New testcases for strftime function

ext/date/tests/strftime_basic.phpt

@@ -0,0 +1,30 @@
+--TEST--
+Test strftime() function : basic functionality 
+--FILE--
+<?php
+/* Prototype  : string strftime(string format [, int timestamp])
+ * Description: Format a local time/date according to locale settings 
+ * Source code: ext/date/php_date.c
+ * Alias to functions: 
+ */
+
+echo "*** Testing strftime() : basic functionality ***\n";
+
+date_default_timezone_set("Asia/Calcutta");
+// Initialise all required variables
+$format = '%b %d %Y %H:%M:%S';
+$timestamp = mktime(8, 8, 8, 8, 8, 2008);
+
+// Calling strftime() with all possible arguments
+var_dump( strftime($format, $timestamp) );
+
+// Calling strftime() with mandatory arguments
+var_dump( strftime($format) );
+
+?>
+===DONE===
+--EXPECTF--
+*** Testing strftime() : basic functionality ***
+unicode(20) "Aug 08 2008 08:08:08"
+unicode(%d) "%s %d %d %d:%d:%d"
+===DONE===

ext/date/tests/strftime_error.phpt

@@ -0,0 +1,30 @@
+--TEST--
+Test strftime() function : error conditions 
+--FILE--
+<?php
+/* Prototype  : string strftime(string format [, int timestamp])
+ * Description: Format a local time/date according to locale settings 
+ * Source code: ext/date/php_date.c
+ * Alias to functions: 
+ */
+
+echo "*** Testing strftime() : error conditions ***\n";
+
+date_default_timezone_set("Asia/Calcutta");
+//Test strftime with one more than the expected number of arguments
+echo "\n-- Testing strftime() function with more than expected no. of arguments --\n";
+$format = '%b %d %Y %H:%M:%S';
+$timestamp = mktime(8, 8, 8, 8, 8, 2008);
+$extra_arg = 10;
+var_dump( strftime($format, $timestamp, $extra_arg) );
+
+?>
+===DONE===
+--EXPECTF--
+*** Testing strftime() : error conditions ***
+
+-- Testing strftime() function with more than expected no. of arguments --
+
+Warning: strftime() expects at most 2 parameters, 3 given in %s on line %d
+bool(false)
+===DONE===

ext/date/tests/strftime_variation1.phpt

@@ -0,0 +1,222 @@
+--TEST--
+Test strftime() function : usage variation - Passing unexpected values to first argument 'format'.
+--FILE--
+<?php
+/* Prototype  : string strftime(string format [, int timestamp])
+ * Description: Format a local time/date according to locale settings 
+ * Source code: ext/date/php_date.c
+ * Alias to functions: 
+ */
+
+echo "*** Testing strftime() : usage variation ***\n";
+
+date_default_timezone_set("Asia/Calcutta");
+
+// Initialise function arguments not being substituted (if any)
+$timestamp = 10;
+
+//get an unset variable
+$unset_var = 10;
+unset ($unset_var);
+
+// define some classes
+class classWithToString
+{
+	public function __toString() {
+		return "Class A object";
+	}
+}
+
+class classWithoutToString
+{
+}
+
+// heredoc string
+$heredoc = <<<EOT
+hello world
+EOT;
+
+// add arrays
+$index_array = array (1, 2, 3);
+$assoc_array = array ('one' => 1, 'two' => 2);
+
+//array of values to iterate over
+$inputs = array(
+
+      // int data
+      'int 0' => 0,
+      'int 1' => 1,
+      'int 12345' => 12345,
+      'int -12345' => -12345,
+
+      // float data
+      'float 10.5' => 10.5,
+      'float -10.5' => -10.5,
+      'float 12.3456789000e10' => 12.3456789000e10,
+      'float -12.3456789000e10' => -12.3456789000e10,
+      'float .5' => .5,
+
+      // array data
+      'empty array' => array(),
+      'int indexed array' => $index_array,
+      'associative array' => $assoc_array,
+      'nested arrays' => array('foo', $index_array, $assoc_array),
+
+      // null data
+      'uppercase NULL' => NULL,
+      'lowercase null' => null,
+
+      // boolean data
+      'lowercase true' => true,
+      'lowercase false' =>false,
+      'uppercase TRUE' =>TRUE,
+      'uppercase FALSE' =>FALSE,
+
+      // empty data
+      'empty string DQ' => "",
+      'empty string SQ' => '',
+
+      // object data
+      'instance of classWithToString' => new classWithToString(),
+      'instance of classWithoutToString' => new classWithoutToString(),
+
+      // undefined data
+      'undefined var' => @$undefined_var,
+
+      // unset data
+      'unset var' => @$unset_var,
+);
+
+// loop through each element of the array for format
+
+foreach($inputs as $key =>$value) {
+      echo "\n--$key--\n";
+      var_dump( strftime($value) );
+      var_dump( strftime($value, $timestamp) );
+};
+
+?>
+===DONE===
+--EXPECTF--
+*** Testing strftime() : usage variation ***
+
+--int 0--
+unicode(1) "0"
+unicode(1) "0"
+
+--int 1--
+unicode(1) "1"
+unicode(1) "1"
+
+--int 12345--
+unicode(5) "12345"
+unicode(5) "12345"
+
+--int -12345--
+unicode(6) "-12345"
+unicode(6) "-12345"
+
+--float 10.5--
+unicode(4) "10.5"
+unicode(4) "10.5"
+
+--float -10.5--
+unicode(5) "-10.5"
+unicode(5) "-10.5"
+
+--float 12.3456789000e10--
+unicode(12) "123456789000"
+unicode(12) "123456789000"
+
+--float -12.3456789000e10--
+unicode(13) "-123456789000"
+unicode(13) "-123456789000"
+
+--float .5--
+unicode(3) "0.5"
+unicode(3) "0.5"
+
+--empty array--
+
+Warning: strftime() expects parameter 1 to be binary string, array given in %s on line %d
+bool(false)
+
+Warning: strftime() expects parameter 1 to be binary string, array given in %s on line %d
+bool(false)
+
+--int indexed array--
+
+Warning: strftime() expects parameter 1 to be binary string, array given in %s on line %d
+bool(false)
+
+Warning: strftime() expects parameter 1 to be binary string, array given in %s on line %d
+bool(false)
+
+--associative array--
+
+Warning: strftime() expects parameter 1 to be binary string, array given in %s on line %d
+bool(false)
+
+Warning: strftime() expects parameter 1 to be binary string, array given in %s on line %d
+bool(false)
+
+--nested arrays--
+
+Warning: strftime() expects parameter 1 to be binary string, array given in %s on line %d
+bool(false)
+
+Warning: strftime() expects parameter 1 to be binary string, array given in %s on line %d
+bool(false)
+
+--uppercase NULL--
+bool(false)
+bool(false)
+
+--lowercase null--
+bool(false)
+bool(false)
+
+--lowercase true--
+unicode(1) "1"
+unicode(1) "1"
+
+--lowercase false--
+bool(false)
+bool(false)
+
+--uppercase TRUE--
+unicode(1) "1"
+unicode(1) "1"
+
+--uppercase FALSE--
+bool(false)
+bool(false)
+
+--empty string DQ--
+bool(false)
+bool(false)
+
+--empty string SQ--
+bool(false)
+bool(false)
+
+--instance of classWithToString--
+unicode(14) "Class A object"
+unicode(14) "Class A object"
+
+--instance of classWithoutToString--
+
+Warning: strftime() expects parameter 1 to be binary string, object given in %s on line %d
+bool(false)
+
+Warning: strftime() expects parameter 1 to be binary string, object given in %s on line %d
+bool(false)
+
+--undefined var--
+bool(false)
+bool(false)
+
+--unset var--
+bool(false)
+bool(false)
+===DONE===

ext/date/tests/strftime_variation10.phpt

@@ -0,0 +1,50 @@
+--TEST--
+Test strftime() function : usage variation - Checking week related formats which are supported other than on Windows.
+--SKIPIF--
+<?php
+if (strtoupper(substr(PHP_OS, 0, 3)) == 'WIN') {
+    die("skip Test is not valid for Windows");
+}
+?>
+--FILE--
+<?php
+/* Prototype  : string strftime(string format [, int timestamp])
+ * Description: Format a local time/date according to locale settings 
+ * Source code: ext/date/php_date.c
+ * Alias to functions: 
+ */
+
+echo "*** Testing strftime() : usage variation ***\n";
+
+// Initialise function arguments not being substituted (if any)
+locale_set_default("en_US");
+date_default_timezone_set("Asia/Calcutta");
+$timestamp = mktime(8, 8, 8, 8, 8, 2008);
+
+//array of values to iterate over
+$inputs = array(
+	  'The ISO 8601:1988 week number' => "%V",
+	  'Weekday as decimal' => "%u",
+);
+
+// loop through each element of the array for timestamp
+
+foreach($inputs as $key =>$value) {
+	echo "\n--$key--\n";
+	var_dump( strftime($value) );
+	var_dump( strftime($value, $timestamp) );
+}	
+
+?>
+===DONE===
+--EXPECTF--
+*** Testing strftime() : usage variation ***
+
+--The ISO 8601:1988 week number--
+unicode(%d) "%d"
+unicode(2) "32"
+
+--Weekday as decimal--
+unicode(%d) "%d"
+unicode(1) "5"
+===DONE===

ext/date/tests/strftime_variation11.phpt

@@ -0,0 +1,37 @@
+--TEST--
+Test strftime() function : usage variation - Checking month related formats which are not supported on Windows.
+--SKIPIF--
+<?php
+if (strtoupper(substr(PHP_OS, 0, 3)) != 'WIN') {
+    die("skip Test is valid for Windows");
+}
+?>
+--FILE--
+<?php
+/* Prototype  : string strftime(string format [, int timestamp])
+ * Description: Format a local time/date according to locale settings 
+ * Source code: ext/date/php_date.c
+ * Alias to functions: 
+ */
+
+echo "*** Testing strftime() : usage variation ***\n";
+
+// Initialise function arguments not being substituted (if any)
+locale_set_default("en_US");
+date_default_timezone_set("Asia/Calcutta");
+$timestamp = mktime(8, 8, 8, 8, 8, 2008);
+
+echo "\n-- Testing strftime() function with  Abbreviated month name format %h --\n";
+$format = "%h";
+var_dump( strftime($format) );
+var_dump( strftime($format, $timestamp) );
+
+?>
+===DONE===
+--EXPECTF--
+*** Testing strftime() : usage variation ***
+
+-- Testing strftime() function with  Abbreviated month name format %h --
+bool(false)
+bool(false)
+===DONE===

ext/date/tests/strftime_variation12.phpt

@@ -0,0 +1,37 @@
+--TEST--
+Test strftime() function : usage variation - Checking month related formats which are supported other than on Windows.
+--SKIPIF--
+<?php
+if (strtoupper(substr(PHP_OS, 0, 3)) == 'WIN') {
+    die("skip Test is not valid for Windows");
+}
+?>
+--FILE--
+<?php
+/* Prototype  : string strftime(string format [, int timestamp])
+ * Description: Format a local time/date according to locale settings 
+ * Source code: ext/date/php_date.c
+ * Alias to functions: 
+ */
+
+echo "*** Testing strftime() : usage variation ***\n";
+
+// Initialise function arguments not being substituted (if any)
+locale_set_default("en_US");
+date_default_timezone_set("Asia/Calcutta");
+$timestamp = mktime(8, 8, 8, 8, 8, 2008);
+
+echo "\n-- Testing strftime() function with  Abbreviated month name format %h --\n";
+$format = "%h";
+var_dump( strftime($format) );
+var_dump( strftime($format, $timestamp) );
+
+?>
+===DONE===
+--EXPECTF--
+*** Testing strftime() : usage variation ***
+
+-- Testing strftime() function with  Abbreviated month name format %h --
+unicode(%d) "%s"
+unicode(3) "Aug"
+===DONE===

ext/date/tests/strftime_variation13.phpt

@@ -0,0 +1,60 @@
+--TEST--
+Test strftime() function : usage variation - Checking date related formats which are not supported on Windows.
+--SKIPIF--
+<?php
+if (strtoupper(substr(PHP_OS, 0, 3)) != 'WIN') {
+    die("skip Test is valid for Windows");
+}
+?>
+--FILE--
+<?php
+/* Prototype  : string strftime(string format [, int timestamp])
+ * Description: Format a local time/date according to locale settings 
+ * Source code: ext/date/php_date.c
+ * Alias to functions: 
+ */
+
+echo "*** Testing strftime() : usage variation ***\n";
+
+// Initialise function arguments not being substituted (if any)
+locale_set_default("en_US");
+date_default_timezone_set("Asia/Calcutta");
+$timestamp = mktime(8, 8, 8, 8, 8, 2008);
+
+//array of values to iterate over
+$inputs = array(
+	  'Century number' => "%C",
+	  'Month Date Year' => "%D",
+	  'Year with century' => "%G",
+	  'Year without century' => "%g",
+);
+
+// loop through each element of the array for timestamp
+
+foreach($inputs as $key =>$value) {
+      echo "\n--$key--\n";
+	  var_dump( strftime($value) );
+	  var_dump( strftime($value, $timestamp) );
+}	  
+
+?>
+===DONE===
+--EXPECTF--
+*** Testing strftime() : usage variation ***
+
+--Century number--
+bool(false)
+bool(false)
+
+--Month Date Year--
+bool(false)
+bool(false)
+
+--Year with century--
+bool(false)
+bool(false)
+
+--Year without century--
+bool(false)
+bool(false)
+===DONE===

ext/date/tests/strftime_variation14.phpt

@@ -0,0 +1,60 @@
+--TEST--
+Test strftime() function : usage variation - Checking date related formats which are supported other than on Windows.
+--SKIPIF--
+<?php
+if (strtoupper(substr(PHP_OS, 0, 3)) == 'WIN') {
+    die("skip Test is not valid for Windows");
+}
+?>
+--FILE--
+<?php
+/* Prototype  : string strftime(string format [, int timestamp])
+ * Description: Format a local time/date according to locale settings 
+ * Source code: ext/date/php_date.c
+ * Alias to functions: 
+ */
+
+echo "*** Testing strftime() : usage variation ***\n";
+
+// Initialise function arguments not being substituted (if any)
+locale_set_default("en_US");
+date_default_timezone_set("Asia/Calcutta");
+$timestamp = mktime(8, 8, 8, 8, 8, 2008);
+
+//array of values to iterate over
+$inputs = array(
+	  'Century number' => "%C",
+	  'Month Date Year' => "%D",
+	  'Year with century' => "%G",
+	  'Year without century' => "%g",
+);
+
+// loop through each element of the array for timestamp
+
+foreach($inputs as $key =>$value) {
+      echo "\n--$key--\n";
+	  var_dump( strftime($value) );
+	  var_dump( strftime($value, $timestamp) );
+}	  
+
+?>
+===DONE===
+--EXPECTF--
+*** Testing strftime() : usage variation ***
+
+--Century number--
+unicode(%d) "%d"
+unicode(2) "20"
+
+--Month Date Year--
+unicode(%d) "%d/%d/%d"
+unicode(8) "08/08/08"
+
+--Year with century--
+unicode(%d) "%d"
+unicode(4) "2008"
+
+--Year without century--
+unicode(%d) "%d"
+unicode(2) "08"
+===DONE===

ext/date/tests/strftime_variation15.phpt

@@ -0,0 +1,55 @@
+--TEST--
+Test strftime() function : usage variation - Checking time related formats which are not supported on Windows.
+--SKIPIF--
+<?php
+if (strtoupper(substr(PHP_OS, 0, 3)) != 'WIN') {
+    die("skip Test is valid for Windows");
+}
+?>
+--FILE--
+<?php
+/* Prototype  : string strftime(string format [, int timestamp])
+ * Description: Format a local time/date according to locale settings 
+ * Source code: ext/date/php_date.c
+ * Alias to functions: 
+ */
+
+echo "*** Testing strftime() : usage variation ***\n";
+
+// Initialise function arguments not being substituted (if any)
+locale_set_default("en_US");
+date_default_timezone_set("Asia/Calcutta");
+$timestamp = mktime(8, 8, 8, 8, 8, 2008);
+
+//array of values to iterate over
+$inputs = array(
+	  'Time in a.m/p.m notation' => "%r",
+	  'Time in 24 hour notation' => "%R",
+	  'Current time %H:%M:%S format' => "%T",
+);
+
+// loop through each element of the array for timestamp
+
+foreach($inputs as $key =>$value) {
+      echo "\n--$key--\n";
+	  var_dump( strftime($value) );
+	  var_dump( strftime($value, $timestamp) );
+}	  
+
+?>
+===DONE===
+--EXPECTF--
+*** Testing strftime() : usage variation ***
+
+--Time in a.m/p.m notation--
+bool(false)
+bool(false)
+
+--Time in 24 hour notation--
+bool(false)
+bool(false)
+
+--Current time %H:%M:%S format--
+bool(false)
+bool(false)
+===DONE===

ext/date/tests/strftime_variation16.phpt

@@ -0,0 +1,55 @@
+--TEST--
+Test strftime() function : usage variation - Checking time related formats which are supported other than on Windows.
+--SKIPIF--
+<?php
+if (strtoupper(substr(PHP_OS, 0, 3)) == 'WIN') {
+    die("skip Test is not valid for Windows");
+}
+?>
+--FILE--
+<?php
+/* Prototype  : string strftime(string format [, int timestamp])
+ * Description: Format a local time/date according to locale settings 
+ * Source code: ext/date/php_date.c
+ * Alias to functions: 
+ */
+
+echo "*** Testing strftime() : usage variation ***\n";
+
+// Initialise function arguments not being substituted (if any)
+locale_set_default("en_US");
+date_default_timezone_set("Asia/Calcutta");
+$timestamp = mktime(8, 8, 8, 8, 8, 2008);
+
+//array of values to iterate over
+$inputs = array(
+	  'Time in a.m/p.m notation' => "%r",
+	  'Time in 24 hour notation' => "%R",
+	  'Current time %H:%M:%S format' => "%T",
+);
+
+// loop through each element of the array for timestamp
+
+foreach($inputs as $key =>$value) {
+      echo "\n--$key--\n";
+	  var_dump( strftime($value) );
+	  var_dump( strftime($value, $timestamp) );
+}	  
+
+?>
+===DONE===
+--EXPECTF--
+*** Testing strftime() : usage variation ***
+
+--Time in a.m/p.m notation--
+unicode(%d) "%d:%d:%d %s"
+unicode(11) "08:08:08 AM"
+
+--Time in 24 hour notation--
+unicode(%d) "%d:%d"
+unicode(5) "08:08"
+
+--Current time %H:%M:%S format--
+unicode(%d) "%d:%d:%d"
+unicode(8) "08:08:08"
+===DONE===

ext/date/tests/strftime_variation17.phpt

@@ -0,0 +1,36 @@
+--TEST--
+Test strftime() function : usage variation - Checking day related formats which are not supported on Windows.
+--SKIPIF--
+<?php
+if (strtoupper(substr(PHP_OS, 0, 3)) != 'WIN') {
+    die("skip Test is valid for Windows");
+}
+?>
+--FILE--
+<?php
+/* Prototype  : string strftime(string format [, int timestamp])
+ * Description: Format a local time/date according to locale settings 
+ * Source code: ext/date/php_date.c
+ * Alias to functions: 
+ */
+
+echo "*** Testing strftime() : usage variation ***\n";
+
+// Initialise function arguments not being substituted (if any)
+locale_set_default("en_US");
+date_default_timezone_set("Asia/Calcutta");
+$timestamp = mktime(8, 8, 8, 8, 8, 2008);
+
+echo "\n-- Testing strftime() function with Day of the month as decimal single digit format --\n";
+$format = "%e";
+var_dump( strftime($format) );
+var_dump( strftime($format, $timestamp) );
+?>
+===DONE===
+--EXPECTF--
+*** Testing strftime() : usage variation ***
+
+-- Testing strftime() function with Day of the month as decimal single digit format --
+bool(false)
+bool(false)
+===DONE===

ext/date/tests/strftime_variation18.phpt

@@ -0,0 +1,36 @@
+--TEST--
+Test strftime() function : usage variation - Checking day related formats which are supported other than on Windows.
+--SKIPIF--
+<?php
+if (strtoupper(substr(PHP_OS, 0, 3)) == 'WIN') {
+    die("skip Test is not valid for Windows");
+}
+?>
+--FILE--
+<?php
+/* Prototype  : string strftime(string format [, int timestamp])
+ * Description: Format a local time/date according to locale settings 
+ * Source code: ext/date/php_date.c
+ * Alias to functions: 
+ */
+
+echo "*** Testing strftime() : usage variation ***\n";
+
+// Initialise function arguments not being substituted (if any)
+locale_set_default("en_US");
+date_default_timezone_set("Asia/Calcutta");
+$timestamp = mktime(8, 8, 8, 8, 8, 2008);
+
+echo "\n-- Testing strftime() function with Day of the month as decimal single digit format --\n";
+$format = "%e";
+var_dump( strftime($format) );
+var_dump( strftime($format, $timestamp) );
+?>
+===DONE===
+--EXPECTF--
+*** Testing strftime() : usage variation ***
+
+-- Testing strftime() function with Day of the month as decimal single digit format --
+unicode(%d) "%d"
+unicode(2) " 8"
+===DONE===

ext/date/tests/strftime_variation19.phpt

@@ -0,0 +1,50 @@
+--TEST--
+Test strftime() function : usage variation - Checking newline and tab formats which are not supported on Windows.
+--SKIPIF--
+<?php
+if (strtoupper(substr(PHP_OS, 0, 3)) != 'WIN') {
+    die("skip Test is valid for Windows");
+}
+?>
+--FILE--
+<?php
+/* Prototype  : string strftime(string format [, int timestamp])
+ * Description: Format a local time/date according to locale settings 
+ * Source code: ext/date/php_date.c
+ * Alias to functions: 
+ */
+
+echo "*** Testing strftime() : usage variation ***\n";
+
+// Initialise function arguments not being substituted (if any)
+locale_set_default("en_US");
+date_default_timezone_set("Asia/Calcutta");
+$timestamp = mktime(8, 8, 8, 8, 8, 2008);
+
+//array of values to iterate over
+$inputs = array(
+	  'Newline character' => "%n",
+	  'Tab character' => "%t"
+);
+
+// loop through each element of the array for timestamp
+
+foreach($inputs as $key =>$value) {
+      echo "\n--$key--\n";
+	  var_dump( strftime($value) );
+	  var_dump( strftime($value, $timestamp) );
+}	  
+
+?>
+===DONE===
+--EXPECTF--
+*** Testing strftime() : usage variation ***
+
+--Newline character--
+bool(false)
+bool(false)
+
+--Tab character--
+bool(false)
+bool(false)
+===DONE===

ext/date/tests/strftime_variation2.phpt

@@ -0,0 +1,191 @@
+--TEST--
+Test strftime() function : usage variation - Passing unexpected values to second argument 'timestamp'.
+--FILE--
+<?php
+/* Prototype  : string strftime(string format [, int timestamp])
+ * Description: Format a local time/date according to locale settings 
+ * Source code: ext/date/php_date.c
+ * Alias to functions: 
+ */
+
+echo "*** Testing strftime() : usage variation ***\n";
+
+date_default_timezone_set("Asia/Calcutta");
+// Initialise all required variables
+$format = '%b %d %Y %H:%M:%S';
+
+//get an unset variable
+$unset_var = 10;
+unset ($unset_var);
+
+// define some classes
+class classWithToString
+{
+	public function __toString() {
+		return "Class A object";
+	}
+}
+
+class classWithoutToString
+{
+}
+
+// heredoc string
+$heredoc = <<<EOT
+hello world
+EOT;
+
+// add arrays
+$index_array = array (1, 2, 3);
+$assoc_array = array ('one' => 1, 'two' => 2);
+
+//array of values to iterate over
+$inputs = array(
+
+      // float data
+      'float 10.5' => 10.5,
+      'float -10.5' => -10.5,
+      'float .5' => .5,
+
+      // array data
+      'empty array' => array(),
+      'int indexed array' => $index_array,
+      'associative array' => $assoc_array,
+      'nested arrays' => array('foo', $index_array, $assoc_array),
+
+      // null data
+      'uppercase NULL' => NULL,
+      'lowercase null' => null,
+
+      // boolean data
+      'lowercase true' => true,
+      'lowercase false' =>false,
+      'uppercase TRUE' =>TRUE,
+      'uppercase FALSE' =>FALSE,
+
+      // empty data
+      'empty string DQ' => "",
+      'empty string SQ' => '',
+
+      // string data
+      'string DQ' => "string",
+      'string SQ' => 'string',
+      'mixed case string' => "sTrInG",
+      'heredoc' => $heredoc,
+
+      // object data
+      'instance of classWithToString' => new classWithToString(),
+      'instance of classWithoutToString' => new classWithoutToString(),
+
+      // undefined data
+      'undefined var' => @$undefined_var,
+
+      // unset data
+      'unset var' => @$unset_var,
+);
+
+// loop through each element of the array for timestamp
+
+foreach($inputs as $key =>$value) {
+      echo "\n--$key--\n";
+      var_dump( strftime($format, $value) );
+};
+
+?>
+===DONE===
+--EXPECTF--
+*** Testing strftime() : usage variation ***
+
+--float 10.5--
+unicode(20) "Jan 01 1970 05:30:10"
+
+--float -10.5--
+unicode(20) "Jan 01 1970 05:29:50"
+
+--float .5--
+unicode(20) "Jan 01 1970 05:30:00"
+
+--empty array--
+
+Warning: strftime() expects parameter 2 to be long, array given in %s on line %d
+bool(false)
+
+--int indexed array--
+
+Warning: strftime() expects parameter 2 to be long, array given in %s on line %d
+bool(false)
+
+--associative array--
+
+Warning: strftime() expects parameter 2 to be long, array given in %s on line %d
+bool(false)
+
+--nested arrays--
+
+Warning: strftime() expects parameter 2 to be long, array given in %s on line %d
+bool(false)
+
+--uppercase NULL--
+unicode(20) "Jan 01 1970 05:30:00"
+
+--lowercase null--
+unicode(20) "Jan 01 1970 05:30:00"
+
+--lowercase true--
+unicode(20) "Jan 01 1970 05:30:01"
+
+--lowercase false--
+unicode(20) "Jan 01 1970 05:30:00"
+
+--uppercase TRUE--
+unicode(20) "Jan 01 1970 05:30:01"
+
+--uppercase FALSE--
+unicode(20) "Jan 01 1970 05:30:00"
+
+--empty string DQ--
+
+Warning: strftime() expects parameter 2 to be long, Unicode string given in %s on line %d
+bool(false)
+
+--empty string SQ--
+
+Warning: strftime() expects parameter 2 to be long, Unicode string given in %s on line %d
+bool(false)
+
+--string DQ--
+
+Warning: strftime() expects parameter 2 to be long, Unicode string given in %s on line %d
+bool(false)
+
+--string SQ--
+
+Warning: strftime() expects parameter 2 to be long, Unicode string given in %s on line %d
+bool(false)
+
+--mixed case string--
+
+Warning: strftime() expects parameter 2 to be long, Unicode string given in %s on line %d
+bool(false)
+
+--heredoc--
+
+Warning: strftime() expects parameter 2 to be long, Unicode string given in %s on line %d
+bool(false)
+
+--instance of classWithToString--
+
+Warning: strftime() expects parameter 2 to be long, object given in %s on line %d
+bool(false)
+
+--instance of classWithoutToString--
+
+Warning: strftime() expects parameter 2 to be long, object given in %s on line %d
+bool(false)
+
+--undefined var--
+unicode(20) "Jan 01 1970 05:30:00"
+
+--unset var--
+unicode(20) "Jan 01 1970 05:30:00"
+===DONE===

ext/date/tests/strftime_variation20.phpt

@@ -0,0 +1,52 @@
+--TEST--
+Test strftime() function : usage variation - Checking newline and tab formats which are supported other than on Windows.
+--SKIPIF--
+<?php
+if (strtoupper(substr(PHP_OS, 0, 3)) == 'WIN') {
+    die("skip Test is not valid for Windows");
+}
+?>
+--FILE--
+<?php
+/* Prototype  : string strftime(string format [, int timestamp])
+ * Description: Format a local time/date according to locale settings 
+ * Source code: ext/date/php_date.c
+ * Alias to functions: 
+ */
+
+echo "*** Testing strftime() : usage variation ***\n";
+
+// Initialise function arguments not being substituted (if any)
+locale_set_default("en_US");
+date_default_timezone_set("Asia/Calcutta");
+$timestamp = mktime(8, 8, 8, 8, 8, 2008);
+
+//array of values to iterate over
+$inputs = array(
+	  'Newline character' => "%n",
+	  'Tab character' => "%t"
+);
+
+// loop through each element of the array for timestamp
+
+foreach($inputs as $key =>$value) {
+      echo "\n--$key--\n";
+	  var_dump( strftime($value) );
+	  var_dump( strftime($value, $timestamp) );
+}	  
+
+?>
+===DONE===
+--EXPECTREGEX--
+\*\*\* Testing strftime\(\) : usage variation \*\*\*
+
+--Newline character--
+unicode\(1\) "
+"
+unicode\(1\) "
+"
+
+--Tab character--
+unicode\(1\) "\s"
+unicode\(1\) "\s"
+===DONE===

ext/date/tests/strftime_variation21.phpt

@@ -0,0 +1,55 @@
+--TEST--
+Test strftime() function : usage variation - Checking Preferred date and time representation on Windows.
+--SKIPIF--
+<?php
+if (strtoupper(substr(PHP_OS, 0, 3)) != 'WIN') {
+    die("skip Test is valid for Windows");
+}
+?>
+--FILE--
+<?php
+/* Prototype  : string strftime(string format [, int timestamp])
+ * Description: Format a local time/date according to locale settings 
+ * Source code: ext/date/php_date.c
+ * Alias to functions: 
+ */
+
+echo "*** Testing strftime() : usage variation ***\n";
+
+// Initialise function arguments not being substituted (if any)
+locale_set_default("en_US");
+date_default_timezone_set("Asia/Calcutta");
+$timestamp = mktime(8, 8, 8, 8, 8, 2008);
+
+//array of values to iterate over
+$inputs = array(
+      'Preferred date and time representation' => "%c",
+	  'Preferred date representation' => "%x",
+	  'Preferred time representation' => "%X",
+);
+
+// loop through each element of the array for timestamp
+
+foreach($inputs as $key =>$value) {
+      echo "\n--$key--\n";
+	  var_dump( strftime($value) );
+	  var_dump( strftime($value, $timestamp) );
+}	  
+
+?>
+===DONE===
+--EXPECTF--
+*** Testing strftime() : usage variation ***
+
+--Preferred date and time representation--
+unicode(%d) "%d/%d/%d %d:%d:%d"
+unicode(17) "08/08/08 08:08:08"
+
+--Preferred date representation--
+unicode(%d) "%d/%d/%d"
+unicode(8) "08/08/08"
+
+--Preferred time representation--
+unicode(%d) "%d:%d:%d"
+unicode(8) "08:08:08"
+===DONE===

ext/date/tests/strftime_variation22.phpt

@@ -0,0 +1,55 @@
+--TEST--
+Test strftime() function : usage variation - Checking Preferred date and time representation other than on Windows.
+--SKIPIF--
+<?php
+if (strtoupper(substr(PHP_OS, 0, 3)) == 'WIN') {
+    die("skip Test is not valid for Windows");
+}
+?>
+--FILE--
+<?php
+/* Prototype  : string strftime(string format [, int timestamp])
+ * Description: Format a local time/date according to locale settings 
+ * Source code: ext/date/php_date.c
+ * Alias to functions: 
+ */
+
+echo "*** Testing strftime() : usage variation ***\n";
+
+// Initialise function arguments not being substituted (if any)
+locale_set_default("en_US");
+date_default_timezone_set("Asia/Calcutta");
+$timestamp = mktime(8, 8, 8, 8, 8, 2008);
+
+//array of values to iterate over
+$inputs = array(
+      'Preferred date and time representation' => "%c",
+	  'Preferred date representation' => "%x",
+	  'Preferred time representation' => "%X",
+);
+
+// loop through each element of the array for timestamp
+
+foreach($inputs as $key =>$value) {
+      echo "\n--$key--\n";
+	  var_dump( strftime($value) );
+	  var_dump( strftime($value, $timestamp) );
+}	  
+
+?>
+===DONE===
+--EXPECTF--
+*** Testing strftime() : usage variation ***
+
+--Preferred date and time representation--
+unicode(%d) "%s %s %d %d:%d:%d %d"
+unicode(24) "Fri Aug  8 08:08:08 2008"
+
+--Preferred date representation--
+unicode(%d) "%d/%d/%d"
+unicode(8) "08/08/08"
+
+--Preferred time representation--
+unicode(%d) "%d:%d:%d"
+unicode(8) "08:08:08"
+===DONE===

ext/date/tests/strftime_variation23.phpt

@@ -0,0 +1,36 @@
+--TEST--
+Test strftime() function : usage variation - Checking large positive and negative float values to timestamp.
+--FILE--
+<?php
+/* Prototype  : string strftime(string format [, int timestamp])
+ * Description: Format a local time/date according to locale settings 
+ * Source code: ext/date/php_date.c
+ * Alias to functions: 
+ */
+
+echo "*** Testing strftime() : usage variation ***\n";
+
+// Initialise function arguments not being substituted (if any)
+locale_set_default("en_US");
+date_default_timezone_set("UTC");
+$format = '%b %d %Y %H:%M:%S';
+
+echo "\n-- Testing strftime() function with float 12.3456789000e10 to timestamp --\n";
+$timestamp = 12.3456789000e10;
+var_dump( strftime($format, $timestamp) );
+
+echo "\n-- Testing strftime() function with float -12.3456789000e10 to timestamp --\n";
+$timestamp = -12.3456789000e10;
+var_dump( strftime($format, $timestamp) );
+
+?>
+===DONE===
+--EXPECTREGEX--
+\*\*\* Testing strftime\(\) : usage variation \*\*\*
+
+-- Testing strftime\(\) function with float 12.3456789000e10 to timestamp --
+unicode\(\d*\)\s"(Jan|Mar)\s(19|11)\s(2038|5882)\s(03|00):(14|30):(07|00)"
+
+-- Testing strftime\(\) function with float -12.3456789000e10 to timestamp --
+unicode\(\d*\)\s"(Dec|Oct)\s(13|22)\s(1901|-1943)\s(20|23):(45|30):(52|00)"
+===DONE===

ext/date/tests/strftime_variation3.phpt

@@ -0,0 +1,52 @@
+--TEST--
+Test strftime() function : usage variation - Passing week related format strings to format argument.
+--FILE--
+<?php
+/* Prototype  : string strftime(string format [, int timestamp])
+ * Description: Format a local time/date according to locale settings 
+ * Source code: ext/date/php_date.c
+ * Alias to functions: 
+ */
+
+echo "*** Testing strftime() : usage variation ***\n";
+
+date_default_timezone_set("Asia/Calcutta");
+// Initialise function arguments not being substituted (if any)
+$timestamp = mktime(8, 8, 8, 8, 8, 2008);
+
+//array of values to iterate over
+$inputs = array(
+      'Abbreviated weekday name' => "%a",
+      'Full weekday name' => "%A",
+	  'Week number of the year' => "%U",
+	  'Week number of the year in decimal number' => "%W",	
+);
+// loop through each element of the array for timestamp
+
+foreach($inputs as $key =>$value) {
+      echo "\n--$key--\n";
+      var_dump( strftime($value) );
+      var_dump( strftime($value, $timestamp) );
+};
+
+?>
+===DONE===
+--EXPECTF--
+*** Testing strftime() : usage variation ***
+
+--Abbreviated weekday name--
+unicode(%d) "%s"
+unicode(3) "Fri"
+
+--Full weekday name--
+unicode(%d) "%s"
+unicode(6) "Friday"
+
+--Week number of the year--
+unicode(%d) "%d"
+unicode(2) "31"
+
+--Week number of the year in decimal number--
+unicode(%d) "%d"
+unicode(2) "31"
+===DONE===

ext/date/tests/strftime_variation4.phpt

@@ -0,0 +1,48 @@
+--TEST--
+Test strftime() function : usage variation - Passing month related format strings to format argument.
+--FILE--
+<?php
+/* Prototype  : string strftime(string format [, int timestamp])
+ * Description: Format a local time/date according to locale settings 
+ * Source code: ext/date/php_date.c
+ * Alias to functions: 
+ */
+
+echo "*** Testing strftime() : usage variation ***\n";
+
+date_default_timezone_set("Asia/Calcutta");
+// Initialise function arguments not being substituted (if any)
+$timestamp = mktime(8, 8, 8, 8, 8, 2008);
+
+//array of values to iterate over
+$inputs = array(
+      'Abbreviated month name' => "%b",
+      'Full month name' => "%B",
+	  'Month as decimal' => "%m",
+);
+
+// loop through each element of the array for timestamp
+
+foreach($inputs as $key =>$value) {
+      echo "\n--$key--\n";
+      var_dump( strftime($value) );
+      var_dump( strftime($value, $timestamp) );
+};
+
+?>
+===DONE===
+--EXPECTF--
+*** Testing strftime() : usage variation ***
+
+--Abbreviated month name--
+unicode(%d) "%s"
+unicode(3) "Aug"
+
+--Full month name--
+unicode(%d) "%s"
+unicode(6) "August"
+
+--Month as decimal--
+unicode(%d) "%d"
+unicode(2) "08"
+===DONE===

ext/date/tests/strftime_variation5.phpt

@@ -0,0 +1,50 @@
+--TEST--
+Test strftime() function : usage variation - Passing date related format strings to format argument.
+--FILE--
+<?php
+/* Prototype  : string strftime(string format [, int timestamp])
+ * Description: Format a local time/date according to locale settings 
+ * Source code: ext/date/php_date.c
+ * Alias to functions: 
+ */
+
+echo "*** Testing strftime() : usage variation ***\n";
+
+// Initialise function arguments not being substituted (if any)
+locale_set_default("en_US");
+date_default_timezone_set("Asia/Calcutta");
+$timestamp = mktime(8, 8, 8, 8, 8, 2008);
+
+//array of values to iterate over
+$inputs = array(
+	  'Year as decimal number without a century' => "%y",
+	  'Year as decimal number including the century' => "%Y",
+	  'Time zone offset' => "%Z",	 	
+	  'Time zone offset' => "%z",
+);
+
+// loop through each element of the array for timestamp
+
+foreach($inputs as $key =>$value) {
+      echo "\n--$key--\n";
+      var_dump( strftime($value) );
+      var_dump( strftime($value, $timestamp) );
+};
+
+?>
+===DONE===
+--EXPECTF--
+*** Testing strftime() : usage variation ***
+
+--Year as decimal number without a century--
+unicode(%d) "%d"
+unicode(2) "08"
+
+--Year as decimal number including the century--
+unicode(%d) "%d"
+unicode(4) "2008"
+
+--Time zone offset--
+unicode(%d) "%s"
+unicode(%d) "%s"
+===DONE===

ext/date/tests/strftime_variation6.phpt

@@ -0,0 +1,60 @@
+--TEST--
+Test strftime() function : usage variation - Passing time related format strings to format argument.
+--FILE--
+<?php
+/* Prototype  : string strftime(string format [, int timestamp])
+ * Description: Format a local time/date according to locale settings 
+ * Source code: ext/date/php_date.c
+ * Alias to functions: 
+ */
+
+echo "*** Testing strftime() : usage variation ***\n";
+
+// Initialise function arguments not being substituted (if any)
+locale_set_default("en_US");
+date_default_timezone_set("Asia/Calcutta");
+$timestamp = mktime(18, 8, 8, 8, 8, 2008);
+
+
+//array of values to iterate over
+$inputs = array(
+	  'Hour as decimal by 24-hour format' => "%H",
+	  'Hour as decimal by 12-hour format' => "%I",
+	  'Minute as decimal number' => "%M",
+	  'AM/PM format for a time' => "%p",
+	  'Second as decimal number' => "%S",
+);
+
+// loop through each element of the array for timestamp
+
+foreach($inputs as $key =>$value) {
+      echo "\n--$key--\n";
+      var_dump( strftime($value) );
+      var_dump( strftime($value, $timestamp) );
+};
+
+?>
+===DONE===
+--EXPECTF--
+*** Testing strftime() : usage variation ***
+
+--Hour as decimal by 24-hour format--
+unicode(%d) "%d"
+unicode(2) "18"
+
+--Hour as decimal by 12-hour format--
+unicode(%d) "%d"
+unicode(2) "06"
+
+--Minute as decimal number--
+unicode(%d) "%d"
+unicode(2) "08"
+
+--AM/PM format for a time--
+unicode(%d) "%s"
+unicode(2) "PM"
+
+--Second as decimal number--
+unicode(%d) "%d"
+unicode(2) "08"
+===DONE===

ext/date/tests/strftime_variation7.phpt

@@ -0,0 +1,50 @@
+--TEST--
+Test strftime() function : usage variation - Passing day related format strings to format argument.
+--FILE--
+<?php
+/* Prototype  : string strftime(string format [, int timestamp])
+ * Description: Format a local time/date according to locale settings 
+ * Source code: ext/date/php_date.c
+ * Alias to functions: 
+ */
+
+echo "*** Testing strftime() : usage variation ***\n";
+
+// Initialise function arguments not being substituted (if any)
+locale_set_default("en_US");
+date_default_timezone_set("Asia/Calcutta");
+$timestamp = mktime(18, 8, 8, 8, 8, 2008);
+
+
+//array of values to iterate over
+$inputs = array(
+	  'Day of the month as a decimal number' => "%d",
+	  'Day of the year as a decimal number' => "%j",
+	  'Day of the week as a decimal number' => "%w"
+);
+
+// loop through each element of the array for timestamp
+
+foreach($inputs as $key =>$value) {
+      echo "\n--$key--\n";
+      var_dump( strftime($value) );
+      var_dump( strftime($value, $timestamp) );
+};
+
+?>
+===DONE===
+--EXPECTF--
+*** Testing strftime() : usage variation ***
+
+--Day of the month as a decimal number--
+unicode(%d) "%d"
+unicode(2) "08"
+
+--Day of the year as a decimal number--
+unicode(%d) "%d"
+unicode(3) "221"
+
+--Day of the week as a decimal number--
+unicode(%d) "%d"
+unicode(1) "5"
+===DONE===

ext/date/tests/strftime_variation8.phpt

@@ -0,0 +1,31 @@
+--TEST--
+Test strftime() function : usage variation - Passing literal related strings to format argument.
+--FILE--
+<?php
+/* Prototype  : string strftime(string format [, int timestamp])
+ * Description: Format a local time/date according to locale settings 
+ * Source code: ext/date/php_date.c
+ * Alias to functions: 
+ */
+
+echo "*** Testing strftime() : usage variation ***\n";
+
+// Initialise function arguments not being substituted (if any)
+locale_set_default("en_US");
+date_default_timezone_set("Asia/Calcutta");
+$timestamp = mktime(8, 8, 8, 8, 8, 2008);
+$format = "%%";
+
+echo "\n-- Testing strftime() function with a literal % character to format --\n";
+var_dump( strftime($format) );
+var_dump( strftime($format, $timestamp) );
+
+?>
+===DONE===
+--EXPECTF--
+*** Testing strftime() : usage variation ***
+
+-- Testing strftime() function with a literal % character to format --
+unicode(1) "%"
+unicode(1) "%"
+===DONE===

ext/date/tests/strftime_variation9.phpt

@@ -0,0 +1,50 @@
+--TEST--
+Test strftime() function : usage variation - Checking week related formats which are not supported on Windows.
+--SKIPIF--
+<?php
+if (strtoupper(substr(PHP_OS, 0, 3)) != 'WIN') {
+    die("skip Test is valid for Windows");
+}
+?>
+--FILE--
+<?php
+/* Prototype  : string strftime(string format [, int timestamp])
+ * Description: Format a local time/date according to locale settings 
+ * Source code: ext/date/php_date.c
+ * Alias to functions: 
+ */
+
+echo "*** Testing strftime() : usage variation ***\n";
+
+// Initialise function arguments not being substituted (if any)
+locale_set_default("en_US");
+date_default_timezone_set("Asia/Calcutta");
+$timestamp = mktime(8, 8, 8, 8, 8, 2008);
+
+//array of values to iterate over
+$inputs = array(
+	  'The ISO 8601:1988 week number' => "%V",
+	  'Weekday as decimal' => "%u",
+);
+
+// loop through each element of the array for timestamp
+
+foreach($inputs as $key =>$value) {
+	echo "\n--$key--\n";
+	var_dump( strftime($value) );
+	var_dump( strftime($value, $timestamp) );
+}	
+
+?>
+===DONE===
+--EXPECTF--
+*** Testing strftime() : usage variation ***
+
+--The ISO 8601:1988 week number--
+bool(false)
+bool(false)
+
+--Weekday as decimal--
+bool(false)
+bool(false)
+===DONE===