New tests for str_pad(), str_shuffle(), stristr() and strlen(). Tested on WIndows, Linux and Linux 64 bit

ext/standard/tests/strings/str_pad_variation1.phpt

@@ -0,0 +1,140 @@
+--TEST--
+Test str_pad() function : usage variations - unexpected inputs for '$input' argument
+--FILE--
+<?php
+/* Prototype  : string str_pad  ( string $input  , int $pad_length  [, string $pad_string  [, int $pad_type  ]] )
+ * Description: Pad a string to a certain length with another string
+ * Source code: ext/standard/string.c
+*/
+
+/* Test str_pad() function: with unexpected inputs for '$input' 
+ *  and expected type for '$pad_length'
+*/
+
+echo "*** Testing str_pad() function: with unexpected inputs for 'input' argument ***\n";
+
+//get an unset variable
+$unset_var = 'string_val';
+unset($unset_var);
+
+//defining a class
+class sample  {
+  public function __toString() {
+    return "sample object";
+  } 
+}
+
+//getting the resource
+$file_handle = fopen(__FILE__, "r");
+
+// array with different values for $input
+$inputs =  array (
+
+		  // integer values
+/*1*/	  0,
+		  1,
+		  -2,
+		  2147483647,
+		  -2147483648,
+		
+		  // float values
+/*6*/	  10.5,
+		  -20.5,
+		  10.1234567e10,
+		
+		  // array values
+/*9*/	  array(),
+		  array(0),
+		  array(1, 2),
+		
+		  // boolean values
+/*12*/	  true,
+		  false,
+		  TRUE,
+		  FALSE,
+		
+		  // null vlaues
+/*16*/	  NULL,
+		  null,
+		
+		  // objects
+/*18*/	  new sample(),
+		
+		  // resource
+/*19*/	  $file_handle,
+		
+		  // undefined variable
+/*20*/	  @$undefined_var,
+		
+		  // unset variable
+/*21*/	  @$unset_var
+);
+
+//defining '$pad_length' argument
+$pad_length = "20";
+
+// loop through with each element of the $inputs array to test str_pad() function
+$count = 1;
+foreach($inputs as $input) {
+  echo "-- Iteration $count --\n";
+  var_dump( str_pad($input, $pad_length) );
+  $count ++;
+}
+
+fclose($file_handle);  //closing the file handle
+
+?>
+===DONE===
+--EXPECTF--
+*** Testing str_pad() function: with unexpected inputs for 'input' argument ***
+-- Iteration 1 --
+unicode(20) "0                   "
+-- Iteration 2 --
+unicode(20) "1                   "
+-- Iteration 3 --
+unicode(20) "-2                  "
+-- Iteration 4 --
+unicode(20) "2147483647          "
+-- Iteration 5 --
+unicode(20) "-2147483648         "
+-- Iteration 6 --
+unicode(20) "10.5                "
+-- Iteration 7 --
+unicode(20) "-20.5               "
+-- Iteration 8 --
+unicode(20) "101234567000        "
+-- Iteration 9 --
+
+Warning: str_pad() expects parameter 1 to be string (Unicode or binary), array given in %s on line %d
+NULL
+-- Iteration 10 --
+
+Warning: str_pad() expects parameter 1 to be string (Unicode or binary), array given in %s on line %d
+NULL
+-- Iteration 11 --
+
+Warning: str_pad() expects parameter 1 to be string (Unicode or binary), array given in %s on line %d
+NULL
+-- Iteration 12 --
+unicode(20) "1                   "
+-- Iteration 13 --
+unicode(20) "                    "
+-- Iteration 14 --
+unicode(20) "1                   "
+-- Iteration 15 --
+unicode(20) "                    "
+-- Iteration 16 --
+unicode(20) "                    "
+-- Iteration 17 --
+unicode(20) "                    "
+-- Iteration 18 --
+unicode(20) "sample object       "
+-- Iteration 19 --
+
+Warning: str_pad() expects parameter 1 to be string (Unicode or binary), resource given in %s on line %d
+NULL
+-- Iteration 20 --
+unicode(20) "                    "
+-- Iteration 21 --
+unicode(20) "                    "
+===DONE===

ext/standard/tests/strings/str_pad_variation2.phpt

@@ -0,0 +1,139 @@
+--TEST--
+Test str_pad() function : usage variations - unexpected inputs for '$pad_length' argument
+--FILE--
+<?php
+/* Prototype  : string str_pad  ( string $input  , int $pad_length  [, string $pad_string  [, int $pad_type  ]] )
+ * Description: Pad a string to a certain length with another string
+ * Source code: ext/standard/string.c
+*/
+
+/* Test str_pad() function: with unexpected inputs for '$pad_length' 
+ *  and expected type for '$input'
+*/
+
+echo "*** Testing str_pad() function: with unexpected inputs for 'pad_length' argument ***\n";
+
+//get an unset variable
+$unset_var = 'string_val';
+unset($unset_var);
+
+//defining a class
+class sample  {
+  public function __toString() {
+    return "sample object";
+  } 
+}
+
+//getting the resource
+$file_handle = fopen(__FILE__, "r");
+
+// array with different values for $input
+$pad_lengths =  array (
+
+		  // integer values
+/*1*/	  0,
+		  1,
+		  -2,
+		  255,
+		
+		  // float values
+/*5*/	  10.5,
+		  -20.5,
+		  10.12345e2,
+		
+		  // array values
+/*8*/	  array(),
+		  array(0),
+		  array(1, 2),
+		
+		  // boolean values
+/*11*/	  true,
+		  false,
+		  TRUE,
+		  FALSE,
+		
+		  // null vlaues
+/*15*/	  NULL,
+		  null,
+		
+		  // objects
+/*17*/	  new sample(),
+		
+		  // resource
+/*18*/	  $file_handle,
+		
+		  // undefined variable
+/*19*/	  @$undefined_var,
+		
+		  // unset variable
+/*20*/	  @$unset_var
+);
+
+//defining '$input' argument
+$input = "Test string";
+
+// loop through with each element of the $pad_lengths array to test str_pad() function
+$count = 1;
+foreach($pad_lengths as $pad_length) {
+  echo "-- Iteration $count --\n";
+  var_dump( str_pad($input, $pad_length) );
+  $count ++;
+}
+
+fclose($file_handle);  //closing the file handle
+
+?>
+===DONE===
+--EXPECTF--
+*** Testing str_pad() function: with unexpected inputs for 'pad_length' argument ***
+-- Iteration 1 --
+unicode(11) "Test string"
+-- Iteration 2 --
+unicode(11) "Test string"
+-- Iteration 3 --
+unicode(11) "Test string"
+-- Iteration 4 --
+unicode(255) "Test string                                                                                                                                                                                                                                                    "
+-- Iteration 5 --
+unicode(11) "Test string"
+-- Iteration 6 --
+unicode(11) "Test string"
+-- Iteration 7 --
+unicode(1012) "Test string                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         "
+-- Iteration 8 --
+
+Warning: str_pad() expects parameter 2 to be long, array given in %s on line %d
+NULL
+-- Iteration 9 --
+
+Warning: str_pad() expects parameter 2 to be long, array given in %s on line %d
+NULL
+-- Iteration 10 --
+
+Warning: str_pad() expects parameter 2 to be long, array given in %s on line %d
+NULL
+-- Iteration 11 --
+unicode(11) "Test string"
+-- Iteration 12 --
+unicode(11) "Test string"
+-- Iteration 13 --
+unicode(11) "Test string"
+-- Iteration 14 --
+unicode(11) "Test string"
+-- Iteration 15 --
+unicode(11) "Test string"
+-- Iteration 16 --
+unicode(11) "Test string"
+-- Iteration 17 --
+
+Warning: str_pad() expects parameter 2 to be long, object given in %s on line %d
+NULL
+-- Iteration 18 --
+
+Warning: str_pad() expects parameter 2 to be long, resource given in %s on line %d
+NULL
+-- Iteration 19 --
+unicode(11) "Test string"
+-- Iteration 20 --
+unicode(11) "Test string"
+===DONE===

ext/standard/tests/strings/str_pad_variation3.phpt

@@ -0,0 +1,153 @@
+--TEST--
+Test str_pad() function : usage variations - unexpected inputs for '$pad_string' argument
+--FILE--
+<?php
+/* Prototype  : string str_pad  ( string $input  , int $pad_length  [, string $pad_string  [, int $pad_type  ]] )
+ * Description: Pad a string to a certain length with another string
+ * Source code: ext/standard/string.c
+*/
+
+/* Test str_pad() function: with unexpected inputs for '$pad_string' 
+ *  and expected type for '$input' and '$pad_length'
+*/
+
+echo "*** Testing str_pad() function: with unexpected inputs for 'pad_string' argument ***\n";
+
+//get an unset variable
+$unset_var = 'string_val';
+unset($unset_var);
+
+//defining a class
+class sample  {
+  public function __toString() {
+    return "sample object";
+  } 
+}
+
+//getting the resource
+$file_handle = fopen(__FILE__, "r");
+
+// array with different values for $input
+$pad_strings =  array (
+
+		  // integer values
+/*1*/	  0,
+		  1,
+		  -2,
+		  2147483647,
+		  -2147483648,
+		
+		  // float values
+/*6*/	  10.5,
+		  -20.5,
+		  10.1234567e10,
+		
+		  // array values
+/*9*/	  array(),
+		  array(0),
+		  array(1, 2),
+		
+		  // boolean values
+/*12*/	  true,
+		  false,
+		  TRUE,
+		  FALSE,
+		
+		  // null vlaues
+/*16*/	  NULL,
+		  null,
+		
+		  // objects
+/*18*/	  new sample(),
+		
+		  // resource
+/*19*/	  $file_handle,
+		
+		  // undefined variable
+/*20*/	  @$undefined_var,
+		
+		  // unset variable
+/*21*/	  @$unset_var
+);
+
+//defining '$input' argument
+$input = "Test string";
+$pad_length = 20;
+
+// loop through with each element of the $pad_strings array to test str_pad() function
+$count = 1;
+foreach($pad_strings as $pad_string) {
+  echo "-- Iteration $count --\n";
+  var_dump( str_pad($input, $pad_length, $pad_string) );
+  $count ++;
+}
+
+fclose($file_handle);  //closing the file handle
+
+?>
+===DONE===
+--EXPECTF--
+*** Testing str_pad() function: with unexpected inputs for 'pad_string' argument ***
+-- Iteration 1 --
+unicode(20) "Test string000000000"
+-- Iteration 2 --
+unicode(20) "Test string111111111"
+-- Iteration 3 --
+unicode(20) "Test string-2-2-2-2-"
+-- Iteration 4 --
+unicode(20) "Test string214748364"
+-- Iteration 5 --
+unicode(20) "Test string-21474836"
+-- Iteration 6 --
+unicode(20) "Test string10.510.51"
+-- Iteration 7 --
+unicode(20) "Test string-20.5-20."
+-- Iteration 8 --
+unicode(20) "Test string101234567"
+-- Iteration 9 --
+
+Warning: str_pad() expects parameter 3 to be string (Unicode or binary), array given in %s on line %d
+NULL
+-- Iteration 10 --
+
+Warning: str_pad() expects parameter 3 to be string (Unicode or binary), array given in %s on line %d
+NULL
+-- Iteration 11 --
+
+Warning: str_pad() expects parameter 3 to be string (Unicode or binary), array given in %s on line %d
+NULL
+-- Iteration 12 --
+unicode(20) "Test string111111111"
+-- Iteration 13 --
+
+Warning: str_pad(): Padding string cannot be empty in %s on line %d
+NULL
+-- Iteration 14 --
+unicode(20) "Test string111111111"
+-- Iteration 15 --
+
+Warning: str_pad(): Padding string cannot be empty in %s on line %d
+NULL
+-- Iteration 16 --
+
+Warning: str_pad(): Padding string cannot be empty in %s on line %d
+NULL
+-- Iteration 17 --
+
+Warning: str_pad(): Padding string cannot be empty in %s on line %d
+NULL
+-- Iteration 18 --
+unicode(20) "Test stringsample ob"
+-- Iteration 19 --
+
+Warning: str_pad() expects parameter 3 to be string (Unicode or binary), resource given in %s on line %d
+NULL
+-- Iteration 20 --
+
+Warning: str_pad(): Padding string cannot be empty in %s on line %d
+NULL
+-- Iteration 21 --
+
+Warning: str_pad(): Padding string cannot be empty in %s on line %d
+NULL
+===DONE===

ext/standard/tests/strings/str_pad_variation4.phpt

@@ -0,0 +1,168 @@
+--TEST--
+Test str_pad() function : usage variations - unexpected inputs for '$pad_type' argument
+--FILE--
+<?php
+/* Prototype  : string str_pad  ( string $input  , int $pad_length  [, string $pad_string  [, int $pad_type  ]] )
+ * Description: Pad a string to a certain length with another string
+ * Source code: ext/standard/string.c
+*/
+
+/* Test str_pad() function: with unexpected inputs for '$pad_type' 
+ *  and expected type for '$input', '$pad_length' and '$pad_string'
+*/
+
+echo "*** Testing str_pad() function: with unexpected inputs for 'pad_type' argument ***\n";
+
+//get an unset variable
+$unset_var = 'string_val';
+unset($unset_var);
+
+//defining a class
+class sample  {
+  public function __toString() {
+    return "sample object";
+  } 
+}
+
+// array with different values for $input
+$pad_types =  array (
+
+		  // integer values
+/*1*/	  0, // == STR_PAD_LEFT
+		  1, // == STR_PAD_RIGHT
+		  2, // == STR_PAD_BOTH
+		  -2, 
+		  2147483647,
+		  -2147483648,
+		  	
+		  // float values
+/*7*/	  10.5,
+		  -20.5,
+		  10.1234567e10,
+		  
+		  // string data
+/*10*/	  "abc",
+		  "STR_PAD_LEFT",
+		  "2",
+		  "0x2",
+		  "02",
+		  
+		  // array values
+/*15*/	  array(),
+		  array(0),
+		  array(1, 2),
+		
+		  // boolean values
+/*18*/	  true,
+		  false,
+		  TRUE,
+		  FALSE,
+		
+		  // null vlaues
+/*22*/	  NULL,
+		  null,
+		
+		  // objects
+/*24*/	  new sample(),
+		
+		  // undefined variable
+/*25*/	  @$undefined_var,
+		
+		  // unset variable
+/*26*/	  @$unset_var
+);
+
+//defining '$input' argument
+$input = "Test string";
+$pad_length = 20;
+$pad_string = "*";
+
+// loop through with each element of the $pad_types array to test str_pad() function
+$count = 1;
+foreach($pad_types as $pad_type) {
+  echo "-- Iteration $count --\n";
+  var_dump( str_pad($input, $pad_length, $pad_string, $pad_type) );
+  $count ++;
+}
+
+?>
+===DONE===
+--EXPECTF--
+*** Testing str_pad() function: with unexpected inputs for 'pad_type' argument ***
+-- Iteration 1 --
+unicode(20) "*********Test string"
+-- Iteration 2 --
+unicode(20) "Test string*********"
+-- Iteration 3 --
+unicode(20) "****Test string*****"
+-- Iteration 4 --
+
+Warning: str_pad(): Padding type has to be STR_PAD_LEFT, STR_PAD_RIGHT, or STR_PAD_BOTH in %s on line %d
+NULL
+-- Iteration 5 --
+
+Warning: str_pad(): Padding type has to be STR_PAD_LEFT, STR_PAD_RIGHT, or STR_PAD_BOTH in %s on line %d
+NULL
+-- Iteration 6 --
+
+Warning: str_pad(): Padding type has to be STR_PAD_LEFT, STR_PAD_RIGHT, or STR_PAD_BOTH in %s on line %d
+NULL
+-- Iteration 7 --
+
+Warning: str_pad(): Padding type has to be STR_PAD_LEFT, STR_PAD_RIGHT, or STR_PAD_BOTH in %s on line %d
+NULL
+-- Iteration 8 --
+
+Warning: str_pad(): Padding type has to be STR_PAD_LEFT, STR_PAD_RIGHT, or STR_PAD_BOTH in %s on line %d
+NULL
+-- Iteration 9 --
+
+Warning: str_pad(): Padding type has to be STR_PAD_LEFT, STR_PAD_RIGHT, or STR_PAD_BOTH in %s on line %d
+NULL
+-- Iteration 10 --
+
+Warning: str_pad() expects parameter 4 to be long, Unicode string given in %s on line %d
+NULL
+-- Iteration 11 --
+
+Warning: str_pad() expects parameter 4 to be long, Unicode string given in %s on line %d
+NULL
+-- Iteration 12 --
+unicode(20) "****Test string*****"
+-- Iteration 13 --
+unicode(20) "****Test string*****"
+-- Iteration 14 --
+unicode(20) "****Test string*****"
+-- Iteration 15 --
+
+Warning: str_pad() expects parameter 4 to be long, array given in %s on line %d
+NULL
+-- Iteration 16 --
+
+Warning: str_pad() expects parameter 4 to be long, array given in %s on line %d
+NULL
+-- Iteration 17 --
+
+Warning: str_pad() expects parameter 4 to be long, array given in %s on line %d
+NULL
+-- Iteration 18 --
+unicode(20) "Test string*********"
+-- Iteration 19 --
+unicode(20) "*********Test string"
+-- Iteration 20 --
+unicode(20) "Test string*********"
+-- Iteration 21 --
+unicode(20) "*********Test string"
+-- Iteration 22 --
+unicode(20) "*********Test string"
+-- Iteration 23 --
+unicode(20) "*********Test string"
+-- Iteration 24 --
+
+Warning: str_pad() expects parameter 4 to be long, object given in %s on line %d
+NULL
+-- Iteration 25 --
+unicode(20) "*********Test string"
+-- Iteration 26 --
+unicode(20) "*********Test string"
+===DONE===

ext/standard/tests/strings/str_pad_variation5.phpt

@@ -0,0 +1,31 @@
+--TEST--
+Test str_pad() function : usage variations - unexpected large value for '$pad_length' argument
+--INI--
+memory_limit=128M
+--SKIPIF--
+<?php
+if (PHP_INT_SIZE != 4) die("skip this test is for 32bit platform only");
+?>
+--FILE--
+<?php
+/* Prototype  : string str_pad  ( string $input  , int $pad_length  [, string $pad_string  [, int $pad_type  ]] )
+ * Description: Pad a string to a certain length with another string
+ * Source code: ext/standard/string.c
+*/
+
+/* Test str_pad() function: with unexpected inputs for '$pad_length' 
+ *  and expected type for '$input'
+*/
+
+echo "*** Testing str_pad() function: with large value for for 'pad_length' argument ***\n";
+
+//defining '$input' argument
+$input = "Test string";
+$pad_length = PHP_INT_MAX;
+var_dump( str_pad($input, $pad_length) );
+
+?>
+--EXPECTF--
+*** Testing str_pad() function: with large value for for 'pad_length' argument ***
+
+Fatal error: Allowed memory size of 134217728 bytes exhausted (tried to allocate 4294967272 bytes) in %s on line %d

ext/standard/tests/strings/str_shuffle_basic.phpt

@@ -0,0 +1,59 @@
+--TEST--
+Test str_shuffle() function : basic functionality 
+--FILE--
+<?php
+/* Prototype  : string str_shuffle  ( string $str  )
+ * Description: Randomly shuffles a string
+ * Source code: ext/standard/string.c
+*/
+
+/*
+ * Testing str_shuffle() : basic functionality
+*/
+
+echo "*** Testing str_shuffle() : basic functionality ***\n";
+
+// Initialize all required variables
+$str = 'This testcase tests the str_shuffle() function.';
+var_dump(str_shuffle($str));
+
+
+// For a given i/p string ensure that all combinations are
+// generated given a reasonable sample of calls 
+$a = array();
+$trys = 1000;
+$ip = 'abcd';
+$len_ip = strlen($ip);
+
+for ($i = 0; $i < $trys; $i++) {
+    $op = str_shuffle($ip);
+    
+    if (!is_string($op) || strlen($op) != $len_ip) {
+    	echo "TEST FAILED\n"; 
+    }	 
+    
+    // Combination already hit ?
+    if (empty($a[$op])) {
+    	// No first time init 
+     	$a[$op] = 0;
+    }
+     	
+    // Increment count for this combination
+    $a[$op]++;
+}
+
+$combinations = count($a);
+
+if ($combinations != 24) {
+	echo "TEST FAILED.. Only $combinations out of a possible 24 combinations used\n";
+} else {
+	echo "TEST PASSED\n";
+}
+
+?>
+===DONE===
+--EXPECTF--
+*** Testing str_shuffle() : basic functionality ***
+unicode(47) "%s"
+TEST PASSED
+===DONE===

ext/standard/tests/strings/str_shuffle_error.phpt

@@ -0,0 +1,33 @@
+--TEST--
+Test str_shuffle() function : error conditions 
+--FILE--
+<?php
+
+/* Prototype  : string str_shuffle  ( string $str  )
+ * Description: Randomly shuffles a string
+ * Source code: ext/standard/string.c
+*/
+echo "*** Testing str_shuffle() : error conditions ***\n";
+
+echo "\n-- Testing str_shuffle() function with no arguments --\n";
+var_dump( str_shuffle() );
+
+echo "\n-- Testing str_shuffle() function with more than expected no. of arguments --\n";
+$extra_arg = 10;
+var_dump( str_shuffle("Hello World", $extra_arg) );
+
+?>
+===DONE===
+--EXPECTF--
+*** Testing str_shuffle() : error conditions ***
+
+-- Testing str_shuffle() function with no arguments --
+
+Warning: str_shuffle() expects exactly 1 parameter, 0 given in %s on line %d
+NULL
+
+-- Testing str_shuffle() function with more than expected no. of arguments --
+
+Warning: str_shuffle() expects exactly 1 parameter, 2 given in %s on line %d
+NULL
+===DONE===

ext/standard/tests/strings/str_shuffle_variation1.phpt

@@ -0,0 +1,135 @@
+--TEST--
+Test str_shuffle() function : usage variations - test values for $haystack argument
+--FILE--
+<?php
+
+/* Prototype  : string str_shuffle  ( string $str  )
+ * Description: Randomly shuffles a string
+ * Source code: ext/standard/string.c
+*/
+
+echo "*** Testing str_shuffle() function: with unexpected inputs for 'string' argument ***\n";
+
+//get an unset variable
+$unset_var = 'string_val';
+unset($unset_var);
+
+//defining a class
+class sample  {
+  public function __toString() {
+    return "sample object";
+  } 
+}
+
+//getting the resource
+$file_handle = fopen(__FILE__, "r");
+
+// array with different values for $input
+$inputs =  array (
+
+		  // integer values
+/*1*/	  0,
+		  1,
+		  -2,
+  		  2147483647,
+		  -2147483648,
+		
+		  // float values
+/*6*/	  10.5,
+		  -20.5,
+		  10.1234567e10,
+		
+		  // array values
+/*9*/	  array(),
+		  array(0),
+		  array(1, 2),
+		
+		  // boolean values
+/*12*/	  true,
+		  false,
+		  TRUE,
+		  FALSE,
+		
+		  // null vlaues
+/*16*/	  NULL,
+		  null,
+		
+		  // objects
+/*18*/	  new sample(),
+		
+		  // resource
+/*19*/	  $file_handle,
+		
+		  // undefined variable
+/*20*/	  @$undefined_var,
+		
+		  // unset variable
+/*21*/	  @$unset_var
+);
+
+
+// loop through with each element of the $inputs array to test str_shuffle() function
+$count = 1;
+foreach($inputs as $input) {
+  echo "-- Iteration $count --\n";
+  var_dump( str_shuffle($input) );
+  $count ++;
+}
+
+fclose($file_handle);  //closing the file handle
+
+?>
+===DONE===
+--EXPECTF--
+*** Testing str_shuffle() function: with unexpected inputs for 'string' argument ***
+-- Iteration 1 --
+unicode(1) "0"
+-- Iteration 2 --
+unicode(1) "1"
+-- Iteration 3 --
+unicode(2) "%s"
+-- Iteration 4 --
+unicode(10) "%s"
+-- Iteration 5 --
+unicode(11) "%s"
+-- Iteration 6 --
+unicode(4) "%s"
+-- Iteration 7 --
+unicode(5) "%s"
+-- Iteration 8 --
+unicode(12) "%s"
+-- Iteration 9 --
+
+Warning: str_shuffle() expects parameter 1 to be string (Unicode or binary), array given in %s on line %d
+NULL
+-- Iteration 10 --
+
+Warning: str_shuffle() expects parameter 1 to be string (Unicode or binary), array given in %s on line %d
+NULL
+-- Iteration 11 --
+
+Warning: str_shuffle() expects parameter 1 to be string (Unicode or binary), array given in %s on line %d
+NULL
+-- Iteration 12 --
+unicode(1) "1"
+-- Iteration 13 --
+unicode(0) ""
+-- Iteration 14 --
+unicode(1) "1"
+-- Iteration 15 --
+unicode(0) ""
+-- Iteration 16 --
+unicode(0) ""
+-- Iteration 17 --
+unicode(0) ""
+-- Iteration 18 --
+unicode(13) "%s"
+-- Iteration 19 --
+
+Warning: str_shuffle() expects parameter 1 to be string (Unicode or binary), resource given in %s on line %d
+NULL
+-- Iteration 20 --
+unicode(0) ""
+-- Iteration 21 --
+unicode(0) ""
+===DONE===

ext/standard/tests/strings/stristr_basic.phpt

@@ -0,0 +1,36 @@
+--TEST--
+Test stristr() function : basic functionality 
+--FILE--
+<?php
+/* Prototype:  string stristr  ( string $haystack  , mixed $needle  [, bool $before_needle  ] )
+   Description: Case-insensitive strstr().
+*/
+
+echo "*** Testing stristr() : basic functionality ***\n";
+
+var_dump( stristr("Test string", "teSt") );
+var_dump( stristr("test stRIng", "striNG") );
+var_dump( stristr("teST StrinG", "stRIn") );
+var_dump( stristr("tesT string", "t S") );
+var_dump( stristr("test strinG", "g") );
+var_dump( bin2hex((binary)stristr(b"te".chr(0).b"St", chr(0))) );
+var_dump( stristr("tEst", "test") );
+var_dump( stristr("teSt", "test") );
+
+var_dump( stristr("Test String", "String", false) );
+var_dump( stristr("Test String", "String", true) );
+?>
+===DONE===
+--EXPECTF--
+*** Testing stristr() : basic functionality ***
+unicode(11) "Test string"
+unicode(6) "stRIng"
+unicode(6) "StrinG"
+unicode(8) "T string"
+unicode(1) "G"
+unicode(6) "005374"
+unicode(4) "tEst"
+unicode(4) "teSt"
+unicode(6) "String"
+unicode(5) "Test "
+===DONE===

ext/standard/tests/strings/stristr_error.phpt

@@ -0,0 +1,60 @@
+--TEST--
+Test stristr() function : error conditions 
+--FILE--
+<?php
+
+/* Prototype: string stristr  ( string $haystack  , mixed $needle  [, bool $before_needle  ] )
+   Description: Case-insensitive strstr()
+*/
+echo "*** Testing stristr() : error conditions ***\n";
+
+echo "\n-- Testing stristr() function with no arguments --\n";
+var_dump( stristr() );
+var_dump( stristr("") );
+
+echo "\n-- Testing stristr() function with no needle --\n";
+var_dump( stristr("Hello World") );  // without "needle"
+
+echo "\n-- Testing stristr() function with more than expected no. of arguments --\n";
+$extra_arg = 10;
+var_dump( stristr("Hello World",  "World", true, $extra_arg) );
+
+echo "\n-- Testing stristr() function with empty haystack --\n";
+var_dump( stristr(NULL, "") );
+
+echo "\n-- Testing stristr() function with empty needle --\n";
+var_dump( stristr("Hello World", "") );
+
+?>
+===DONE===
+--EXPECTF--
+*** Testing stristr() : error conditions ***
+
+-- Testing stristr() function with no arguments --
+
+Warning: stristr() expects at least 2 parameters, 0 given in %s on line %d
+NULL
+
+Warning: stristr() expects at least 2 parameters, 1 given in %s on line %d
+NULL
+
+-- Testing stristr() function with no needle --
+
+Warning: stristr() expects at least 2 parameters, 1 given in %s on line %d
+NULL
+
+-- Testing stristr() function with more than expected no. of arguments --
+
+Warning: stristr() expects at most 3 parameters, 4 given in %s on line %d
+NULL
+
+-- Testing stristr() function with empty haystack --
+
+Warning: stristr(): Empty delimiter in %s on line %d
+bool(false)
+
+-- Testing stristr() function with empty needle --
+
+Warning: stristr(): Empty delimiter in %s on line %d
+bool(false)
+===DONE===

ext/standard/tests/strings/stristr_variation1.phpt

@@ -0,0 +1,131 @@
+--TEST--
+Test stristr() function : usage variations - test values for $haystack argument
+--FILE--
+<?php
+
+/* Prototype: string stristr ( string $haystack, string $needle );
+   Description: Case-insensitive strstr().
+*/
+
+echo "*** Testing stristr() function: with unexpected inputs for 'string' argument ***\n";
+
+//get an unset variable
+$unset_var = 'string_val';
+unset($unset_var);
+
+//defining a class
+class sample  {
+  public function __toString() {
+    return "sample object";
+  } 
+}
+
+//getting the resource
+$file_handle = fopen(__FILE__, "r");
+
+// array with different values for $input
+$inputs =  array (
+
+		  // integer values
+/*1*/	  0,
+		  1,
+		  -2,
+		  -PHP_INT_MAX,
+		
+		  // float values
+/*5*/	  10.5,
+		  -20.5,
+		  10.1234567e10,
+		
+		  // array values
+/*8*/	  array(),
+		  array(0),
+		  array(1, 2),
+		
+		  // boolean values
+/*11*/	  true,
+		  false,
+		  TRUE,
+		  FALSE,
+		
+		  // null vlaues
+/*15*/	  NULL,
+		  null,
+		
+		  // objects
+/*17*/	  new sample(),
+		
+		  // resource
+/*18*/	  $file_handle,
+		
+		  // undefined variable
+/*19*/	  @$undefined_var,
+		
+		  // unset variable
+/*20*/	  @$unset_var
+);
+
+//defining '$pad_length' argument
+$pad_length = "20";
+
+// loop through with each element of the $inputs array to test stristr() function
+$count = 1;
+foreach($inputs as $input) {
+  echo "-- Iteration $count --\n";
+  var_dump( stristr($input, " ") );
+  $count ++;
+}
+
+fclose($file_handle);  //closing the file handle
+
+?>
+===DONE===
+--EXPECTF--
+*** Testing stristr() function: with unexpected inputs for 'string' argument ***
+-- Iteration 1 --
+bool(false)
+-- Iteration 2 --
+bool(false)
+-- Iteration 3 --
+bool(false)
+-- Iteration 4 --
+bool(false)
+-- Iteration 5 --
+bool(false)
+-- Iteration 6 --
+bool(false)
+-- Iteration 7 --
+bool(false)
+-- Iteration 8 --
+
+Notice: Array to string conversion in %s on line %d2
+bool(false)
+-- Iteration 9 --
+
+Notice: Array to string conversion in %s on line %d2
+bool(false)
+-- Iteration 10 --
+
+Notice: Array to string conversion in %s on line %d2
+bool(false)
+-- Iteration 11 --
+bool(false)
+-- Iteration 12 --
+bool(false)
+-- Iteration 13 --
+bool(false)
+-- Iteration 14 --
+bool(false)
+-- Iteration 15 --
+bool(false)
+-- Iteration 16 --
+bool(false)
+-- Iteration 17 --
+unicode(7) " object"
+-- Iteration 18 --
+unicode(%d) " id #%d"
+-- Iteration 19 --
+bool(false)
+-- Iteration 20 --
+bool(false)
+===DONE===

ext/standard/tests/strings/stristr_variation2.phpt

@@ -0,0 +1,135 @@
+--TEST--
+Test stristr() function : usage variations - test values for $needle argument
+--FILE--
+<?php
+
+/* Prototype: string stristr ( string $haystack, string $needle );
+   Description: Case-insensitive strstr().
+*/
+
+echo "*** Testing stristr() function: with unexpected inputs for 'needle' argument ***\n";
+
+//get an unset variable
+$unset_var = 'string_val';
+unset($unset_var);
+
+//defining a class
+class sample  {
+  public function __toString() {
+    return "sample object";
+  } 
+}
+
+//getting the resource
+$file_handle = fopen(__FILE__, "r");
+
+// array with different values for $input
+$inputs =  array (
+
+		  // integer values
+/*1*/	  0,
+		  1,
+		  -2,
+		  -PHP_INT_MAX,
+		
+		  // float values
+/*5*/	  10.5,
+		  -20.5,
+		  10.1234567e10,
+		
+		  // array values
+/*8*/	  array(),
+		  array(0),
+		  array(1, 2),
+		
+		  // boolean values
+/*11*/	  true,
+		  false,
+		  TRUE,
+		  FALSE,
+		
+		  // null vlaues
+/*15*/	  NULL,
+		  null,
+		
+		  // objects
+/*17*/	  new sample(),
+		
+		  // resource
+/*18*/	  $file_handle,
+		
+		  // undefined variable
+/*19*/	  @$undefined_var,
+		
+		  // unset variable
+/*20*/	  @$unset_var
+);
+
+//defining '$pad_length' argument
+$pad_length = "20";
+
+// loop through with each element of the $inputs array to test stristr() function
+$count = 1;
+foreach($inputs as $input) {
+  echo "-- Iteration $count --\n";
+  var_dump( stristr("Hello World", $input) );
+  $count ++;
+}
+
+fclose($file_handle);  //closing the file handle
+
+?>
+===DONE===
+--EXPECTF--
+*** Testing stristr() function: with unexpected inputs for 'needle' argument ***
+-- Iteration 1 --
+bool(false)
+-- Iteration 2 --
+bool(false)
+-- Iteration 3 --
+
+Warning: Needle argument codepoint value out of range (0 - 0x10FFFF) in %s on line %d
+bool(false)
+-- Iteration 4 --
+
+Warning: Needle argument codepoint value out of range (0 - 0x10FFFF) in %s on line %d
+bool(false)
+-- Iteration 5 --
+bool(false)
+-- Iteration 6 --
+
+Warning: Needle argument codepoint value out of range (0 - 0x10FFFF) in %s on line %d
+bool(false)
+-- Iteration 7 --
+
+Warning: Needle argument codepoint value out of range (0 - 0x10FFFF) in %s on line %d
+bool(false)
+-- Iteration 8 --
+bool(false)
+-- Iteration 9 --
+bool(false)
+-- Iteration 10 --
+bool(false)
+-- Iteration 11 --
+bool(false)
+-- Iteration 12 --
+bool(false)
+-- Iteration 13 --
+bool(false)
+-- Iteration 14 --
+bool(false)
+-- Iteration 15 --
+bool(false)
+-- Iteration 16 --
+bool(false)
+-- Iteration 17 --
+
+Notice: Object of class sample could not be converted to int in %s on line %d
+bool(false)
+-- Iteration 18 --
+bool(false)
+-- Iteration 19 --
+bool(false)
+-- Iteration 20 --
+bool(false)
+===DONE===

ext/standard/tests/strings/strlen_basic.phpt

@@ -0,0 +1,24 @@
+--TEST--
+Test strlen() function : basic functionality 
+--FILE--
+<?php
+
+/* Prototype  : int strlen  ( string $string  )
+ * Description: Get string length
+ * Source code: ext/standard/string.c
+*/
+
+echo "*** Testing strlen() : basic functionality ***\n";
+var_dump(strlen("abcdef"));
+var_dump(strlen(" ab de "));
+var_dump(strlen(""));
+var_dump(strlen("\x90\x91\x00\x93\x94\x90\x91\x95\x96\x97\x98\x99\x9a\x9b\x9c\x9d\x9e\x9f"));
+?>
+===DONE===
+--EXPECTF--
+*** Testing strlen() : basic functionality ***
+int(6)
+int(7)
+int(0)
+int(18)
+===DONE===

ext/standard/tests/strings/strlen_error.phpt

@@ -0,0 +1,33 @@
+--TEST--
+Test strlen() function :  error conditions 
+--FILE--
+<?php
+
+/* Prototype  : int strlen  ( string $string  )
+ * Description: Get string length
+ * Source code: ext/standard/string.c
+*/
+
+echo "*** Testing strlen() : unexpected number of arguments ***";
+
+
+echo "\n-- Testing strlen() function with no arguments --\n";
+var_dump( strlen() );
+
+echo "\n-- Testing strlen() function with more than expected no. of arguments --\n";
+$extra_arg = 10;
+var_dump( strlen("abc def", $extra_arg) );
+?>
+===DONE===
+--EXPECTF--
+*** Testing strlen() : unexpected number of arguments ***
+-- Testing strlen() function with no arguments --
+
+Warning: strlen() expects exactly 1 parameter, 0 given in %s on line %d
+NULL
+
+-- Testing strlen() function with more than expected no. of arguments --
+
+Warning: strlen() expects exactly 1 parameter, 2 given in %s on line %d
+NULL
+===DONE===

ext/standard/tests/strings/strlen_variation1.phpt

@@ -0,0 +1,137 @@
+--TEST--
+Test strlen() function : usage variations - unexpected input for '$string' argument
+--FILE--
+<?php
+
+/* Prototype  : int strlen  ( string $string  )
+ * Description: Get string length
+ * Source code: ext/standard/string.c
+*/
+
+echo "*** Testing strlen() : with unexpected input for 'string' argument ***\n";
+
+//get an unset variable
+$unset_var = 'string_val';
+unset($unset_var);
+
+//defining a class
+class sample  {
+  public function __toString() {
+    return "sample object";
+  } 
+}
+
+//getting the resource
+$file_handle = fopen(__FILE__, "r");
+
+// array with different values for $input
+$inputs =  array (
+
+		  // integer values
+/*1*/	  0,
+		  1,
+		  -2,
+		  2147483647,
+		  -2147483648,
+		
+		  // float values
+/*6*/	  10.5,
+		  -20.5,
+		  10.1234567e10,
+		
+		  // array values
+/*9*/	  array(),
+		  array(0),
+		  array(1, 2),
+		
+		  // boolean values
+/*12*/	  true,
+		  false,
+		  TRUE,
+		  FALSE,
+		
+		  // null values
+/*16*/	  NULL,
+		  null,
+		
+		  // objects
+/*18*/	  new sample(),
+		
+		  // resource
+/*19*/	  $file_handle,
+		
+		  // undefined variable
+/*20*/	  @$undefined_var,
+		
+		  // unset variable
+/*21*/	  @$unset_var
+);
+
+//defining '$pad_length' argument
+$pad_length = "20";
+
+// loop through with each element of the $inputs array to test strlen() function
+$count = 1;
+foreach($inputs as $input) {
+  echo "-- Iteration $count --\n";
+  var_dump( strlen($input) );
+  $count ++;
+}
+
+fclose($file_handle);  //closing the file handle
+
+?>
+===Done===
+--EXPECTF--
+*** Testing strlen() : with unexpected input for 'string' argument ***
+-- Iteration 1 --
+int(1)
+-- Iteration 2 --
+int(1)
+-- Iteration 3 --
+int(2)
+-- Iteration 4 --
+int(10)
+-- Iteration 5 --
+int(11)
+-- Iteration 6 --
+int(4)
+-- Iteration 7 --
+int(5)
+-- Iteration 8 --
+int(12)
+-- Iteration 9 --
+
+Warning: strlen() expects parameter 1 to be string (Unicode or binary), array given in %s on line %d
+NULL
+-- Iteration 10 --
+
+Warning: strlen() expects parameter 1 to be string (Unicode or binary), array given in %s on line %d
+NULL
+-- Iteration 11 --
+
+Warning: strlen() expects parameter 1 to be string (Unicode or binary), array given in %s on line %d
+NULL
+-- Iteration 12 --
+int(1)
+-- Iteration 13 --
+int(0)
+-- Iteration 14 --
+int(1)
+-- Iteration 15 --
+int(0)
+-- Iteration 16 --
+int(0)
+-- Iteration 17 --
+int(0)
+-- Iteration 18 --
+int(13)
+-- Iteration 19 --
+
+Warning: strlen() expects parameter 1 to be string (Unicode or binary), resource given in %s on line %d
+NULL
+-- Iteration 20 --
+int(0)
+-- Iteration 21 --
+int(0)
+===Done===

ext/standard/tests/strings/strtr_variation5.phpt

@@ -31,42 +31,42 @@ $file_handle = fopen(__FILE__, "r");
 // array with different values
 $strings =  array (
 
-  // integer values
-  0,
-  1,
-  -2,
-
-  // float values
-  10.5,
-  -20.5,
-  10.5e10,
-
-  // array values
-  array(),
-  array(0),
-  array(1, 2),
-
-  // boolean values
-  true,
-  false,
-  TRUE,
-  FALSE,
-
-  // null vlaues
-  NULL,
-  null,
-
-  // objects
-  new sample(),
-
-  // resource
-  $file_handle,
-
-  // undefined variable
-  @$undefined_var,
-
-  // unset variable
-  @$unset_var
+		  // integer values
+/*1*/	  0,
+		  1,
+		  -2,
+		
+		  // float values
+/*4*/	  10.5,
+		  -20.5,
+		  10.1234567e10,
+		
+		  // array values
+/*7*/	  array(),
+		  array(0),
+		  array(1, 2),
+		
+		  // boolean values
+/*10*/	  true,
+		  false,
+		  TRUE,
+		  FALSE,
+		
+		  // null vlaues
+/*14*/	  NULL,
+		  null,
+		
+		  // objects
+/*16*/	  new sample(),
+		
+		  // resource
+/*17*/	  $file_handle,
+		
+		  // undefined variable
+/*18*/	  @$undefined_var,
+		
+		  // unset variable
+/*19*/	  @$unset_var
 );
 
 //defining 'from' argument
@@ -86,8 +86,8 @@ for($index = 0; $index < count($strings); $index++) {
 
 fclose($file_handle);  //closing the file handle
 
-echo "*** Done ***";
 ?>
+===DONE===
 --EXPECTF--
 *** Testing strtr() function: with unexpected inputs for 'str' ***
 -- Iteration 1 --
@@ -101,7 +101,7 @@ unicode(4) "ta.5"
 -- Iteration 5 --
 unicode(5) "-ma.5"
 -- Iteration 6 --
-unicode(12) "ta5aaaaaaaaa"
+unicode(12) "tatm34567aaa"
 -- Iteration 7 --
 
 Warning: strtr() expects parameter 1 to be string (Unicode or binary), array given in %s on line %d
@@ -136,4 +136,4 @@ NULL
 unicode(0) ""
 -- Iteration 19 --
 unicode(0) ""
-*** Done ***
+===DONE===

ext/standard/tests/strings/strtr_variation6.phpt

@@ -1,5 +1,5 @@
 --TEST--
-Test strtr() function : usage variations - unexpected inputs for 'from' argument(Bug #42861)
+Test strtr() function : usage variations - unexpected inputs for 'from' argument
 --FILE--
 <?php
 /* Prototype  : string strtr(string $str, string $from[, string $to]);
@@ -34,42 +34,42 @@ $str = "012atm";
 // array of values for 'from'
 $from_arr =  array (
 
-  // integer values
-  0,
-  1,
-  -2,
-
-  // float values
-  10.5,
-  -20.5,
-  10.5e10,
-
-  // array values
-  array(),
-  array(0),
-  array(1, 2),
-
-  // boolean values
-  true,
-  false,
-  TRUE,
-  FALSE,
-
-  // null vlaues
-  NULL,
-  null,
-
-  // objects
-  new sample(),
-
-  // resource
-  $file_handle,
-
-  // undefined variable
-  @$undefined_var,
-
-  // unset variable
-  @$unset_var
+		  // integer values
+/*1*/	  0,
+		  1,
+		  -2,
+		
+		  // float values
+/*4*/	  10.5,
+		  -20.5,
+		  10.1234567e10,
+		
+		  // array values
+/*7*/	  array(),
+		  array(0),
+		  array(1, 2),
+		
+		  // boolean values
+/*10*/	  true,
+		  false,
+		  TRUE,
+		  FALSE,
+		
+		  // null vlaues
+/*14*/	  NULL,
+		  null,
+		
+		  // objects
+/*16*/	  new sample(),
+		
+		  // resource
+/*17*/	  $file_handle,
+		
+		  // undefined variable
+/*18*/	  @$undefined_var,
+		
+		  // unset variable
+/*19*/	  @$unset_var
 );
 
 //defining 'to' argument
@@ -85,9 +85,8 @@ for($index = 0; $index < count($from_arr); $index++) {
 }
 
 fclose($file_handle);  //closing the file handle
-
-echo "*** Done ***";
 ?>
+===DONE===
 --EXPECTF--
 *** Testing strtr() function: with unexpected inputs for 'from' ***
 -- Iteration 1 --
@@ -101,7 +100,7 @@ unicode(6) "ta2atm"
 -- Iteration 5 --
 unicode(6) "m1tatm"
 -- Iteration 6 --
-unicode(6) "2a2atm"
+unicode(6) "tm0atm"
 -- Iteration 7 --
 
 Notice: Array to string conversion in %s on line %d
@@ -134,4 +133,4 @@ unicode(6) "012atm"
 unicode(6) "012atm"
 -- Iteration 19 --
 unicode(6) "012atm"
-*** Done ***
+===DONE===

ext/standard/tests/strings/strtr_variation7.phpt

@@ -1,5 +1,5 @@
 --TEST--
-Test strtr() function : usage variations - unexpected inputs for 'to' argument(Bug #42861)
+Test strtr() function : usage variations - unexpected inputs for 'to' argument
 --FILE--
 <?php
 /* Prototype  : string strtr(string $str, string $from[, string $to]);
@@ -37,42 +37,42 @@ $from = "atm012";
 // array of values for 'to' argument
 $to_arr =  array (
 
-  // integer values
-  0,
-  1,
-  -2,
-
-  // float values
-  10.5,
-  -20.5,
-  10.5e10,
-
-  // array values
-  array(),
-  array(0),
-  array(1, 2),
-
-  // boolean values
-  true,
-  false,
-  TRUE,
-  FALSE,
-
-  // null vlaues
-  NULL,
-  null,
-
-  // objects
-  new sample(),
-
-  // resource
-  $file_handle,
-
-  // undefined variable
-  @$undefined_var,
-
-  // unset variable
-  @$unset_var
+		  // integer values
+/*1*/	  0,
+		  1,
+		  -2,
+		
+		  // float values
+/*4*/	  10.5,
+		  -20.5,
+		  10.12345675e10,
+		
+		  // array values
+/*7*/	  array(),
+		  array(0),
+		  array(1, 2),
+		
+		  // boolean values
+/*10*/	  true,
+		  false,
+		  TRUE,
+		  FALSE,
+		
+		  // null vlaues
+/*14*/	  NULL,
+		  null,
+		
+		  // objects
+/*16*/	  new sample(),
+		
+		  // resource
+/*17*/	  $file_handle,
+		
+		  // undefined variable
+/*18*/	  @$undefined_var,
+		
+		  // unset variable
+/*19*/	  @$unset_var
 );
 
 // loop through with each element of the $to array to test strtr() function
@@ -86,8 +86,8 @@ for($index = 0; $index < count($to_arr); $index++) {
 
 fclose($file_handle);  //closing the file handle
 
-echo "*** Done ***";
 ?>
+===DONE===
 --EXPECTF--
 *** Testing strtr() function: with unexpected inputs for 'to' ***
 
@@ -107,7 +107,7 @@ unicode(6) "51210."
 unicode(6) ".52-20"
 
 -- Iteration 6 --
-unicode(6) "000105"
+unicode(6) "234101"
 
 -- Iteration 7 --
 
@@ -155,4 +155,4 @@ unicode(6) "012atm"
 
 -- Iteration 19 --
 unicode(6) "012atm"
-*** Done ***
+===DONE===

ext/standard/tests/strings/strtr_variation9.phpt

@@ -19,7 +19,7 @@ unset($unset_var);
 //defining a class
 class sample  {
   public function __toString() {
-    return "My String";
+    return "sample object";
   } 
 }
 
@@ -29,44 +29,44 @@ $file_handle = fopen(__FILE__, "r");
 // array with different values
 $values =  array (
 
-  // integer values
-  0,
-  1,
-  -2,
-
-  // float values
-  10.5,
-  -20.5,
-  10.5e10,
-
-  // array values
-  array(),
-  array(0),
-  array(1),
-  array(1, 2),
-  array('color' => 'red', 'item' => 'pen'),
-
-  // boolean values
-  true,
-  false,
-  TRUE,
-  FALSE,
-
-  // null vlaues
-  NULL,
-  null,
-
-  // objects
-  new sample(),
-
-  // resource
-  $file_handle,
-
-  // undefined variable
-  @$undefined_var,
-
-  // unset variable
-  @$unset_var
+		  // integer values
+/*1*/	  0,
+		  1,
+		  -2,
+		
+		  // float values
+/*4*/	  10.5,
+		  -20.5,
+		  10.1234567e10,
+		
+		  // array values
+/*7*/	  array(),
+		  array(0),
+		  array(1),
+		  array(1, 2),
+		  array('color' => 'red', 'item' => 'pen'),
+		
+		  // boolean values
+/*12*/	  true,
+		  false,
+		  TRUE,
+		  FALSE,
+		
+		  // null vlaues
+/*16*/	  NULL,
+		  null,
+		
+		  // objects
+/*18*/	  new sample(),
+		
+		  // resource
+/*19*/	  $file_handle,
+		
+		  // undefined variable
+/*20*/	  @$undefined_var,
+		
+		  // unset variable
+/*21*/	  @$unset_var
 );
 
 // loop through with each element of the $values array to test strtr() function
@@ -80,8 +80,8 @@ for($index = 0; $index < count($values); $index++) {
 
 fclose($file_handle);  //closing the file handle
 
-echo "*** Done ***";
 ?>
+===DONE===
 --EXPECTF--
 *** Testing strtr() function: with unexpected inputs for all arguments ***
 
@@ -116,7 +116,7 @@ Warning: strtr(): The second argument is not an array in %s on line %d
 bool(false)
 
 -- Iteration 6 --
-unicode(12) "105000000000"
+unicode(12) "101234567000"
 
 Warning: strtr(): The second argument is not an array in %s on line %d
 bool(false)
@@ -198,7 +198,7 @@ Warning: strtr(): The second argument is not an array in %s on line %d
 bool(false)
 
 -- Iteration 18 --
-unicode(9) "My String"
+unicode(13) "sample object"
 
 Warning: strtr(): The second argument is not an array in %s on line %d
 bool(false)
@@ -222,4 +222,4 @@ unicode(0) ""
 
 Warning: strtr(): The second argument is not an array in %s on line %d
 bool(false)
-*** Done ***
+===DONE===