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+--TEST--
+Test date_modify() function : usage variation - Passing unexpected values to second argument $format.
+--FILE--
+<?php
+/* Prototype : DateTime date_modify ( DateTime $object , string $modify )
+ * Description: Alter the timestamp of a DateTime object by incrementing or decrementing in a format accepted by strtotime().
+ * Source code: ext/date/php_date.c
+ * Alias to functions: public DateTime DateTime::modify()
+ */
+
+echo "*** Testing date_modify() : usage variation - unexpected values to second argument \$format***\n";
+
+//Set the default time zone
+date_default_timezone_set("Europe/London");
+
+//get an unset variable
+$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);
+
+// resource
+$file_handle = fopen(__FILE__, 'r');
+
+//array of values to iterate over
+$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 .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,
+
+ // resource
+ 'resource' => $file_handle
+);
+
+$object = date_create("2009-01-31 14:28:41");
+
+foreach($inputs as $variation =>$format) {
+ echo "\n-- $variation --\n";
+ var_dump( date_modify($object, $format) );
+};
+
+// closing the resource
+fclose( $file_handle );
+
+?>
+===DONE===
+--EXPECTF--
+*** Testing date_modify() : usage variation - unexpected values to second argument $format***
+
+-- int 0 --
+object(DateTime)#%d (3) {
+ [u"date"]=>
+ unicode(19) "2009-01-31 14:28:41"
+ [u"timezone_type"]=>
+ int(3)
+ [u"timezone"]=>
+ unicode(13) "Europe/London"
+}
+
+-- int 1 --
+object(DateTime)#%d (3) {
+ [u"date"]=>
+ unicode(19) "2009-01-31 14:28:41"
+ [u"timezone_type"]=>
+ int(3)
+ [u"timezone"]=>
+ unicode(13) "Europe/London"
+}
+
+-- int 12345 --
+object(DateTime)#%d (3) {
+ [u"date"]=>
+ unicode(19) "2009-01-31 14:28:41"
+ [u"timezone_type"]=>
+ int(3)
+ [u"timezone"]=>
+ unicode(13) "Europe/London"
+}
+
+-- int -12345 --
+object(DateTime)#%d (3) {
+ [u"date"]=>
+ unicode(19) "2009-01-31 14:28:41"
+ [u"timezone_type"]=>
+ int(3)
+ [u"timezone"]=>
+ unicode(13) "Europe/London"
+}
+
+-- float 10.5 --
+object(DateTime)#%d (3) {
+ [u"date"]=>
+ unicode(19) "2009-01-31 14:28:41"
+ [u"timezone_type"]=>
+ int(3)
+ [u"timezone"]=>
+ unicode(13) "Europe/London"
+}
+
+-- float -10.5 --
+object(DateTime)#%d (3) {
+ [u"date"]=>
+ unicode(19) "2009-01-31 14:28:41"
+ [u"timezone_type"]=>
+ int(3)
+ [u"timezone"]=>
+ unicode(13) "Europe/London"
+}
+
+-- float .5 --
+object(DateTime)#%d (3) {
+ [u"date"]=>
+ unicode(19) "2009-01-31 14:28:41"
+ [u"timezone_type"]=>
+ int(3)
+ [u"timezone"]=>
+ unicode(13) "Europe/London"
+}
+
+-- empty array --
+
+Warning: date_modify() expects parameter 2 to be binary string, array given in %s on line %d
+bool(false)
+
+-- int indexed array --
+
+Warning: date_modify() expects parameter 2 to be binary string, array given in %s on line %d
+bool(false)
+
+-- associative array --
+
+Warning: date_modify() expects parameter 2 to be binary string, array given in %s on line %d
+bool(false)
+
+-- nested arrays --
+
+Warning: date_modify() expects parameter 2 to be binary string, array given in %s on line %d
+bool(false)
+
+-- uppercase NULL --
+object(DateTime)#%d (3) {
+ [u"date"]=>
+ unicode(19) "2009-01-31 14:28:41"
+ [u"timezone_type"]=>
+ int(3)
+ [u"timezone"]=>
+ unicode(13) "Europe/London"
+}
+
+-- lowercase null --
+object(DateTime)#%d (3) {
+ [u"date"]=>
+ unicode(19) "2009-01-31 14:28:41"
+ [u"timezone_type"]=>
+ int(3)
+ [u"timezone"]=>
+ unicode(13) "Europe/London"
+}
+
+-- lowercase true --
+object(DateTime)#%d (3) {
+ [u"date"]=>
+ unicode(19) "2009-01-31 14:28:41"
+ [u"timezone_type"]=>
+ int(3)
+ [u"timezone"]=>
+ unicode(13) "Europe/London"
+}
+
+-- lowercase false --
+object(DateTime)#%d (3) {
+ [u"date"]=>
+ unicode(19) "2009-01-31 14:28:41"
+ [u"timezone_type"]=>
+ int(3)
+ [u"timezone"]=>
+ unicode(13) "Europe/London"
+}
+
+-- uppercase TRUE --
+object(DateTime)#%d (3) {
+ [u"date"]=>
+ unicode(19) "2009-01-31 14:28:41"
+ [u"timezone_type"]=>
+ int(3)
+ [u"timezone"]=>
+ unicode(13) "Europe/London"
+}
+
+-- uppercase FALSE --
+object(DateTime)#%d (3) {
+ [u"date"]=>
+ unicode(19) "2009-01-31 14:28:41"
+ [u"timezone_type"]=>
+ int(3)
+ [u"timezone"]=>
+ unicode(13) "Europe/London"
+}
+
+-- empty string DQ --
+object(DateTime)#%d (3) {
+ [u"date"]=>
+ unicode(19) "2009-01-31 14:28:41"
+ [u"timezone_type"]=>
+ int(3)
+ [u"timezone"]=>
+ unicode(13) "Europe/London"
+}
+
+-- empty string SQ --
+object(DateTime)#%d (3) {
+ [u"date"]=>
+ unicode(19) "2009-01-31 14:28:41"
+ [u"timezone_type"]=>
+ int(3)
+ [u"timezone"]=>
+ unicode(13) "Europe/London"
+}
+
+-- string DQ --
+object(DateTime)#%d (3) {
+ [u"date"]=>
+ unicode(19) "2009-01-31 14:28:41"
+ [u"timezone_type"]=>
+ int(3)
+ [u"timezone"]=>
+ unicode(13) "Europe/London"
+}
+
+-- string SQ --
+object(DateTime)#%d (3) {
+ [u"date"]=>
+ unicode(19) "2009-01-31 14:28:41"
+ [u"timezone_type"]=>
+ int(3)
+ [u"timezone"]=>
+ unicode(13) "Europe/London"
+}
+
+-- mixed case string --
+object(DateTime)#%d (3) {
+ [u"date"]=>
+ unicode(19) "2009-01-31 14:28:41"
+ [u"timezone_type"]=>
+ int(3)
+ [u"timezone"]=>
+ unicode(13) "Europe/London"
+}
+
+-- heredoc --
+object(DateTime)#%d (3) {
+ [u"date"]=>
+ unicode(19) "2009-01-31 14:28:41"
+ [u"timezone_type"]=>
+ int(3)
+ [u"timezone"]=>
+ unicode(13) "Europe/London"
+}
+
+-- instance of classWithToString --
+object(DateTime)#%d (3) {
+ [u"date"]=>
+ unicode(19) "2009-01-31 14:28:41"
+ [u"timezone_type"]=>
+ int(3)
+ [u"timezone"]=>
+ unicode(13) "Europe/London"
+}
+
+-- instance of classWithoutToString --
+
+Warning: date_modify() expects parameter 2 to be binary string, object given in %s on line %d
+bool(false)
+
+-- undefined var --
+object(DateTime)#%d (3) {
+ [u"date"]=>
+ unicode(19) "2009-01-31 14:28:41"
+ [u"timezone_type"]=>
+ int(3)
+ [u"timezone"]=>
+ unicode(13) "Europe/London"
+}
+
+-- unset var --
+object(DateTime)#%d (3) {
+ [u"date"]=>
+ unicode(19) "2009-01-31 14:28:41"
+ [u"timezone_type"]=>
+ int(3)
+ [u"timezone"]=>
+ unicode(13) "Europe/London"
+}
+
+-- resource --
+
+Warning: date_modify() expects parameter 2 to be binary string, resource given in %s on line %d
+bool(false)
+===DONE===
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