new testcases for krsort() function

ext/standard/tests/array/krsort_basic.phpt

@@ -0,0 +1,207 @@
+--TEST--
+Test krsort() function : basic functionality   
+--FILE--
+<?php
+/* Prototype  : bool krsort ( array &$array [, int $sort_flags] )
+ * Description: Sort an array by key in reverse order, maintaining key to data correlation 			
+ * Source code: ext/standard/array.c
+*/
+
+/*
+ * Testing krsort() by providing array of integer/string values to check the basic functionality 
+ * with following flag values :
+ *  1.flag value as defualt
+ *  2.SORT_REGULAR - compare items normally
+ *  3.SORT_NUMERIC - compare items numerically
+ *  4.SORT_STRING - compare items as strings
+*/
+
+echo "*** Testing krsort() : basic functionality ***\n";
+
+// an array containing unsorted string values with indices  
+$unsorted_strings =   array( "lemon" => "l", "orange" => "o", "banana" => "b" ); 
+// an array containing unsorted numeric values with indices 
+$unsorted_numerics =  array( 100 => 4, 33 => 3, 555 => 2, 22 => 1 );
+
+echo "\n-- Testing krsort() by supplying string array, 'flag' value is defualt --\n";
+$temp_array = $unsorted_strings;
+var_dump( krsort($temp_array) ); // expecting : bool(true)
+var_dump( $temp_array);
+
+echo "\n-- Testing krsort() by supplying numeric array, 'flag' value is defualt --\n";
+$temp_array = $unsorted_numerics;
+var_dump( krsort($temp_array) ); // expecting : bool(true)
+var_dump( $temp_array);
+
+echo "\n-- Testing krsort() by supplying string array, 'flag' = SORT_REGULAR --\n";
+$temp_array = $unsorted_strings;
+var_dump( krsort($temp_array, SORT_REGULAR) ); // expecting : bool(true)
+var_dump( $temp_array);
+
+echo "\n-- Testing krsort() by supplying numeric array, 'flag' = SORT_REGULAR --\n";
+$temp_array = $unsorted_numerics;
+var_dump( krsort($temp_array, SORT_REGULAR) ); // expecting : bool(true)
+var_dump( $temp_array);
+
+echo "\n-- Testing krsort() by supplying string array, 'flag' = SORT_STRING --\n";
+$temp_array = $unsorted_strings;
+var_dump( krsort($temp_array, SORT_STRING) ); // expecting : bool(true)
+var_dump( $temp_array);
+
+echo "\n-- Testing krsort() by supplying numeric array, 'flag' = SORT_NUMERIC --\n";
+$temp_array = $unsorted_numerics;
+var_dump( krsort($temp_array, SORT_NUMERIC) ); // expecting : bool(true)
+var_dump( $temp_array);
+
+echo "Done\n";
+?>
+--EXPECTF--
+*** Testing krsort() : basic functionality ***
+
+-- Testing krsort() by supplying string array, 'flag' value is defualt --
+bool(true)
+array(3) {
+  ["orange"]=>
+  string(1) "o"
+  ["lemon"]=>
+  string(1) "l"
+  ["banana"]=>
+  string(1) "b"
+}
+
+-- Testing krsort() by supplying numeric array, 'flag' value is defualt --
+bool(true)
+array(4) {
+  [555]=>
+  int(2)
+  [100]=>
+  int(4)
+  [33]=>
+  int(3)
+  [22]=>
+  int(1)
+}
+
+-- Testing krsort() by supplying string array, 'flag' = SORT_REGULAR --
+bool(true)
+array(3) {
+  ["orange"]=>
+  string(1) "o"
+  ["lemon"]=>
+  string(1) "l"
+  ["banana"]=>
+  string(1) "b"
+}
+
+-- Testing krsort() by supplying numeric array, 'flag' = SORT_REGULAR --
+bool(true)
+array(4) {
+  [555]=>
+  int(2)
+  [100]=>
+  int(4)
+  [33]=>
+  int(3)
+  [22]=>
+  int(1)
+}
+
+-- Testing krsort() by supplying string array, 'flag' = SORT_STRING --
+bool(true)
+array(3) {
+  ["orange"]=>
+  string(1) "o"
+  ["lemon"]=>
+  string(1) "l"
+  ["banana"]=>
+  string(1) "b"
+}
+
+-- Testing krsort() by supplying numeric array, 'flag' = SORT_NUMERIC --
+bool(true)
+array(4) {
+  [555]=>
+  int(2)
+  [100]=>
+  int(4)
+  [33]=>
+  int(3)
+  [22]=>
+  int(1)
+}
+Done
+--UEXPECTF--
+*** Testing krsort() : basic functionality ***
+
+-- Testing krsort() by supplying string array, 'flag' value is defualt --
+bool(true)
+array(3) {
+  [u"orange"]=>
+  unicode(1) "o"
+  [u"lemon"]=>
+  unicode(1) "l"
+  [u"banana"]=>
+  unicode(1) "b"
+}
+
+-- Testing krsort() by supplying numeric array, 'flag' value is defualt --
+bool(true)
+array(4) {
+  [555]=>
+  int(2)
+  [100]=>
+  int(4)
+  [33]=>
+  int(3)
+  [22]=>
+  int(1)
+}
+
+-- Testing krsort() by supplying string array, 'flag' = SORT_REGULAR --
+bool(true)
+array(3) {
+  [u"orange"]=>
+  unicode(1) "o"
+  [u"lemon"]=>
+  unicode(1) "l"
+  [u"banana"]=>
+  unicode(1) "b"
+}
+
+-- Testing krsort() by supplying numeric array, 'flag' = SORT_REGULAR --
+bool(true)
+array(4) {
+  [555]=>
+  int(2)
+  [100]=>
+  int(4)
+  [33]=>
+  int(3)
+  [22]=>
+  int(1)
+}
+
+-- Testing krsort() by supplying string array, 'flag' = SORT_STRING --
+bool(true)
+array(3) {
+  [u"orange"]=>
+  unicode(1) "o"
+  [u"lemon"]=>
+  unicode(1) "l"
+  [u"banana"]=>
+  unicode(1) "b"
+}
+
+-- Testing krsort() by supplying numeric array, 'flag' = SORT_NUMERIC --
+bool(true)
+array(4) {
+  [555]=>
+  int(2)
+  [100]=>
+  int(4)
+  [33]=>
+  int(3)
+  [22]=>
+  int(1)
+}
+Done

ext/standard/tests/array/krsort_error.phpt

@@ -0,0 +1,121 @@
+--TEST--
+Test krsort() function : error conditions 
+--FILE--
+<?php
+/* Prototype  : bool krsort(array &array_arg [, int asort_flags])
+ * Description: Sort an array 
+ * Source code: ext/standard/array.c
+*/
+
+/*
+* Testing krsort() function with all possible error conditions 
+*/
+
+echo "*** Testing krsort() : error conditions ***\n";
+
+// Zero arguments
+echo "\n-- Testing krsort() function with zero arguments --\n";
+var_dump( krsort() );
+
+//Test krsort with more than the expected number of arguments
+echo "\n-- Testing krsort() function with more than expected no. of arguments --\n";
+$array_arg = array(1 => 1, 2 => 2);
+$flags = array("SORT_REGULAR" => SORT_REGULAR, "SORT_STRING" => SORT_STRING, "SORT_NUMERIC" => SORT_NUMERIC);
+$extra_arg = 10;
+
+// loop through $flag_value array and call krsort with all possible sort flag values
+foreach($flags as $key => $flag){
+  echo "\n- Sort flag = $key -\n";
+  $temp_array = $array_arg;
+  var_dump( krsort($temp_array,$flag, $extra_arg) );
+  var_dump($temp_array); 
+}
+
+echo "Done";
+?>
+--EXPECTF--
+*** Testing krsort() : error conditions ***
+
+-- Testing krsort() function with zero arguments --
+
+Warning: krsort() expects at least 1 parameter, 0 given in %s on line %d
+bool(false)
+
+-- Testing krsort() function with more than expected no. of arguments --
+
+- Sort flag = SORT_REGULAR -
+
+Warning: krsort() expects at most 2 parameters, 3 given in %s on line %d
+bool(false)
+array(2) {
+  [1]=>
+  int(1)
+  [2]=>
+  int(2)
+}
+
+- Sort flag = SORT_STRING -
+
+Warning: krsort() expects at most 2 parameters, 3 given in %s on line %d
+bool(false)
+array(2) {
+  [1]=>
+  int(1)
+  [2]=>
+  int(2)
+}
+
+- Sort flag = SORT_NUMERIC -
+
+Warning: krsort() expects at most 2 parameters, 3 given in %s on line %d
+bool(false)
+array(2) {
+  [1]=>
+  int(1)
+  [2]=>
+  int(2)
+}
+Done
+--UEXPECTF--
+*** Testing krsort() : error conditions ***
+
+-- Testing krsort() function with zero arguments --
+
+Warning: krsort() expects at least 1 parameter, 0 given in %s on line %d
+bool(false)
+
+-- Testing krsort() function with more than expected no. of arguments --
+
+- Sort flag = SORT_REGULAR -
+
+Warning: krsort() expects at most 2 parameters, 3 given in %s on line %d
+bool(false)
+array(2) {
+  [1]=>
+  int(1)
+  [2]=>
+  int(2)
+}
+
+- Sort flag = SORT_STRING -
+
+Warning: krsort() expects at most 2 parameters, 3 given in %s on line %d
+bool(false)
+array(2) {
+  [1]=>
+  int(1)
+  [2]=>
+  int(2)
+}
+
+- Sort flag = SORT_NUMERIC -
+
+Warning: krsort() expects at most 2 parameters, 3 given in %s on line %d
+bool(false)
+array(2) {
+  [1]=>
+  int(1)
+  [2]=>
+  int(2)
+}
+Done

ext/standard/tests/array/krsort_object.phpt

@@ -0,0 +1,401 @@
+--TEST--
+Test krsort() function : object functionality - sort objects
+--FILE--
+<?php
+/* Prototype  : bool krsort ( array &$array [, int $sort_flags] )
+ * Description: Sort an array by key in reverse order, maintaining key to data correlation  
+ * Source code: ext/standard/array.c
+*/
+/*
+ * testing krsort() by providing array of integer/string objects with following flag values:
+ *  1.Defualt flag value
+ *  2.SORT_REGULAR - compare items normally
+*/
+
+echo "*** Testing krsort() : object functionality ***\n";
+
+// class declaration for integer objects
+class Integer
+{
+  public $class_value;
+  // initializing object member value
+  function __construct($value){
+    $this->class_value = $value;
+  }
+}
+
+// class declaration for string objects
+class String
+{
+  public $class_value;
+  // initializing object member value
+  function __construct($value){
+    $this->class_value = $value;
+   }
+
+  // return string value
+  function __tostring() {
+   return (string)$this->value;
+  }
+
+}
+
+// array of integer objects with different key values
+$unsorted_int_obj = array ( 
+  10 => new Integer(11), 20 =>  new Integer(66),
+  3 => new Integer(23), 4 => new Integer(-5),
+  50 => new Integer(0.001), 6 => new Integer(0)
+);
+
+// array of string objects with different key values
+$unsorted_str_obj = array ( 
+  "axx" => new String("axx"), "t" => new String("t"),
+  "w" => new String("w"), "py" => new String("py"),
+  "apple" => new String("apple"), "Orange" => new String("Orange"),
+  "Lemon" => new String("Lemon"), "aPPle" => new String("aPPle")
+);
+
+
+echo "\n-- Testing krsort() by supplying various object arrays, 'flag' value is defualt --\n";
+
+// testing krsort() function by supplying integer object array, flag value is defualt
+$temp_array = $unsorted_int_obj;
+var_dump(krsort($temp_array) );
+var_dump($temp_array);
+
+// testing krsort() function by supplying string object array, flag value is defualt
+$temp_array = $unsorted_str_obj;
+var_dump(krsort($temp_array) );
+var_dump($temp_array);
+
+echo "\n-- Testing krsort() by supplying various object arrays, 'flag' value is SORT_REGULAR --\n";
+// testing krsort() function by supplying integer object array, flag value = SORT_REGULAR
+$temp_array = $unsorted_int_obj;
+var_dump(krsort($temp_array, SORT_REGULAR) );
+var_dump($temp_array);
+
+// testing krsort() function by supplying string object array, flag value = SORT_REGULAR
+$temp_array = $unsorted_str_obj;
+var_dump(krsort($temp_array, SORT_REGULAR) );
+var_dump($temp_array);
+
+echo "Done\n";
+?>
+--EXPECTF--
+*** Testing krsort() : object functionality ***
+
+-- Testing krsort() by supplying various object arrays, 'flag' value is defualt --
+bool(true)
+array(6) {
+  [50]=>
+  object(Integer)#%d (1) {
+    ["class_value"]=>
+    float(0.001)
+  }
+  [20]=>
+  object(Integer)#%d (1) {
+    ["class_value"]=>
+    int(66)
+  }
+  [10]=>
+  object(Integer)#%d (1) {
+    ["class_value"]=>
+    int(11)
+  }
+  [6]=>
+  object(Integer)#%d (1) {
+    ["class_value"]=>
+    int(0)
+  }
+  [4]=>
+  object(Integer)#%d (1) {
+    ["class_value"]=>
+    int(-5)
+  }
+  [3]=>
+  object(Integer)#%d (1) {
+    ["class_value"]=>
+    int(23)
+  }
+}
+bool(true)
+array(8) {
+  ["w"]=>
+  object(String)#%d (1) {
+    ["class_value"]=>
+    string(1) "w"
+  }
+  ["t"]=>
+  object(String)#%d (1) {
+    ["class_value"]=>
+    string(1) "t"
+  }
+  ["py"]=>
+  object(String)#%d (1) {
+    ["class_value"]=>
+    string(2) "py"
+  }
+  ["axx"]=>
+  object(String)#%d (1) {
+    ["class_value"]=>
+    string(3) "axx"
+  }
+  ["apple"]=>
+  object(String)#%d (1) {
+    ["class_value"]=>
+    string(5) "apple"
+  }
+  ["aPPle"]=>
+  object(String)#%d (1) {
+    ["class_value"]=>
+    string(5) "aPPle"
+  }
+  ["Orange"]=>
+  object(String)#%d (1) {
+    ["class_value"]=>
+    string(6) "Orange"
+  }
+  ["Lemon"]=>
+  object(String)#%d (1) {
+    ["class_value"]=>
+    string(5) "Lemon"
+  }
+}
+
+-- Testing krsort() by supplying various object arrays, 'flag' value is SORT_REGULAR --
+bool(true)
+array(6) {
+  [50]=>
+  object(Integer)#%d (1) {
+    ["class_value"]=>
+    float(0.001)
+  }
+  [20]=>
+  object(Integer)#%d (1) {
+    ["class_value"]=>
+    int(66)
+  }
+  [10]=>
+  object(Integer)#%d (1) {
+    ["class_value"]=>
+    int(11)
+  }
+  [6]=>
+  object(Integer)#%d (1) {
+    ["class_value"]=>
+    int(0)
+  }
+  [4]=>
+  object(Integer)#%d (1) {
+    ["class_value"]=>
+    int(-5)
+  }
+  [3]=>
+  object(Integer)#%d (1) {
+    ["class_value"]=>
+    int(23)
+  }
+}
+bool(true)
+array(8) {
+  ["w"]=>
+  object(String)#%d (1) {
+    ["class_value"]=>
+    string(1) "w"
+  }
+  ["t"]=>
+  object(String)#%d (1) {
+    ["class_value"]=>
+    string(1) "t"
+  }
+  ["py"]=>
+  object(String)#%d (1) {
+    ["class_value"]=>
+    string(2) "py"
+  }
+  ["axx"]=>
+  object(String)#%d (1) {
+    ["class_value"]=>
+    string(3) "axx"
+  }
+  ["apple"]=>
+  object(String)#%d (1) {
+    ["class_value"]=>
+    string(5) "apple"
+  }
+  ["aPPle"]=>
+  object(String)#%d (1) {
+    ["class_value"]=>
+    string(5) "aPPle"
+  }
+  ["Orange"]=>
+  object(String)#%d (1) {
+    ["class_value"]=>
+    string(6) "Orange"
+  }
+  ["Lemon"]=>
+  object(String)#%d (1) {
+    ["class_value"]=>
+    string(5) "Lemon"
+  }
+}
+Done
+--UEXPECTF--
+*** Testing krsort() : object functionality ***
+
+-- Testing krsort() by supplying various object arrays, 'flag' value is defualt --
+bool(true)
+array(6) {
+  [50]=>
+  object(Integer)#%d (1) {
+    [u"class_value"]=>
+    float(0.001)
+  }
+  [20]=>
+  object(Integer)#%d (1) {
+    [u"class_value"]=>
+    int(66)
+  }
+  [10]=>
+  object(Integer)#%d (1) {
+    [u"class_value"]=>
+    int(11)
+  }
+  [6]=>
+  object(Integer)#%d (1) {
+    [u"class_value"]=>
+    int(0)
+  }
+  [4]=>
+  object(Integer)#%d (1) {
+    [u"class_value"]=>
+    int(-5)
+  }
+  [3]=>
+  object(Integer)#%d (1) {
+    [u"class_value"]=>
+    int(23)
+  }
+}
+bool(true)
+array(8) {
+  [u"w"]=>
+  object(String)#%d (1) {
+    [u"class_value"]=>
+    unicode(1) "w"
+  }
+  [u"t"]=>
+  object(String)#%d (1) {
+    [u"class_value"]=>
+    unicode(1) "t"
+  }
+  [u"py"]=>
+  object(String)#%d (1) {
+    [u"class_value"]=>
+    unicode(2) "py"
+  }
+  [u"axx"]=>
+  object(String)#%d (1) {
+    [u"class_value"]=>
+    unicode(3) "axx"
+  }
+  [u"apple"]=>
+  object(String)#%d (1) {
+    [u"class_value"]=>
+    unicode(5) "apple"
+  }
+  [u"aPPle"]=>
+  object(String)#%d (1) {
+    [u"class_value"]=>
+    unicode(5) "aPPle"
+  }
+  [u"Orange"]=>
+  object(String)#%d (1) {
+    [u"class_value"]=>
+    unicode(6) "Orange"
+  }
+  [u"Lemon"]=>
+  object(String)#%d (1) {
+    [u"class_value"]=>
+    unicode(5) "Lemon"
+  }
+}
+
+-- Testing krsort() by supplying various object arrays, 'flag' value is SORT_REGULAR --
+bool(true)
+array(6) {
+  [50]=>
+  object(Integer)#%d (1) {
+    [u"class_value"]=>
+    float(0.001)
+  }
+  [20]=>
+  object(Integer)#%d (1) {
+    [u"class_value"]=>
+    int(66)
+  }
+  [10]=>
+  object(Integer)#%d (1) {
+    [u"class_value"]=>
+    int(11)
+  }
+  [6]=>
+  object(Integer)#%d (1) {
+    [u"class_value"]=>
+    int(0)
+  }
+  [4]=>
+  object(Integer)#%d (1) {
+    [u"class_value"]=>
+    int(-5)
+  }
+  [3]=>
+  object(Integer)#%d (1) {
+    [u"class_value"]=>
+    int(23)
+  }
+}
+bool(true)
+array(8) {
+  [u"w"]=>
+  object(String)#%d (1) {
+    [u"class_value"]=>
+    unicode(1) "w"
+  }
+  [u"t"]=>
+  object(String)#%d (1) {
+    [u"class_value"]=>
+    unicode(1) "t"
+  }
+  [u"py"]=>
+  object(String)#%d (1) {
+    [u"class_value"]=>
+    unicode(2) "py"
+  }
+  [u"axx"]=>
+  object(String)#%d (1) {
+    [u"class_value"]=>
+    unicode(3) "axx"
+  }
+  [u"apple"]=>
+  object(String)#%d (1) {
+    [u"class_value"]=>
+    unicode(5) "apple"
+  }
+  [u"aPPle"]=>
+  object(String)#%d (1) {
+    [u"class_value"]=>
+    unicode(5) "aPPle"
+  }
+  [u"Orange"]=>
+  object(String)#%d (1) {
+    [u"class_value"]=>
+    unicode(6) "Orange"
+  }
+  [u"Lemon"]=>
+  object(String)#%d (1) {
+    [u"class_value"]=>
+    unicode(5) "Lemon"
+  }
+}
+Done

ext/standard/tests/array/krsort_variation1.phpt

@@ -0,0 +1,703 @@
+--TEST--
+Test krsort() function : usage variations - unexpected values for 'array' argument
+--FILE--
+<?php
+/* Prototype  : bool krsort(array &array_arg [, int sort_flags])
+ * Description: Sort an array by key in reverse order, maintaining key to data correlation
+ * Source code: ext/standard/array.c
+*/
+
+/*
+ * testing krsort() by providing different unexpected values for array argument
+ * with following flag values:
+ *  1.flag value as defualt
+ *  2.SORT_REGULAR - compare items normally
+ *  3.SORT_NUMERIC - compare items numerically
+ *  4.SORT_STRING - compare items as strings
+*/
+
+echo "*** Testing krsort() : usage variations ***\n";
+
+// get an unset variable
+$unset_var = 10;
+unset ($unset_var);
+
+// resource variable
+$fp = fopen(__FILE__, "r");
+
+$unexpected_values = array (
+
+        // int data
+/*1*/   0,
+        1,
+        12345,
+        -2345,
+
+        // float data
+/*5*/   10.5,
+        -10.5,
+        10.5e3,
+        10.6E-2,
+        0.5,
+
+        // null data
+/*10*/  NULL,
+        null,
+
+        // boolean data
+/*11*/  true,
+        false,
+        TRUE,
+        FALSE,
+
+        // empty data
+/*15*/  "",
+        '',
+
+        // string data
+/*17*/  "string",
+        'string',
+
+        // object data
+/*19*/  new stdclass(),
+
+        // undefined data
+/*20*/  @undefined_var,
+
+        // unset data
+/*21*/  @unset_var,
+
+        // resource variable
+/*22*/  $fp
+);
+
+// loop though each element of the array and check the working of krsort()
+// when $array arugment is supplied with different values from $unexpected_values
+echo "\n-- Testing krsort() by supplying different unexpected values for 'array' argument --\n";
+echo "\n-- Flag values are defualt, SORT_REGULAR, SORT_NUMERIC, SORT_STRING --\n"; 
+
+$counter = 1;
+for($index = 0; $index < count($unexpected_values); $index ++) {
+  echo "-- Iteration $counter --\n";
+  $value = $unexpected_values [$index];
+  var_dump( krsort($value) ); // expecting : bool(false)
+  var_dump( krsort($value, SORT_REGULAR) ); // expecting : bool(false)
+  var_dump( krsort($value, SORT_NUMERIC) ); // expecting : bool(false)
+  var_dump( krsort($value, SORT_STRING) ); // expecting : bool(false)
+  $counter++;
+}
+
+echo "Done";
+?>
+--EXPECTF--
+*** Testing krsort() : usage variations ***
+
+-- Testing krsort() by supplying different unexpected values for 'array' argument --
+
+-- Flag values are defualt, SORT_REGULAR, SORT_NUMERIC, SORT_STRING --
+-- Iteration 1 --
+
+Warning: krsort() expects parameter 1 to be array, integer given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, integer given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, integer given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, integer given in %s on line %d
+bool(false)
+-- Iteration 2 --
+
+Warning: krsort() expects parameter 1 to be array, integer given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, integer given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, integer given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, integer given in %s on line %d
+bool(false)
+-- Iteration 3 --
+
+Warning: krsort() expects parameter 1 to be array, integer given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, integer given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, integer given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, integer given in %s on line %d
+bool(false)
+-- Iteration 4 --
+
+Warning: krsort() expects parameter 1 to be array, integer given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, integer given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, integer given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, integer given in %s on line %d
+bool(false)
+-- Iteration 5 --
+
+Warning: krsort() expects parameter 1 to be array, double given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, double given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, double given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, double given in %s on line %d
+bool(false)
+-- Iteration 6 --
+
+Warning: krsort() expects parameter 1 to be array, double given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, double given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, double given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, double given in %s on line %d
+bool(false)
+-- Iteration 7 --
+
+Warning: krsort() expects parameter 1 to be array, double given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, double given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, double given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, double given in %s on line %d
+bool(false)
+-- Iteration 8 --
+
+Warning: krsort() expects parameter 1 to be array, double given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, double given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, double given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, double given in %s on line %d
+bool(false)
+-- Iteration 9 --
+
+Warning: krsort() expects parameter 1 to be array, double given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, double given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, double given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, double given in %s on line %d
+bool(false)
+-- Iteration 10 --
+
+Warning: krsort() expects parameter 1 to be array, null given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, null given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, null given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, null given in %s on line %d
+bool(false)
+-- Iteration 11 --
+
+Warning: krsort() expects parameter 1 to be array, null given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, null given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, null given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, null given in %s on line %d
+bool(false)
+-- Iteration 12 --
+
+Warning: krsort() expects parameter 1 to be array, boolean given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, boolean given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, boolean given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, boolean given in %s on line %d
+bool(false)
+-- Iteration 13 --
+
+Warning: krsort() expects parameter 1 to be array, boolean given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, boolean given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, boolean given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, boolean given in %s on line %d
+bool(false)
+-- Iteration 14 --
+
+Warning: krsort() expects parameter 1 to be array, boolean given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, boolean given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, boolean given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, boolean given in %s on line %d
+bool(false)
+-- Iteration 15 --
+
+Warning: krsort() expects parameter 1 to be array, boolean given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, boolean given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, boolean given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, boolean given in %s on line %d
+bool(false)
+-- Iteration 16 --
+
+Warning: krsort() expects parameter 1 to be array, string given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, string given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, string given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, string given in %s on line %d
+bool(false)
+-- Iteration 17 --
+
+Warning: krsort() expects parameter 1 to be array, string given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, string given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, string given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, string given in %s on line %d
+bool(false)
+-- Iteration 18 --
+
+Warning: krsort() expects parameter 1 to be array, string given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, string given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, string given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, string given in %s on line %d
+bool(false)
+-- Iteration 19 --
+
+Warning: krsort() expects parameter 1 to be array, string given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, string given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, string given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, string given in %s on line %d
+bool(false)
+-- Iteration 20 --
+
+Warning: krsort() expects parameter 1 to be array, object given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, object given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, object given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, object given in %s on line %d
+bool(false)
+-- Iteration 21 --
+
+Warning: krsort() expects parameter 1 to be array, string given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, string given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, string given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, string given in %s on line %d
+bool(false)
+-- Iteration 22 --
+
+Warning: krsort() expects parameter 1 to be array, string given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, string given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, string given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, string given in %s on line %d
+bool(false)
+-- Iteration 23 --
+
+Warning: krsort() expects parameter 1 to be array, resource given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, resource given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, resource given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, resource given in %s on line %d
+bool(false)
+Done
+--UEXPECTF--
+*** Testing krsort() : usage variations ***
+
+-- Testing krsort() by supplying different unexpected values for 'array' argument --
+
+-- Flag values are defualt, SORT_REGULAR, SORT_NUMERIC, SORT_STRING --
+-- Iteration 1 --
+
+Warning: krsort() expects parameter 1 to be array, integer given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, integer given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, integer given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, integer given in %s on line %d
+bool(false)
+-- Iteration 2 --
+
+Warning: krsort() expects parameter 1 to be array, integer given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, integer given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, integer given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, integer given in %s on line %d
+bool(false)
+-- Iteration 3 --
+
+Warning: krsort() expects parameter 1 to be array, integer given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, integer given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, integer given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, integer given in %s on line %d
+bool(false)
+-- Iteration 4 --
+
+Warning: krsort() expects parameter 1 to be array, integer given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, integer given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, integer given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, integer given in %s on line %d
+bool(false)
+-- Iteration 5 --
+
+Warning: krsort() expects parameter 1 to be array, double given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, double given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, double given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, double given in %s on line %d
+bool(false)
+-- Iteration 6 --
+
+Warning: krsort() expects parameter 1 to be array, double given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, double given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, double given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, double given in %s on line %d
+bool(false)
+-- Iteration 7 --
+
+Warning: krsort() expects parameter 1 to be array, double given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, double given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, double given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, double given in %s on line %d
+bool(false)
+-- Iteration 8 --
+
+Warning: krsort() expects parameter 1 to be array, double given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, double given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, double given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, double given in %s on line %d
+bool(false)
+-- Iteration 9 --
+
+Warning: krsort() expects parameter 1 to be array, double given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, double given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, double given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, double given in %s on line %d
+bool(false)
+-- Iteration 10 --
+
+Warning: krsort() expects parameter 1 to be array, null given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, null given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, null given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, null given in %s on line %d
+bool(false)
+-- Iteration 11 --
+
+Warning: krsort() expects parameter 1 to be array, null given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, null given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, null given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, null given in %s on line %d
+bool(false)
+-- Iteration 12 --
+
+Warning: krsort() expects parameter 1 to be array, boolean given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, boolean given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, boolean given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, boolean given in %s on line %d
+bool(false)
+-- Iteration 13 --
+
+Warning: krsort() expects parameter 1 to be array, boolean given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, boolean given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, boolean given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, boolean given in %s on line %d
+bool(false)
+-- Iteration 14 --
+
+Warning: krsort() expects parameter 1 to be array, boolean given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, boolean given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, boolean given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, boolean given in %s on line %d
+bool(false)
+-- Iteration 15 --
+
+Warning: krsort() expects parameter 1 to be array, boolean given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, boolean given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, boolean given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, boolean given in %s on line %d
+bool(false)
+-- Iteration 16 --
+
+Warning: krsort() expects parameter 1 to be array, Unicode string given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, Unicode string given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, Unicode string given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, Unicode string given in %s on line %d
+bool(false)
+-- Iteration 17 --
+
+Warning: krsort() expects parameter 1 to be array, Unicode string given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, Unicode string given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, Unicode string given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, Unicode string given in %s on line %d
+bool(false)
+-- Iteration 18 --
+
+Warning: krsort() expects parameter 1 to be array, Unicode string given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, Unicode string given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, Unicode string given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, Unicode string given in %s on line %d
+bool(false)
+-- Iteration 19 --
+
+Warning: krsort() expects parameter 1 to be array, Unicode string given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, Unicode string given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, Unicode string given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, Unicode string given in %s on line %d
+bool(false)
+-- Iteration 20 --
+
+Warning: krsort() expects parameter 1 to be array, object given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, object given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, object given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, object given in %s on line %d
+bool(false)
+-- Iteration 21 --
+
+Warning: krsort() expects parameter 1 to be array, Unicode string given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, Unicode string given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, Unicode string given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, Unicode string given in %s on line %d
+bool(false)
+-- Iteration 22 --
+
+Warning: krsort() expects parameter 1 to be array, Unicode string given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, Unicode string given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, Unicode string given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, Unicode string given in %s on line %d
+bool(false)
+-- Iteration 23 --
+
+Warning: krsort() expects parameter 1 to be array, resource given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, resource given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, resource given in %s on line %d
+bool(false)
+
+Warning: krsort() expects parameter 1 to be array, resource given in %s on line %d
+bool(false)
+Done

ext/standard/tests/array/krsort_variation10.phpt

@@ -0,0 +1,140 @@
+--TEST--
+Test krsort() function : usage variations - sort heredoc strings  
+--FILE--
+<?php
+/* Prototype  : bool krsort ( array &$array [, int $sort_flags] )
+ * Description: Sort an array by key in reverse order, maintaining key to data correlation
+ * Source code: ext/standard/array.c
+*/
+
+/*
+ * testing krsort() by providing array of heredoc strings for $array argument with
+ * following flag values:
+ *  1.flag value as defualt
+ *  2.SORT_REGULAR - compare items normally
+ *  3.SORT_STRING  - compare items as strings
+*/
+
+echo "*** Testing krsort() : usage variations ***\n";
+
+// Different heredoc strings to be sorted
+$simple_heredoc1 =<<<EOT
+Heredoc
+EOT;
+
+$simple_heredoc2 =<<<EOT
+HEREDOC
+EOT;
+
+$multiline_heredoc =<<<EOT
+heredoc string\twith!@# and 123
+Test this!!!
+EOT;
+
+$array = array (
+  $simple_heredoc1 => "Heredoc", 
+  $simple_heredoc2 => "HEREDOC",
+  $multiline_heredoc => "heredoc string\twith!@# and 123\nTest this!!!"
+);
+
+echo "\n-- Testing krsort() by supplying heredoc string array, 'flag' value is defualt --\n";
+$temp_array = $array;
+var_dump(krsort($temp_array) ); // expecting : bool(true)
+var_dump($temp_array);
+
+echo "\n-- Testing krsort() by supplying heredoc string array, 'flag' = SORT_REGULAR --\n";
+$temp_array = $array;
+var_dump(krsort($temp_array, SORT_REGULAR) ); // expecting : bool(true)
+var_dump($temp_array);
+
+echo "\n-- Testing krsort() by supplying heredoc string array, 'flag' = SORT_STRING --\n";
+$temp_array = $array;
+var_dump(krsort($temp_array, SORT_STRING) ); // expecting : bool(true)
+var_dump($temp_array);
+
+echo "Done\n";
+?>
+--EXPECTF--
+*** Testing krsort() : usage variations ***
+
+-- Testing krsort() by supplying heredoc string array, 'flag' value is defualt --
+bool(true)
+array(3) {
+  ["heredoc string	with!@# and 123
+Test this!!!"]=>
+  string(43) "heredoc string	with!@# and 123
+Test this!!!"
+  ["Heredoc"]=>
+  string(7) "Heredoc"
+  ["HEREDOC"]=>
+  string(7) "HEREDOC"
+}
+
+-- Testing krsort() by supplying heredoc string array, 'flag' = SORT_REGULAR --
+bool(true)
+array(3) {
+  ["heredoc string	with!@# and 123
+Test this!!!"]=>
+  string(43) "heredoc string	with!@# and 123
+Test this!!!"
+  ["Heredoc"]=>
+  string(7) "Heredoc"
+  ["HEREDOC"]=>
+  string(7) "HEREDOC"
+}
+
+-- Testing krsort() by supplying heredoc string array, 'flag' = SORT_STRING --
+bool(true)
+array(3) {
+  ["heredoc string	with!@# and 123
+Test this!!!"]=>
+  string(43) "heredoc string	with!@# and 123
+Test this!!!"
+  ["Heredoc"]=>
+  string(7) "Heredoc"
+  ["HEREDOC"]=>
+  string(7) "HEREDOC"
+}
+Done
+--UEXPECTF--
+*** Testing krsort() : usage variations ***
+
+-- Testing krsort() by supplying heredoc string array, 'flag' value is defualt --
+bool(true)
+array(3) {
+  [u"heredoc string	with!@# and 123
+Test this!!!"]=>
+  unicode(43) "heredoc string	with!@# and 123
+Test this!!!"
+  [u"Heredoc"]=>
+  unicode(7) "Heredoc"
+  [u"HEREDOC"]=>
+  unicode(7) "HEREDOC"
+}
+
+-- Testing krsort() by supplying heredoc string array, 'flag' = SORT_REGULAR --
+bool(true)
+array(3) {
+  [u"heredoc string	with!@# and 123
+Test this!!!"]=>
+  unicode(43) "heredoc string	with!@# and 123
+Test this!!!"
+  [u"Heredoc"]=>
+  unicode(7) "Heredoc"
+  [u"HEREDOC"]=>
+  unicode(7) "HEREDOC"
+}
+
+-- Testing krsort() by supplying heredoc string array, 'flag' = SORT_STRING --
+bool(true)
+array(3) {
+  [u"heredoc string	with!@# and 123
+Test this!!!"]=>
+  unicode(43) "heredoc string	with!@# and 123
+Test this!!!"
+  [u"Heredoc"]=>
+  unicode(7) "Heredoc"
+  [u"HEREDOC"]=>
+  unicode(7) "HEREDOC"
+}
+Done

ext/standard/tests/array/krsort_variation11.phpt

@@ -0,0 +1,120 @@
+--TEST--
+Test krsort() function : usage variations - sort bool values
+--FILE--
+<?php
+/* Prototype  : bool krsort ( array &$array [, int $sort_flags] )
+ * Description: Sort an array by key in reverse order, maintaining key to data correlation
+ * Source code: ext/standard/array.c
+*/
+
+/*
+ * testing krsort() by providing array of boolean values for $array argument with following flag values:
+ *  1.flag value as defualt
+ *  2.SORT_REGULAR - compare items normally
+*/
+
+echo "*** Testing krsort() : usage variations ***\n";
+
+// bool value array
+$bool_values = array (true => true, false => false, TRUE => TRUE, FALSE => FALSE);
+
+echo "\n-- Testing krsort() by supplying boolean value array, 'flag' value is defualt --\n";
+$temp_array = $bool_values;
+var_dump(krsort($temp_array) );
+var_dump($temp_array);
+
+echo "\n-- Testing krsort() by supplying boolean value array, 'flag' value is SORT_REGULAR --\n";
+$temp_array = $bool_values;
+var_dump(krsort($temp_array, SORT_REGULAR) );
+var_dump($temp_array);
+
+echo "\n-- Testing krsort() by supplying boolean value array, 'flag' value is SORT_NUMERIC  --\n";
+$temp_array = $bool_values;
+var_dump(krsort($temp_array, SORT_NUMERIC) );
+var_dump($temp_array);
+
+echo "\n-- Testing krsort() by supplying boolean value array, 'flag' value is SORT_STRING --\n";
+$temp_array = $bool_values;
+var_dump(krsort($temp_array, SORT_STRING) );
+var_dump($temp_array);
+
+echo "Done\n";
+?>
+--EXPECTF--
+*** Testing krsort() : usage variations ***
+
+-- Testing krsort() by supplying boolean value array, 'flag' value is defualt --
+bool(true)
+array(2) {
+  [1]=>
+  bool(true)
+  [0]=>
+  bool(false)
+}
+
+-- Testing krsort() by supplying boolean value array, 'flag' value is SORT_REGULAR --
+bool(true)
+array(2) {
+  [1]=>
+  bool(true)
+  [0]=>
+  bool(false)
+}
+
+-- Testing krsort() by supplying boolean value array, 'flag' value is SORT_NUMERIC  --
+bool(true)
+array(2) {
+  [1]=>
+  bool(true)
+  [0]=>
+  bool(false)
+}
+
+-- Testing krsort() by supplying boolean value array, 'flag' value is SORT_STRING --
+bool(true)
+array(2) {
+  [1]=>
+  bool(true)
+  [0]=>
+  bool(false)
+}
+Done
+--UEXPECTF--
+*** Testing krsort() : usage variations ***
+
+-- Testing krsort() by supplying boolean value array, 'flag' value is defualt --
+bool(true)
+array(2) {
+  [1]=>
+  bool(true)
+  [0]=>
+  bool(false)
+}
+
+-- Testing krsort() by supplying boolean value array, 'flag' value is SORT_REGULAR --
+bool(true)
+array(2) {
+  [1]=>
+  bool(true)
+  [0]=>
+  bool(false)
+}
+
+-- Testing krsort() by supplying boolean value array, 'flag' value is SORT_NUMERIC  --
+bool(true)
+array(2) {
+  [1]=>
+  bool(true)
+  [0]=>
+  bool(false)
+}
+
+-- Testing krsort() by supplying boolean value array, 'flag' value is SORT_STRING --
+bool(true)
+array(2) {
+  [1]=>
+  bool(true)
+  [0]=>
+  bool(false)
+}
+Done

ext/standard/tests/array/krsort_variation2.phpt

@@ -0,0 +1,528 @@
+--TEST--
+Test krsort() function : usage variations - unexpected values for 'sort_flags' argument
+--FILE--
+<?php
+/* Prototype  : bool krsort(array &array_arg [, int sort_flags])
+ * Description: Sort an array by key in reverse order, maintaining key to data correlation 
+ * Source code: ext/standard/array.c
+*/
+
+/*
+ * Testing krsort() by providing different unexpected values for flag argument
+*/
+
+echo "*** Testing krsort() : usage variations ***\n";
+
+//get an unset variable
+$unset_var = 10;
+unset ($unset_var);
+
+// resource variable
+$fp = fopen(__FILE__, "r");
+
+// an array for checking unexpected behavior
+$unsorted_values = array(10 => 10, 2 => 2, 45 => 45);
+
+//array of unexpected values to iterate over
+$unexpected_values = array (
+
+       // int data
+/*1*/  -2345,
+
+       // float data
+/*2*/  10.5,
+       -10.5,
+       10.5e2,
+       10.6E-2,
+       .5,
+
+       // null data
+/*7*/  NULL,
+       null,
+
+       // boolean data
+/*9*/  true,
+       false,
+       TRUE,
+       FALSE,
+
+       // empty data
+/*13*/ "",
+       '',
+
+       // string data
+/*15*/ "string",
+       'string',
+
+       // object data
+/*16*/ new stdclass(),
+
+       // undefined data
+/*17*/ @undefined_var,
+
+       // unset data
+/*18*/ @unset_var,
+
+       // resource variable
+/*19*/ $fp
+
+);
+
+// loop though each element of the array and check the working of krsort()
+// when 'sort_flags' arugment is supplied with different values
+echo "\n-- Testing krsort() by supplying different unexpected values for 'sort_flags' argument --\n";
+
+$counter = 1;
+for($index = 0; $index < count($unexpected_values); $index ++) {
+  echo "-- Iteration $counter --\n";
+  $value = $unexpected_values [$index];
+  $temp_array = $unsorted_values;
+  var_dump( krsort($temp_array, $value) ); 
+  var_dump($temp_array);
+  $counter++;
+}
+
+echo "Done";
+?>
+--EXPECTF--
+*** Testing krsort() : usage variations ***
+
+-- Testing krsort() by supplying different unexpected values for 'sort_flags' argument --
+-- Iteration 1 --
+bool(true)
+array(3) {
+  [45]=>
+  int(45)
+  [10]=>
+  int(10)
+  [2]=>
+  int(2)
+}
+-- Iteration 2 --
+bool(true)
+array(3) {
+  [45]=>
+  int(45)
+  [10]=>
+  int(10)
+  [2]=>
+  int(2)
+}
+-- Iteration 3 --
+bool(true)
+array(3) {
+  [45]=>
+  int(45)
+  [10]=>
+  int(10)
+  [2]=>
+  int(2)
+}
+-- Iteration 4 --
+bool(true)
+array(3) {
+  [45]=>
+  int(45)
+  [10]=>
+  int(10)
+  [2]=>
+  int(2)
+}
+-- Iteration 5 --
+bool(true)
+array(3) {
+  [45]=>
+  int(45)
+  [10]=>
+  int(10)
+  [2]=>
+  int(2)
+}
+-- Iteration 6 --
+bool(true)
+array(3) {
+  [45]=>
+  int(45)
+  [10]=>
+  int(10)
+  [2]=>
+  int(2)
+}
+-- Iteration 7 --
+bool(true)
+array(3) {
+  [45]=>
+  int(45)
+  [10]=>
+  int(10)
+  [2]=>
+  int(2)
+}
+-- Iteration 8 --
+bool(true)
+array(3) {
+  [45]=>
+  int(45)
+  [10]=>
+  int(10)
+  [2]=>
+  int(2)
+}
+-- Iteration 9 --
+bool(true)
+array(3) {
+  [45]=>
+  int(45)
+  [10]=>
+  int(10)
+  [2]=>
+  int(2)
+}
+-- Iteration 10 --
+bool(true)
+array(3) {
+  [45]=>
+  int(45)
+  [10]=>
+  int(10)
+  [2]=>
+  int(2)
+}
+-- Iteration 11 --
+bool(true)
+array(3) {
+  [45]=>
+  int(45)
+  [10]=>
+  int(10)
+  [2]=>
+  int(2)
+}
+-- Iteration 12 --
+bool(true)
+array(3) {
+  [45]=>
+  int(45)
+  [10]=>
+  int(10)
+  [2]=>
+  int(2)
+}
+-- Iteration 13 --
+
+Warning: krsort() expects parameter 2 to be long, string given in %s on line %d%d
+bool(false)
+array(3) {
+  [10]=>
+  int(10)
+  [2]=>
+  int(2)
+  [45]=>
+  int(45)
+}
+-- Iteration 14 --
+
+Warning: krsort() expects parameter 2 to be long, string given in %s on line %d%d
+bool(false)
+array(3) {
+  [10]=>
+  int(10)
+  [2]=>
+  int(2)
+  [45]=>
+  int(45)
+}
+-- Iteration 15 --
+
+Warning: krsort() expects parameter 2 to be long, string given in %s on line %d%d
+bool(false)
+array(3) {
+  [10]=>
+  int(10)
+  [2]=>
+  int(2)
+  [45]=>
+  int(45)
+}
+-- Iteration 16 --
+
+Warning: krsort() expects parameter 2 to be long, string given in %s on line %d%d
+bool(false)
+array(3) {
+  [10]=>
+  int(10)
+  [2]=>
+  int(2)
+  [45]=>
+  int(45)
+}
+-- Iteration 17 --
+
+Warning: krsort() expects parameter 2 to be long, object given in %s on line %d%d
+bool(false)
+array(3) {
+  [10]=>
+  int(10)
+  [2]=>
+  int(2)
+  [45]=>
+  int(45)
+}
+-- Iteration 18 --
+
+Warning: krsort() expects parameter 2 to be long, string given in %s on line %d%d
+bool(false)
+array(3) {
+  [10]=>
+  int(10)
+  [2]=>
+  int(2)
+  [45]=>
+  int(45)
+}
+-- Iteration 19 --
+
+Warning: krsort() expects parameter 2 to be long, string given in %s on line %d%d
+bool(false)
+array(3) {
+  [10]=>
+  int(10)
+  [2]=>
+  int(2)
+  [45]=>
+  int(45)
+}
+-- Iteration 20 --
+
+Warning: krsort() expects parameter 2 to be long, resource given in %s on line %d%d
+bool(false)
+array(3) {
+  [10]=>
+  int(10)
+  [2]=>
+  int(2)
+  [45]=>
+  int(45)
+}
+Done
+--UEXPECTF--
+*** Testing krsort() : usage variations ***
+
+-- Testing krsort() by supplying different unexpected values for 'sort_flags' argument --
+-- Iteration 1 --
+bool(true)
+array(3) {
+  [45]=>
+  int(45)
+  [10]=>
+  int(10)
+  [2]=>
+  int(2)
+}
+-- Iteration 2 --
+bool(true)
+array(3) {
+  [45]=>
+  int(45)
+  [10]=>
+  int(10)
+  [2]=>
+  int(2)
+}
+-- Iteration 3 --
+bool(true)
+array(3) {
+  [45]=>
+  int(45)
+  [10]=>
+  int(10)
+  [2]=>
+  int(2)
+}
+-- Iteration 4 --
+bool(true)
+array(3) {
+  [45]=>
+  int(45)
+  [10]=>
+  int(10)
+  [2]=>
+  int(2)
+}
+-- Iteration 5 --
+bool(true)
+array(3) {
+  [45]=>
+  int(45)
+  [10]=>
+  int(10)
+  [2]=>
+  int(2)
+}
+-- Iteration 6 --
+bool(true)
+array(3) {
+  [45]=>
+  int(45)
+  [10]=>
+  int(10)
+  [2]=>
+  int(2)
+}
+-- Iteration 7 --
+bool(true)
+array(3) {
+  [45]=>
+  int(45)
+  [10]=>
+  int(10)
+  [2]=>
+  int(2)
+}
+-- Iteration 8 --
+bool(true)
+array(3) {
+  [45]=>
+  int(45)
+  [10]=>
+  int(10)
+  [2]=>
+  int(2)
+}
+-- Iteration 9 --
+bool(true)
+array(3) {
+  [45]=>
+  int(45)
+  [10]=>
+  int(10)
+  [2]=>
+  int(2)
+}
+-- Iteration 10 --
+bool(true)
+array(3) {
+  [45]=>
+  int(45)
+  [10]=>
+  int(10)
+  [2]=>
+  int(2)
+}
+-- Iteration 11 --
+bool(true)
+array(3) {
+  [45]=>
+  int(45)
+  [10]=>
+  int(10)
+  [2]=>
+  int(2)
+}
+-- Iteration 12 --
+bool(true)
+array(3) {
+  [45]=>
+  int(45)
+  [10]=>
+  int(10)
+  [2]=>
+  int(2)
+}
+-- Iteration 13 --
+
+Warning: krsort() expects parameter 2 to be long, Unicode string given in %s on line %d
+bool(false)
+array(3) {
+  [10]=>
+  int(10)
+  [2]=>
+  int(2)
+  [45]=>
+  int(45)
+}
+-- Iteration 14 --
+
+Warning: krsort() expects parameter 2 to be long, Unicode string given in %s on line %d
+bool(false)
+array(3) {
+  [10]=>
+  int(10)
+  [2]=>
+  int(2)
+  [45]=>
+  int(45)
+}
+-- Iteration 15 --
+
+Warning: krsort() expects parameter 2 to be long, Unicode string given in %s on line %d
+bool(false)
+array(3) {
+  [10]=>
+  int(10)
+  [2]=>
+  int(2)
+  [45]=>
+  int(45)
+}
+-- Iteration 16 --
+
+Warning: krsort() expects parameter 2 to be long, Unicode string given in %s on line %d
+bool(false)
+array(3) {
+  [10]=>
+  int(10)
+  [2]=>
+  int(2)
+  [45]=>
+  int(45)
+}
+-- Iteration 17 --
+
+Warning: krsort() expects parameter 2 to be long, object given in %s on line %d
+bool(false)
+array(3) {
+  [10]=>
+  int(10)
+  [2]=>
+  int(2)
+  [45]=>
+  int(45)
+}
+-- Iteration 18 --
+
+Warning: krsort() expects parameter 2 to be long, Unicode string given in %s on line %d
+bool(false)
+array(3) {
+  [10]=>
+  int(10)
+  [2]=>
+  int(2)
+  [45]=>
+  int(45)
+}
+-- Iteration 19 --
+
+Warning: krsort() expects parameter 2 to be long, Unicode string given in %s on line %d
+bool(false)
+array(3) {
+  [10]=>
+  int(10)
+  [2]=>
+  int(2)
+  [45]=>
+  int(45)
+}
+-- Iteration 20 --
+
+Warning: krsort() expects parameter 2 to be long, resource given in %s on line %d
+bool(false)
+array(3) {
+  [10]=>
+  int(10)
+  [2]=>
+  int(2)
+  [45]=>
+  int(45)
+}
+Done

ext/standard/tests/array/krsort_variation3.phpt

@@ -0,0 +1,544 @@
+--TEST--
+Test krsort() function : usage variations - sort integer/float values 
+--FILE--
+<?php
+/* Prototype  : bool krsort ( array &$array [, int $sort_flags] )
+ * Description: Sort an array by key in reverse order, maintaining key to data correlation 
+ * Source code: ext/standard/array.c
+*/
+
+/*
+ * Testing krsort() by providing array of integer/float/mixed values for $array argument
+ * with following flag values:
+ *  1.flag value as defualt
+ *  2.SORT_REGULAR - compare items normally
+ *  3.SORT_NUMERIC - compare items numerically
+*/
+
+echo "*** Testing krsort() : usage variations ***\n";
+
+// diff. associative arrays to sort
+$various_arrays = array(
+  // negative/posative integer key value array
+  array(1 => 11, -2 => -11, 3 => 21, -4 => -21, 5 => 31, -6 => -31, 7 => 0, 8 => 41, -10 =>-41),
+
+  // float key values
+  array(1.0 => 10.5, 0.2 => -10.5, 3.1 => 10.5e2, 4 => 10.6E-2, .5 => .5, 6 => .0001, -7 => -.1), 
+
+  // mixed value array with different types of keys
+  array(1 => .0001, 2 => .0021, -3 => -.01, 4 => -1, 5 => 0, 6 => .09, 7 => 2, -8 => -.9, 9 => 10.6E-2,
+        -10 => -10.6E-2, 11 => 33),
+ 
+  // array keys contains minimum and maximum ranges
+  array( 2147483647 => 1 , 2147483648 => 2, -2147483647 => 3, -2147483648 => 4, -0 => 5) 
+);
+
+// set of possible flag values
+$flags = array("SORT_REGULAR" => SORT_REGULAR, "SORT_NUMERIC" => SORT_NUMERIC);
+
+$count = 1;
+echo "\n-- Testing krsort() by supplying various integer/float arrays --\n";
+
+// loop through to test krsort() with different arrays
+foreach ($various_arrays as $array) {
+  echo "\n-- Iteration $count --\n";
+
+  echo "- With defualt sort flag -\n"; 
+  $temp_array = $array; 
+  var_dump(krsort($temp_array) );
+  var_dump($temp_array);
+
+  // loop through $flags array and call krsort() with all possible sort flag values
+  foreach($flags as $key => $flag){
+    echo "- Sort flag = $key -\n";
+    $temp_array = $array; 
+    var_dump(krsort($temp_array, $flag) );
+    var_dump($temp_array);
+  }  
+  $count++;
+} 
+
+echo "Done\n";
+?>
+--EXPECTF--
+*** Testing krsort() : usage variations ***
+
+-- Testing krsort() by supplying various integer/float arrays --
+
+-- Iteration 1 --
+- With defualt sort flag -
+bool(true)
+array(9) {
+  [8]=>
+  int(41)
+  [7]=>
+  int(0)
+  [5]=>
+  int(31)
+  [3]=>
+  int(21)
+  [1]=>
+  int(11)
+  [-2]=>
+  int(-11)
+  [-4]=>
+  int(-21)
+  [-6]=>
+  int(-31)
+  [-10]=>
+  int(-41)
+}
+- Sort flag = SORT_REGULAR -
+bool(true)
+array(9) {
+  [8]=>
+  int(41)
+  [7]=>
+  int(0)
+  [5]=>
+  int(31)
+  [3]=>
+  int(21)
+  [1]=>
+  int(11)
+  [-2]=>
+  int(-11)
+  [-4]=>
+  int(-21)
+  [-6]=>
+  int(-31)
+  [-10]=>
+  int(-41)
+}
+- Sort flag = SORT_NUMERIC -
+bool(true)
+array(9) {
+  [8]=>
+  int(41)
+  [7]=>
+  int(0)
+  [5]=>
+  int(31)
+  [3]=>
+  int(21)
+  [1]=>
+  int(11)
+  [-2]=>
+  int(-11)
+  [-4]=>
+  int(-21)
+  [-6]=>
+  int(-31)
+  [-10]=>
+  int(-41)
+}
+
+-- Iteration 2 --
+- With defualt sort flag -
+bool(true)
+array(6) {
+  [6]=>
+  float(0.0001)
+  [4]=>
+  float(0.106)
+  [3]=>
+  float(1050)
+  [1]=>
+  float(10.5)
+  [0]=>
+  float(0.5)
+  [-7]=>
+  float(-0.1)
+}
+- Sort flag = SORT_REGULAR -
+bool(true)
+array(6) {
+  [6]=>
+  float(0.0001)
+  [4]=>
+  float(0.106)
+  [3]=>
+  float(1050)
+  [1]=>
+  float(10.5)
+  [0]=>
+  float(0.5)
+  [-7]=>
+  float(-0.1)
+}
+- Sort flag = SORT_NUMERIC -
+bool(true)
+array(6) {
+  [6]=>
+  float(0.0001)
+  [4]=>
+  float(0.106)
+  [3]=>
+  float(1050)
+  [1]=>
+  float(10.5)
+  [0]=>
+  float(0.5)
+  [-7]=>
+  float(-0.1)
+}
+
+-- Iteration 3 --
+- With defualt sort flag -
+bool(true)
+array(11) {
+  [11]=>
+  int(33)
+  [9]=>
+  float(0.106)
+  [7]=>
+  int(2)
+  [6]=>
+  float(0.09)
+  [5]=>
+  int(0)
+  [4]=>
+  int(-1)
+  [2]=>
+  float(0.0021)
+  [1]=>
+  float(0.0001)
+  [-3]=>
+  float(-0.01)
+  [-8]=>
+  float(-0.9)
+  [-10]=>
+  float(-0.106)
+}
+- Sort flag = SORT_REGULAR -
+bool(true)
+array(11) {
+  [11]=>
+  int(33)
+  [9]=>
+  float(0.106)
+  [7]=>
+  int(2)
+  [6]=>
+  float(0.09)
+  [5]=>
+  int(0)
+  [4]=>
+  int(-1)
+  [2]=>
+  float(0.0021)
+  [1]=>
+  float(0.0001)
+  [-3]=>
+  float(-0.01)
+  [-8]=>
+  float(-0.9)
+  [-10]=>
+  float(-0.106)
+}
+- Sort flag = SORT_NUMERIC -
+bool(true)
+array(11) {
+  [11]=>
+  int(33)
+  [9]=>
+  float(0.106)
+  [7]=>
+  int(2)
+  [6]=>
+  float(0.09)
+  [5]=>
+  int(0)
+  [4]=>
+  int(-1)
+  [2]=>
+  float(0.0021)
+  [1]=>
+  float(0.0001)
+  [-3]=>
+  float(-0.01)
+  [-8]=>
+  float(-0.9)
+  [-10]=>
+  float(-0.106)
+}
+
+-- Iteration 4 --
+- With defualt sort flag -
+bool(true)
+array(4) {
+  [2147483647]=>
+  int(1)
+  [0]=>
+  int(5)
+  [-2147483647]=>
+  int(3)
+  [-2147483648]=>
+  int(4)
+}
+- Sort flag = SORT_REGULAR -
+bool(true)
+array(4) {
+  [2147483647]=>
+  int(1)
+  [0]=>
+  int(5)
+  [-2147483647]=>
+  int(3)
+  [-2147483648]=>
+  int(4)
+}
+- Sort flag = SORT_NUMERIC -
+bool(true)
+array(4) {
+  [2147483647]=>
+  int(1)
+  [0]=>
+  int(5)
+  [-2147483647]=>
+  int(3)
+  [-2147483648]=>
+  int(4)
+}
+Done
+--UEXPECTF--
+*** Testing krsort() : usage variations ***
+
+-- Testing krsort() by supplying various integer/float arrays --
+
+-- Iteration 1 --
+- With defualt sort flag -
+bool(true)
+array(9) {
+  [8]=>
+  int(41)
+  [7]=>
+  int(0)
+  [5]=>
+  int(31)
+  [3]=>
+  int(21)
+  [1]=>
+  int(11)
+  [-2]=>
+  int(-11)
+  [-4]=>
+  int(-21)
+  [-6]=>
+  int(-31)
+  [-10]=>
+  int(-41)
+}
+- Sort flag = SORT_REGULAR -
+bool(true)
+array(9) {
+  [8]=>
+  int(41)
+  [7]=>
+  int(0)
+  [5]=>
+  int(31)
+  [3]=>
+  int(21)
+  [1]=>
+  int(11)
+  [-2]=>
+  int(-11)
+  [-4]=>
+  int(-21)
+  [-6]=>
+  int(-31)
+  [-10]=>
+  int(-41)
+}
+- Sort flag = SORT_NUMERIC -
+bool(true)
+array(9) {
+  [8]=>
+  int(41)
+  [7]=>
+  int(0)
+  [5]=>
+  int(31)
+  [3]=>
+  int(21)
+  [1]=>
+  int(11)
+  [-2]=>
+  int(-11)
+  [-4]=>
+  int(-21)
+  [-6]=>
+  int(-31)
+  [-10]=>
+  int(-41)
+}
+
+-- Iteration 2 --
+- With defualt sort flag -
+bool(true)
+array(6) {
+  [6]=>
+  float(0.0001)
+  [4]=>
+  float(0.106)
+  [3]=>
+  float(1050)
+  [1]=>
+  float(10.5)
+  [0]=>
+  float(0.5)
+  [-7]=>
+  float(-0.1)
+}
+- Sort flag = SORT_REGULAR -
+bool(true)
+array(6) {
+  [6]=>
+  float(0.0001)
+  [4]=>
+  float(0.106)
+  [3]=>
+  float(1050)
+  [1]=>
+  float(10.5)
+  [0]=>
+  float(0.5)
+  [-7]=>
+  float(-0.1)
+}
+- Sort flag = SORT_NUMERIC -
+bool(true)
+array(6) {
+  [6]=>
+  float(0.0001)
+  [4]=>
+  float(0.106)
+  [3]=>
+  float(1050)
+  [1]=>
+  float(10.5)
+  [0]=>
+  float(0.5)
+  [-7]=>
+  float(-0.1)
+}
+
+-- Iteration 3 --
+- With defualt sort flag -
+bool(true)
+array(11) {
+  [11]=>
+  int(33)
+  [9]=>
+  float(0.106)
+  [7]=>
+  int(2)
+  [6]=>
+  float(0.09)
+  [5]=>
+  int(0)
+  [4]=>
+  int(-1)
+  [2]=>
+  float(0.0021)
+  [1]=>
+  float(0.0001)
+  [-3]=>
+  float(-0.01)
+  [-8]=>
+  float(-0.9)
+  [-10]=>
+  float(-0.106)
+}
+- Sort flag = SORT_REGULAR -
+bool(true)
+array(11) {
+  [11]=>
+  int(33)
+  [9]=>
+  float(0.106)
+  [7]=>
+  int(2)
+  [6]=>
+  float(0.09)
+  [5]=>
+  int(0)
+  [4]=>
+  int(-1)
+  [2]=>
+  float(0.0021)
+  [1]=>
+  float(0.0001)
+  [-3]=>
+  float(-0.01)
+  [-8]=>
+  float(-0.9)
+  [-10]=>
+  float(-0.106)
+}
+- Sort flag = SORT_NUMERIC -
+bool(true)
+array(11) {
+  [11]=>
+  int(33)
+  [9]=>
+  float(0.106)
+  [7]=>
+  int(2)
+  [6]=>
+  float(0.09)
+  [5]=>
+  int(0)
+  [4]=>
+  int(-1)
+  [2]=>
+  float(0.0021)
+  [1]=>
+  float(0.0001)
+  [-3]=>
+  float(-0.01)
+  [-8]=>
+  float(-0.9)
+  [-10]=>
+  float(-0.106)
+}
+
+-- Iteration 4 --
+- With defualt sort flag -
+bool(true)
+array(4) {
+  [2147483647]=>
+  int(1)
+  [0]=>
+  int(5)
+  [-2147483647]=>
+  int(3)
+  [-2147483648]=>
+  int(4)
+}
+- Sort flag = SORT_REGULAR -
+bool(true)
+array(4) {
+  [2147483647]=>
+  int(1)
+  [0]=>
+  int(5)
+  [-2147483647]=>
+  int(3)
+  [-2147483648]=>
+  int(4)
+}
+- Sort flag = SORT_NUMERIC -
+bool(true)
+array(4) {
+  [2147483647]=>
+  int(1)
+  [0]=>
+  int(5)
+  [-2147483647]=>
+  int(3)
+  [-2147483648]=>
+  int(4)
+}
+Done

ext/standard/tests/array/krsort_variation4.phpt

@@ -0,0 +1,186 @@
+--TEST--
+Test krsort() function : usage variations - sort octal values  
+--FILE--
+<?php
+/* Prototype  : bool krsort ( array &$array [, int $sort_flags] )
+ * Description: Sort an array by key in reverse order, maintaining key to data correlation. 
+ * Source code: ext/standard/array.c
+*/
+
+/*
+ * testing krsort() by providing array of octal values for $array argument
+ * with following flag values:
+ *  1.flag value as defualt
+ *  2.SORT_REGULAR - compare items normally
+ *  3.SORT_NUMERIC - compare items numerically
+*/
+
+echo "*** Testing krsort() : usage variations ***\n";
+
+// an array containing unsorted octal values
+$unsorted_oct_array = array (
+  01235 => 01, 0321 => 02, 0345 => 03, 066 => 04, 0772 => 05,
+  077 => 06, -066 => -01, -0345 => -02, 0 => 0
+);
+
+echo "\n-- Testing krsort() by supplying octal value array, 'flag' value is defualt  --\n";
+$temp_array = $unsorted_oct_array;
+var_dump( krsort($temp_array) ); // expecting : bool(true)
+var_dump($temp_array);
+
+echo "\n-- Testing krsort() by supplying octal value array, 'flag' value is SORT_REGULAR  --\n";
+$temp_array = $unsorted_oct_array;
+var_dump( krsort($temp_array, SORT_REGULAR) ); // expecting : bool(true)
+var_dump($temp_array);
+
+echo "\n-- Testing krsort() by supplying octal value array, 'flag' value is SORT_NUMERIC  --\n";
+$temp_array = $unsorted_oct_array;
+var_dump( krsort($temp_array, SORT_NUMERIC) ); // expecting : bool(true)
+var_dump($temp_array);
+
+echo "Done\n";
+?>
+--EXPECTF--
+*** Testing krsort() : usage variations ***
+
+-- Testing krsort() by supplying octal value array, 'flag' value is defualt  --
+bool(true)
+array(9) {
+  [669]=>
+  int(1)
+  [506]=>
+  int(5)
+  [229]=>
+  int(3)
+  [209]=>
+  int(2)
+  [63]=>
+  int(6)
+  [54]=>
+  int(4)
+  [0]=>
+  int(0)
+  [-54]=>
+  int(-1)
+  [-229]=>
+  int(-2)
+}
+
+-- Testing krsort() by supplying octal value array, 'flag' value is SORT_REGULAR  --
+bool(true)
+array(9) {
+  [669]=>
+  int(1)
+  [506]=>
+  int(5)
+  [229]=>
+  int(3)
+  [209]=>
+  int(2)
+  [63]=>
+  int(6)
+  [54]=>
+  int(4)
+  [0]=>
+  int(0)
+  [-54]=>
+  int(-1)
+  [-229]=>
+  int(-2)
+}
+
+-- Testing krsort() by supplying octal value array, 'flag' value is SORT_NUMERIC  --
+bool(true)
+array(9) {
+  [669]=>
+  int(1)
+  [506]=>
+  int(5)
+  [229]=>
+  int(3)
+  [209]=>
+  int(2)
+  [63]=>
+  int(6)
+  [54]=>
+  int(4)
+  [0]=>
+  int(0)
+  [-54]=>
+  int(-1)
+  [-229]=>
+  int(-2)
+}
+Done
+--UEXPECTF--
+*** Testing krsort() : usage variations ***
+
+-- Testing krsort() by supplying octal value array, 'flag' value is defualt  --
+bool(true)
+array(9) {
+  [669]=>
+  int(1)
+  [506]=>
+  int(5)
+  [229]=>
+  int(3)
+  [209]=>
+  int(2)
+  [63]=>
+  int(6)
+  [54]=>
+  int(4)
+  [0]=>
+  int(0)
+  [-54]=>
+  int(-1)
+  [-229]=>
+  int(-2)
+}
+
+-- Testing krsort() by supplying octal value array, 'flag' value is SORT_REGULAR  --
+bool(true)
+array(9) {
+  [669]=>
+  int(1)
+  [506]=>
+  int(5)
+  [229]=>
+  int(3)
+  [209]=>
+  int(2)
+  [63]=>
+  int(6)
+  [54]=>
+  int(4)
+  [0]=>
+  int(0)
+  [-54]=>
+  int(-1)
+  [-229]=>
+  int(-2)
+}
+
+-- Testing krsort() by supplying octal value array, 'flag' value is SORT_NUMERIC  --
+bool(true)
+array(9) {
+  [669]=>
+  int(1)
+  [506]=>
+  int(5)
+  [229]=>
+  int(3)
+  [209]=>
+  int(2)
+  [63]=>
+  int(6)
+  [54]=>
+  int(4)
+  [0]=>
+  int(0)
+  [-54]=>
+  int(-1)
+  [-229]=>
+  int(-2)
+}
+Done

ext/standard/tests/array/krsort_variation5.phpt

@@ -0,0 +1,413 @@
+--TEST--
+Test krsort() function : usage variations - sort strings  
+--FILE--
+<?php
+/* Prototype  : bool krsort ( array &$array [, int $sort_flags] )
+ * Description: Sort an array by key in reverse order, maintaining key to data correlation
+ * Source code: ext/standard/array.c
+*/
+
+/*
+ * testing krsort() by providing array of string values for $array argument with
+ * following flag values:
+ *  1.flag value as defualt
+ *  2.SORT_REGULAR - compare items normally
+ *  3.SORT_STRING  - compare items as strings
+*/
+
+echo "*** Testing krsort() : usage variations ***\n";
+
+$various_arrays = array (
+  // diff. escape sequence chars with key values
+  array ( null =>  null, NULL => NULL, "\a" => "\a", "\cx" => "\cx", "\e" => "\e", 
+          "\f" => "\f", "\n" =>"\n", "\r" => "\r", "\t" => "\t", "\xhh" => "\xhh", 
+          "\ddd" => "\ddd", "\v" => "\v"
+        ),
+
+  // array containing different strings with key values
+  array ( 'Lemon' => "lemoN", 'o' => "Orange", 'B' => "banana", 'Apple' => "apple", 'te' => "Test", 
+          't' => "TTTT", 'T' => "ttt", 'W' => "ww", 'X' => "x", 'x' => "X", 'O' => "oraNGe",
+          'B' => "BANANA"
+        )
+);
+
+$flags = array("SORT_REGULAR" => SORT_REGULAR, "SORT_STRING" => SORT_STRING);
+
+$count = 1;
+echo "\n-- Testing krsort() by supplying various string arrays --\n";
+
+// loop through to test krsort() with different arrays
+foreach ($various_arrays as $array) {
+  echo "\n-- Iteration $count --\n";
+
+  echo "- With defualt sort flag -\n";
+  $temp_array = $array;
+  var_dump(krsort($temp_array) ); // expecting : bool(true)
+  var_dump($temp_array);
+
+  // loop through $flags array and call krsort() with all possible sort flag values
+  foreach($flags as $key => $flag){
+    echo "- Sort flag = $key -\n";
+    $temp_array = $array;
+    var_dump(krsort($temp_array, $flag) ); // expecting : bool(true)
+    var_dump($temp_array);
+  }
+  $count++;
+}
+
+echo "Done\n";
+?>
+--EXPECTF--
+*** Testing krsort() : usage variations ***
+
+-- Testing krsort() by supplying various string arrays --
+
+-- Iteration 1 --
+- With defualt sort flag -
+bool(true)
+array(11) {
+  ["\xhh"]=>
+  string(4) "\xhh"
+  ["\e"]=>
+  string(2) "\e"
+  ["\ddd"]=>
+  string(4) "\ddd"
+  ["\cx"]=>
+  string(3) "\cx"
+  ["\a"]=>
+  string(2) "\a"
+  ["
+"]=>
+  string(1) "
+"
+  [""]=>
+  string(1) ""
+  [""]=>
+  string(1) ""
+  ["
+"]=>
+  string(1) "
+"
+  ["	"]=>
+  string(1) "	"
+  [""]=>
+  NULL
+}
+- Sort flag = SORT_REGULAR -
+bool(true)
+array(11) {
+  ["\xhh"]=>
+  string(4) "\xhh"
+  ["\e"]=>
+  string(2) "\e"
+  ["\ddd"]=>
+  string(4) "\ddd"
+  ["\cx"]=>
+  string(3) "\cx"
+  ["\a"]=>
+  string(2) "\a"
+  ["
+"]=>
+  string(1) "
+"
+  [""]=>
+  string(1) ""
+  [""]=>
+  string(1) ""
+  ["
+"]=>
+  string(1) "
+"
+  ["	"]=>
+  string(1) "	"
+  [""]=>
+  NULL
+}
+- Sort flag = SORT_STRING -
+bool(true)
+array(11) {
+  ["\xhh"]=>
+  string(4) "\xhh"
+  ["\e"]=>
+  string(2) "\e"
+  ["\ddd"]=>
+  string(4) "\ddd"
+  ["\cx"]=>
+  string(3) "\cx"
+  ["\a"]=>
+  string(2) "\a"
+  ["
+"]=>
+  string(1) "
+"
+  [""]=>
+  string(1) ""
+  [""]=>
+  string(1) ""
+  ["
+"]=>
+  string(1) "
+"
+  ["	"]=>
+  string(1) "	"
+  [""]=>
+  NULL
+}
+
+-- Iteration 2 --
+- With defualt sort flag -
+bool(true)
+array(11) {
+  ["x"]=>
+  string(1) "X"
+  ["te"]=>
+  string(4) "Test"
+  ["t"]=>
+  string(4) "TTTT"
+  ["o"]=>
+  string(6) "Orange"
+  ["X"]=>
+  string(1) "x"
+  ["W"]=>
+  string(2) "ww"
+  ["T"]=>
+  string(3) "ttt"
+  ["O"]=>
+  string(6) "oraNGe"
+  ["Lemon"]=>
+  string(5) "lemoN"
+  ["B"]=>
+  string(6) "BANANA"
+  ["Apple"]=>
+  string(5) "apple"
+}
+- Sort flag = SORT_REGULAR -
+bool(true)
+array(11) {
+  ["x"]=>
+  string(1) "X"
+  ["te"]=>
+  string(4) "Test"
+  ["t"]=>
+  string(4) "TTTT"
+  ["o"]=>
+  string(6) "Orange"
+  ["X"]=>
+  string(1) "x"
+  ["W"]=>
+  string(2) "ww"
+  ["T"]=>
+  string(3) "ttt"
+  ["O"]=>
+  string(6) "oraNGe"
+  ["Lemon"]=>
+  string(5) "lemoN"
+  ["B"]=>
+  string(6) "BANANA"
+  ["Apple"]=>
+  string(5) "apple"
+}
+- Sort flag = SORT_STRING -
+bool(true)
+array(11) {
+  ["x"]=>
+  string(1) "X"
+  ["te"]=>
+  string(4) "Test"
+  ["t"]=>
+  string(4) "TTTT"
+  ["o"]=>
+  string(6) "Orange"
+  ["X"]=>
+  string(1) "x"
+  ["W"]=>
+  string(2) "ww"
+  ["T"]=>
+  string(3) "ttt"
+  ["O"]=>
+  string(6) "oraNGe"
+  ["Lemon"]=>
+  string(5) "lemoN"
+  ["B"]=>
+  string(6) "BANANA"
+  ["Apple"]=>
+  string(5) "apple"
+}
+Done
+--UEXPECTF--
+*** Testing krsort() : usage variations ***
+
+-- Testing krsort() by supplying various string arrays --
+
+-- Iteration 1 --
+- With defualt sort flag -
+bool(true)
+array(11) {
+  [u"\xhh"]=>
+  unicode(4) "\xhh"
+  [u"\e"]=>
+  unicode(2) "\e"
+  [u"\ddd"]=>
+  unicode(4) "\ddd"
+  [u"\cx"]=>
+  unicode(3) "\cx"
+  [u"\a"]=>
+  unicode(2) "\a"
+  [u"
+"]=>
+  unicode(1) "
+"
+  [u""]=>
+  unicode(1) ""
+  [u""]=>
+  unicode(1) ""
+  [u"
+"]=>
+  unicode(1) "
+"
+  [u"	"]=>
+  unicode(1) "	"
+  [u""]=>
+  NULL
+}
+- Sort flag = SORT_REGULAR -
+bool(true)
+array(11) {
+  [u"\xhh"]=>
+  unicode(4) "\xhh"
+  [u"\e"]=>
+  unicode(2) "\e"
+  [u"\ddd"]=>
+  unicode(4) "\ddd"
+  [u"\cx"]=>
+  unicode(3) "\cx"
+  [u"\a"]=>
+  unicode(2) "\a"
+  [u"
+"]=>
+  unicode(1) "
+"
+  [u""]=>
+  unicode(1) ""
+  [u""]=>
+  unicode(1) ""
+  [u"
+"]=>
+  unicode(1) "
+"
+  [u"	"]=>
+  unicode(1) "	"
+  [u""]=>
+  NULL
+}
+- Sort flag = SORT_STRING -
+bool(true)
+array(11) {
+  [u"\xhh"]=>
+  unicode(4) "\xhh"
+  [u"\e"]=>
+  unicode(2) "\e"
+  [u"\ddd"]=>
+  unicode(4) "\ddd"
+  [u"\cx"]=>
+  unicode(3) "\cx"
+  [u"\a"]=>
+  unicode(2) "\a"
+  [u"
+"]=>
+  unicode(1) "
+"
+  [u""]=>
+  unicode(1) ""
+  [u""]=>
+  unicode(1) ""
+  [u"
+"]=>
+  unicode(1) "
+"
+  [u"	"]=>
+  unicode(1) "	"
+  [u""]=>
+  NULL
+}
+
+-- Iteration 2 --
+- With defualt sort flag -
+bool(true)
+array(11) {
+  [u"x"]=>
+  unicode(1) "X"
+  [u"te"]=>
+  unicode(4) "Test"
+  [u"t"]=>
+  unicode(4) "TTTT"
+  [u"o"]=>
+  unicode(6) "Orange"
+  [u"X"]=>
+  unicode(1) "x"
+  [u"W"]=>
+  unicode(2) "ww"
+  [u"T"]=>
+  unicode(3) "ttt"
+  [u"O"]=>
+  unicode(6) "oraNGe"
+  [u"Lemon"]=>
+  unicode(5) "lemoN"
+  [u"B"]=>
+  unicode(6) "BANANA"
+  [u"Apple"]=>
+  unicode(5) "apple"
+}
+- Sort flag = SORT_REGULAR -
+bool(true)
+array(11) {
+  [u"x"]=>
+  unicode(1) "X"
+  [u"te"]=>
+  unicode(4) "Test"
+  [u"t"]=>
+  unicode(4) "TTTT"
+  [u"o"]=>
+  unicode(6) "Orange"
+  [u"X"]=>
+  unicode(1) "x"
+  [u"W"]=>
+  unicode(2) "ww"
+  [u"T"]=>
+  unicode(3) "ttt"
+  [u"O"]=>
+  unicode(6) "oraNGe"
+  [u"Lemon"]=>
+  unicode(5) "lemoN"
+  [u"B"]=>
+  unicode(6) "BANANA"
+  [u"Apple"]=>
+  unicode(5) "apple"
+}
+- Sort flag = SORT_STRING -
+bool(true)
+array(11) {
+  [u"x"]=>
+  unicode(1) "X"
+  [u"te"]=>
+  unicode(4) "Test"
+  [u"t"]=>
+  unicode(4) "TTTT"
+  [u"o"]=>
+  unicode(6) "Orange"
+  [u"X"]=>
+  unicode(1) "x"
+  [u"W"]=>
+  unicode(2) "ww"
+  [u"T"]=>
+  unicode(3) "ttt"
+  [u"O"]=>
+  unicode(6) "oraNGe"
+  [u"Lemon"]=>
+  unicode(5) "lemoN"
+  [u"B"]=>
+  unicode(6) "BANANA"
+  [u"Apple"]=>
+  unicode(5) "apple"
+}
+Done

ext/standard/tests/array/krsort_variation6.phpt

@@ -0,0 +1,186 @@
+--TEST--
+Test krsort() function : usage variations - sort hexadecimal values
+--FILE--
+<?php
+/* Prototype  : bool krsort ( array &$array [, int $sort_flags] )
+ * Description: Sort an array by key in reverse order, maintaining key to data correlation. 
+ * Source code: ext/standard/array.c
+*/
+
+/*
+ * testing krsort() by providing array of hexa-decimal values for $array argument
+ * with following flag values:
+ *  1.flag value as defualt
+ *  2.SORT_REGULAR - compare items normally
+ *  3.SORT_NUMERIC - compare items numerically
+*/
+
+echo "*** Testing krsort() : usage variations ***\n";
+
+// an array containing unsorted hexadecimal values with keys  
+$unsorted_hex_array = array ( 
+  0x1AB => 0x1AB, 0xFFF => 0xFFF, 0xF => 0xF, 0xFF => 0xFF, 0x2AA => 0x2AA, 0xBB => 0xBB,
+  0x1ab => 0x1ab, 0xff => 0xff, -0xff => -0xFF, 0 => 0, -0x2aa => -0x2aa
+);
+
+echo "\n-- Testing krsort() by supplying hexadecimal value array, 'flag' value is defualt  --\n";
+$temp_array = $unsorted_hex_array;
+var_dump(krsort( $temp_array) ); // expecting : bool(true)
+var_dump($temp_array);
+
+echo "\n-- Testing krsort() by supplying hexadecimal value array, 'flag' value is SORT_REGULAR  --\n";
+$temp_array = $unsorted_hex_array;
+var_dump(krsort( $temp_array, SORT_REGULAR) ); // expecting : bool(true)
+var_dump($temp_array);
+
+echo "\n-- Testing krsort() by supplying hexadecimal value array, 'flag' value is SORT_NUMERIC  --\n";
+$temp_array = $unsorted_hex_array;
+var_dump(krsort( $temp_array, SORT_NUMERIC) ); // expecting : bool(true)
+var_dump($temp_array);
+
+echo "Done\n";
+?>
+--EXPECTF--
+*** Testing krsort() : usage variations ***
+
+-- Testing krsort() by supplying hexadecimal value array, 'flag' value is defualt  --
+bool(true)
+array(9) {
+  [4095]=>
+  int(4095)
+  [682]=>
+  int(682)
+  [427]=>
+  int(427)
+  [255]=>
+  int(255)
+  [187]=>
+  int(187)
+  [15]=>
+  int(15)
+  [0]=>
+  int(0)
+  [-255]=>
+  int(-255)
+  [-682]=>
+  int(-682)
+}
+
+-- Testing krsort() by supplying hexadecimal value array, 'flag' value is SORT_REGULAR  --
+bool(true)
+array(9) {
+  [4095]=>
+  int(4095)
+  [682]=>
+  int(682)
+  [427]=>
+  int(427)
+  [255]=>
+  int(255)
+  [187]=>
+  int(187)
+  [15]=>
+  int(15)
+  [0]=>
+  int(0)
+  [-255]=>
+  int(-255)
+  [-682]=>
+  int(-682)
+}
+
+-- Testing krsort() by supplying hexadecimal value array, 'flag' value is SORT_NUMERIC  --
+bool(true)
+array(9) {
+  [4095]=>
+  int(4095)
+  [682]=>
+  int(682)
+  [427]=>
+  int(427)
+  [255]=>
+  int(255)
+  [187]=>
+  int(187)
+  [15]=>
+  int(15)
+  [0]=>
+  int(0)
+  [-255]=>
+  int(-255)
+  [-682]=>
+  int(-682)
+}
+Done
+--UEXPECTF--
+*** Testing krsort() : usage variations ***
+
+-- Testing krsort() by supplying hexadecimal value array, 'flag' value is defualt  --
+bool(true)
+array(9) {
+  [4095]=>
+  int(4095)
+  [682]=>
+  int(682)
+  [427]=>
+  int(427)
+  [255]=>
+  int(255)
+  [187]=>
+  int(187)
+  [15]=>
+  int(15)
+  [0]=>
+  int(0)
+  [-255]=>
+  int(-255)
+  [-682]=>
+  int(-682)
+}
+
+-- Testing krsort() by supplying hexadecimal value array, 'flag' value is SORT_REGULAR  --
+bool(true)
+array(9) {
+  [4095]=>
+  int(4095)
+  [682]=>
+  int(682)
+  [427]=>
+  int(427)
+  [255]=>
+  int(255)
+  [187]=>
+  int(187)
+  [15]=>
+  int(15)
+  [0]=>
+  int(0)
+  [-255]=>
+  int(-255)
+  [-682]=>
+  int(-682)
+}
+
+-- Testing krsort() by supplying hexadecimal value array, 'flag' value is SORT_NUMERIC  --
+bool(true)
+array(9) {
+  [4095]=>
+  int(4095)
+  [682]=>
+  int(682)
+  [427]=>
+  int(427)
+  [255]=>
+  int(255)
+  [187]=>
+  int(187)
+  [15]=>
+  int(15)
+  [0]=>
+  int(0)
+  [-255]=>
+  int(-255)
+  [-682]=>
+  int(-682)
+}
+Done

ext/standard/tests/array/krsort_variation7.phpt

@@ -0,0 +1,298 @@
+--TEST--
+Test krsort() function : usage variations - sort array with diff. sub arrays 
+--FILE--
+<?php
+/* Prototype  : bool krsort ( array &$array [, int $sort_flags] )
+ * Description: Sort an array by key, maintaining key to data correlation 
+ * Source code: ext/standard/array.c
+*/
+
+/*
+ * testing krsort() by providing arrays contains sub arrays for $array argument 
+ * with flowing flag values
+ *  1.flag  value as defualt
+ *  2.SORT_REGULAR - compare items normally
+*/
+
+echo "*** Testing krsort() : usage variations ***\n";
+
+// array with diff sub arrays to be sorted 
+$various_arrays = array (
+  // null array
+  1  => array(),
+
+  // array contains null sub array
+  2 => array( 1 => array() ),
+
+  // array of arrays along with some values
+  3 => array(4 => 44, 1 => 11, 3 => array(64,61) ),
+
+  // array contains sub arrays
+  4 => array ( 3 => array(33,-5,6), 1 => array(11), 
+               2 => array(22,-55), 0  => array() )
+);
+
+
+$count = 1;
+echo "\n-- Testing krsort() by supplying various arrays containing sub arrays --\n";
+
+// loop through to test krsort() with different arrays
+foreach ($various_arrays as $array) {
+ 
+  echo "\n-- Iteration $count --\n"; 
+  echo "- With defualt sort flag -\n";
+  $temp_array = $array;
+  var_dump( krsort($temp_array) );
+  var_dump($temp_array);
+
+  echo "- Sort flag = SORT_REGULAR -\n";
+  $temp_array = $array;
+  var_dump( krsort($temp_array, SORT_REGULAR) );
+  var_dump($temp_array);
+  $count++;
+}
+
+echo "Done\n";
+?>
+--EXPECTF--
+*** Testing krsort() : usage variations ***
+
+-- Testing krsort() by supplying various arrays containing sub arrays --
+
+-- Iteration 1 --
+- With defualt sort flag -
+bool(true)
+array(0) {
+}
+- Sort flag = SORT_REGULAR -
+bool(true)
+array(0) {
+}
+
+-- Iteration 2 --
+- With defualt sort flag -
+bool(true)
+array(1) {
+  [1]=>
+  array(0) {
+  }
+}
+- Sort flag = SORT_REGULAR -
+bool(true)
+array(1) {
+  [1]=>
+  array(0) {
+  }
+}
+
+-- Iteration 3 --
+- With defualt sort flag -
+bool(true)
+array(3) {
+  [4]=>
+  int(44)
+  [3]=>
+  array(2) {
+    [0]=>
+    int(64)
+    [1]=>
+    int(61)
+  }
+  [1]=>
+  int(11)
+}
+- Sort flag = SORT_REGULAR -
+bool(true)
+array(3) {
+  [4]=>
+  int(44)
+  [3]=>
+  array(2) {
+    [0]=>
+    int(64)
+    [1]=>
+    int(61)
+  }
+  [1]=>
+  int(11)
+}
+
+-- Iteration 4 --
+- With defualt sort flag -
+bool(true)
+array(4) {
+  [3]=>
+  array(3) {
+    [0]=>
+    int(33)
+    [1]=>
+    int(-5)
+    [2]=>
+    int(6)
+  }
+  [2]=>
+  array(2) {
+    [0]=>
+    int(22)
+    [1]=>
+    int(-55)
+  }
+  [1]=>
+  array(1) {
+    [0]=>
+    int(11)
+  }
+  [0]=>
+  array(0) {
+  }
+}
+- Sort flag = SORT_REGULAR -
+bool(true)
+array(4) {
+  [3]=>
+  array(3) {
+    [0]=>
+    int(33)
+    [1]=>
+    int(-5)
+    [2]=>
+    int(6)
+  }
+  [2]=>
+  array(2) {
+    [0]=>
+    int(22)
+    [1]=>
+    int(-55)
+  }
+  [1]=>
+  array(1) {
+    [0]=>
+    int(11)
+  }
+  [0]=>
+  array(0) {
+  }
+}
+Done
+--UEXPECTF--
+*** Testing krsort() : usage variations ***
+
+-- Testing krsort() by supplying various arrays containing sub arrays --
+
+-- Iteration 1 --
+- With defualt sort flag -
+bool(true)
+array(0) {
+}
+- Sort flag = SORT_REGULAR -
+bool(true)
+array(0) {
+}
+
+-- Iteration 2 --
+- With defualt sort flag -
+bool(true)
+array(1) {
+  [1]=>
+  array(0) {
+  }
+}
+- Sort flag = SORT_REGULAR -
+bool(true)
+array(1) {
+  [1]=>
+  array(0) {
+  }
+}
+
+-- Iteration 3 --
+- With defualt sort flag -
+bool(true)
+array(3) {
+  [4]=>
+  int(44)
+  [3]=>
+  array(2) {
+    [0]=>
+    int(64)
+    [1]=>
+    int(61)
+  }
+  [1]=>
+  int(11)
+}
+- Sort flag = SORT_REGULAR -
+bool(true)
+array(3) {
+  [4]=>
+  int(44)
+  [3]=>
+  array(2) {
+    [0]=>
+    int(64)
+    [1]=>
+    int(61)
+  }
+  [1]=>
+  int(11)
+}
+
+-- Iteration 4 --
+- With defualt sort flag -
+bool(true)
+array(4) {
+  [3]=>
+  array(3) {
+    [0]=>
+    int(33)
+    [1]=>
+    int(-5)
+    [2]=>
+    int(6)
+  }
+  [2]=>
+  array(2) {
+    [0]=>
+    int(22)
+    [1]=>
+    int(-55)
+  }
+  [1]=>
+  array(1) {
+    [0]=>
+    int(11)
+  }
+  [0]=>
+  array(0) {
+  }
+}
+- Sort flag = SORT_REGULAR -
+bool(true)
+array(4) {
+  [3]=>
+  array(3) {
+    [0]=>
+    int(33)
+    [1]=>
+    int(-5)
+    [2]=>
+    int(6)
+  }
+  [2]=>
+  array(2) {
+    [0]=>
+    int(22)
+    [1]=>
+    int(-55)
+  }
+  [1]=>
+  array(1) {
+    [0]=>
+    int(11)
+  }
+  [0]=>
+  array(0) {
+  }
+}
+Done

ext/standard/tests/array/krsort_variation9.phpt

@@ -0,0 +1,464 @@
+--TEST--
+Test krsort() function : usage variations - sort array with/without key values
+--FILE--
+<?php
+/* Prototype  : bool krsort ( array &$array [, int $sort_flags] )
+ * Description: Sort an array by key in reverse order, maintaining key to data correlation. 
+ * Source code: ext/standard/array.c
+*/
+
+/*
+ * Testing krsort() by providing arrays  with/without key values for $array argument
+ * with following flag values:
+ *  1.flag value as defualt
+ *  2.SORT_REGULAR - compare items normally
+ */
+
+echo "*** Testing krsort() : usage variations ***\n";
+
+// list of arrays with/without key values
+$various_arrays = array (
+  array(5 => 55,  66, 22, 33, 11),
+  array ("a" => "orange",  "banana", "c" => "apple"),
+  array(1, 2, 3, 4, 5, 6),
+  array("first", 5 => "second", 1 => "third"),
+  array(1, 1, 8 => 1,  4 => 1, 19, 3 => 13),
+  array('bar' => 'baz', "foo" => 1),
+  array('a' => 1,'b' => array('e' => 2,'f' => 3),'c' => array('g' => 4),'d' => 5),
+);
+
+$count = 1;
+echo "\n-- Testing krsort() by supplying various arrays with/without key values --\n";
+
+// loop through to test krsort() with different arrays, 
+foreach ($various_arrays as $array) {
+  echo "\n-- Iteration $count --\n";
+
+  echo "- With defualt sort flag -\n";
+  $temp_array = $array;
+  var_dump( krsort($temp_array) );
+  var_dump($temp_array);
+
+  echo "- Sort flag = SORT_REGULAR -\n";
+  $temp_array = $array;
+  var_dump( krsort($temp_array, SORT_REGULAR) );
+  var_dump($temp_array);
+  $count++;
+}
+
+echo "Done\n";
+?>
+--EXPECTF--
+*** Testing krsort() : usage variations ***
+
+-- Testing krsort() by supplying various arrays with/without key values --
+
+-- Iteration 1 --
+- With defualt sort flag -
+bool(true)
+array(5) {
+  [9]=>
+  int(11)
+  [8]=>
+  int(33)
+  [7]=>
+  int(22)
+  [6]=>
+  int(66)
+  [5]=>
+  int(55)
+}
+- Sort flag = SORT_REGULAR -
+bool(true)
+array(5) {
+  [9]=>
+  int(11)
+  [8]=>
+  int(33)
+  [7]=>
+  int(22)
+  [6]=>
+  int(66)
+  [5]=>
+  int(55)
+}
+
+-- Iteration 2 --
+- With defualt sort flag -
+bool(true)
+array(3) {
+  ["c"]=>
+  string(5) "apple"
+  [0]=>
+  string(6) "banana"
+  ["a"]=>
+  string(6) "orange"
+}
+- Sort flag = SORT_REGULAR -
+bool(true)
+array(3) {
+  ["c"]=>
+  string(5) "apple"
+  [0]=>
+  string(6) "banana"
+  ["a"]=>
+  string(6) "orange"
+}
+
+-- Iteration 3 --
+- With defualt sort flag -
+bool(true)
+array(6) {
+  [5]=>
+  int(6)
+  [4]=>
+  int(5)
+  [3]=>
+  int(4)
+  [2]=>
+  int(3)
+  [1]=>
+  int(2)
+  [0]=>
+  int(1)
+}
+- Sort flag = SORT_REGULAR -
+bool(true)
+array(6) {
+  [5]=>
+  int(6)
+  [4]=>
+  int(5)
+  [3]=>
+  int(4)
+  [2]=>
+  int(3)
+  [1]=>
+  int(2)
+  [0]=>
+  int(1)
+}
+
+-- Iteration 4 --
+- With defualt sort flag -
+bool(true)
+array(3) {
+  [5]=>
+  string(6) "second"
+  [1]=>
+  string(5) "third"
+  [0]=>
+  string(5) "first"
+}
+- Sort flag = SORT_REGULAR -
+bool(true)
+array(3) {
+  [5]=>
+  string(6) "second"
+  [1]=>
+  string(5) "third"
+  [0]=>
+  string(5) "first"
+}
+
+-- Iteration 5 --
+- With defualt sort flag -
+bool(true)
+array(6) {
+  [9]=>
+  int(19)
+  [8]=>
+  int(1)
+  [4]=>
+  int(1)
+  [3]=>
+  int(13)
+  [1]=>
+  int(1)
+  [0]=>
+  int(1)
+}
+- Sort flag = SORT_REGULAR -
+bool(true)
+array(6) {
+  [9]=>
+  int(19)
+  [8]=>
+  int(1)
+  [4]=>
+  int(1)
+  [3]=>
+  int(13)
+  [1]=>
+  int(1)
+  [0]=>
+  int(1)
+}
+
+-- Iteration 6 --
+- With defualt sort flag -
+bool(true)
+array(2) {
+  ["foo"]=>
+  int(1)
+  ["bar"]=>
+  string(3) "baz"
+}
+- Sort flag = SORT_REGULAR -
+bool(true)
+array(2) {
+  ["foo"]=>
+  int(1)
+  ["bar"]=>
+  string(3) "baz"
+}
+
+-- Iteration 7 --
+- With defualt sort flag -
+bool(true)
+array(4) {
+  ["d"]=>
+  int(5)
+  ["c"]=>
+  array(1) {
+    ["g"]=>
+    int(4)
+  }
+  ["b"]=>
+  array(2) {
+    ["e"]=>
+    int(2)
+    ["f"]=>
+    int(3)
+  }
+  ["a"]=>
+  int(1)
+}
+- Sort flag = SORT_REGULAR -
+bool(true)
+array(4) {
+  ["d"]=>
+  int(5)
+  ["c"]=>
+  array(1) {
+    ["g"]=>
+    int(4)
+  }
+  ["b"]=>
+  array(2) {
+    ["e"]=>
+    int(2)
+    ["f"]=>
+    int(3)
+  }
+  ["a"]=>
+  int(1)
+}
+Done
+--UEXPECTF--
+*** Testing krsort() : usage variations ***
+
+-- Testing krsort() by supplying various arrays with/without key values --
+
+-- Iteration 1 --
+- With defualt sort flag -
+bool(true)
+array(5) {
+  [9]=>
+  int(11)
+  [8]=>
+  int(33)
+  [7]=>
+  int(22)
+  [6]=>
+  int(66)
+  [5]=>
+  int(55)
+}
+- Sort flag = SORT_REGULAR -
+bool(true)
+array(5) {
+  [9]=>
+  int(11)
+  [8]=>
+  int(33)
+  [7]=>
+  int(22)
+  [6]=>
+  int(66)
+  [5]=>
+  int(55)
+}
+
+-- Iteration 2 --
+- With defualt sort flag -
+bool(true)
+array(3) {
+  [u"c"]=>
+  unicode(5) "apple"
+  [0]=>
+  unicode(6) "banana"
+  [u"a"]=>
+  unicode(6) "orange"
+}
+- Sort flag = SORT_REGULAR -
+bool(true)
+array(3) {
+  [u"c"]=>
+  unicode(5) "apple"
+  [0]=>
+  unicode(6) "banana"
+  [u"a"]=>
+  unicode(6) "orange"
+}
+
+-- Iteration 3 --
+- With defualt sort flag -
+bool(true)
+array(6) {
+  [5]=>
+  int(6)
+  [4]=>
+  int(5)
+  [3]=>
+  int(4)
+  [2]=>
+  int(3)
+  [1]=>
+  int(2)
+  [0]=>
+  int(1)
+}
+- Sort flag = SORT_REGULAR -
+bool(true)
+array(6) {
+  [5]=>
+  int(6)
+  [4]=>
+  int(5)
+  [3]=>
+  int(4)
+  [2]=>
+  int(3)
+  [1]=>
+  int(2)
+  [0]=>
+  int(1)
+}
+
+-- Iteration 4 --
+- With defualt sort flag -
+bool(true)
+array(3) {
+  [5]=>
+  unicode(6) "second"
+  [1]=>
+  unicode(5) "third"
+  [0]=>
+  unicode(5) "first"
+}
+- Sort flag = SORT_REGULAR -
+bool(true)
+array(3) {
+  [5]=>
+  unicode(6) "second"
+  [1]=>
+  unicode(5) "third"
+  [0]=>
+  unicode(5) "first"
+}
+
+-- Iteration 5 --
+- With defualt sort flag -
+bool(true)
+array(6) {
+  [9]=>
+  int(19)
+  [8]=>
+  int(1)
+  [4]=>
+  int(1)
+  [3]=>
+  int(13)
+  [1]=>
+  int(1)
+  [0]=>
+  int(1)
+}
+- Sort flag = SORT_REGULAR -
+bool(true)
+array(6) {
+  [9]=>
+  int(19)
+  [8]=>
+  int(1)
+  [4]=>
+  int(1)
+  [3]=>
+  int(13)
+  [1]=>
+  int(1)
+  [0]=>
+  int(1)
+}
+
+-- Iteration 6 --
+- With defualt sort flag -
+bool(true)
+array(2) {
+  [u"foo"]=>
+  int(1)
+  [u"bar"]=>
+  unicode(3) "baz"
+}
+- Sort flag = SORT_REGULAR -
+bool(true)
+array(2) {
+  [u"foo"]=>
+  int(1)
+  [u"bar"]=>
+  unicode(3) "baz"
+}
+
+-- Iteration 7 --
+- With defualt sort flag -
+bool(true)
+array(4) {
+  [u"d"]=>
+  int(5)
+  [u"c"]=>
+  array(1) {
+    [u"g"]=>
+    int(4)
+  }
+  [u"b"]=>
+  array(2) {
+    [u"e"]=>
+    int(2)
+    [u"f"]=>
+    int(3)
+  }
+  [u"a"]=>
+  int(1)
+}
+- Sort flag = SORT_REGULAR -
+bool(true)
+array(4) {
+  [u"d"]=>
+  int(5)
+  [u"c"]=>
+  array(1) {
+    [u"g"]=>
+    int(4)
+  }
+  [u"b"]=>
+  array(2) {
+    [u"e"]=>
+    int(2)
+    [u"f"]=>
+    int(3)
+  }
+  [u"a"]=>
+  int(1)
+}
+Done