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diff --git a/ext/date/tests/checkdate_variation3.phpt b/ext/date/tests/checkdate_variation3.phpt
new file mode 100644
index 0000000..b946056
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+++ b/ext/date/tests/checkdate_variation3.phpt
@@ -0,0 +1,201 @@
+--TEST--
+Test checkdate() function : usage variation - Passing unexpected values to third argument $year.
+--FILE--
+<?php
+/* Prototype  : bool checkdate  ( int $month  , int $day  , int $year  )
+ * Description: Checks the validity of the date formed by the arguments. 
+ *              A date is considered valid if each parameter is properly defined. 
+ * Source code: ext/date/php_date.c
+ */
+
+echo "*** Testing checkdate() : usage variation -  unexpected values to third argument \$year***\n";
+
+//get an unset variable
+$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(
+      // 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' => $file_handle
+);
+
+$day = 2;
+$month = 7;
+
+foreach($inputs as $variation =>$year) {
+      echo "\n-- $variation --\n";
+      var_dump( checkdate($month, $day, $year) );
+};
+
+// closing the resource
+fclose( $file_handle);
+
+?>
+===DONE===
+--EXPECTF--
+*** Testing checkdate() : usage variation -  unexpected values to third argument $year***
+
+-- float 10.5 --
+bool(true)
+
+-- float -10.5 --
+bool(false)
+
+-- float .5 --
+bool(false)
+
+-- empty array --
+
+Warning: checkdate() expects parameter 3 to be long, array given in %s on line %d
+bool(false)
+
+-- int indexed array --
+
+Warning: checkdate() expects parameter 3 to be long, array given in %s on line %d
+bool(false)
+
+-- associative array --
+
+Warning: checkdate() expects parameter 3 to be long, array given in %s on line %d
+bool(false)
+
+-- nested arrays --
+
+Warning: checkdate() expects parameter 3 to be long, array given in %s on line %d
+bool(false)
+
+-- uppercase NULL --
+bool(false)
+
+-- lowercase null --
+bool(false)
+
+-- lowercase true --
+bool(true)
+
+-- lowercase false --
+bool(false)
+
+-- uppercase TRUE --
+bool(true)
+
+-- uppercase FALSE --
+bool(false)
+
+-- empty string DQ --
+
+Warning: checkdate() expects parameter 3 to be long, string given in %s on line %d
+bool(false)
+
+-- empty string SQ --
+
+Warning: checkdate() expects parameter 3 to be long, string given in %s on line %d
+bool(false)
+
+-- string DQ --
+
+Warning: checkdate() expects parameter 3 to be long, string given in %s on line %d
+bool(false)
+
+-- string SQ --
+
+Warning: checkdate() expects parameter 3 to be long, string given in %s on line %d
+bool(false)
+
+-- mixed case string --
+
+Warning: checkdate() expects parameter 3 to be long, string given in %s on line %d
+bool(false)
+
+-- heredoc --
+
+Warning: checkdate() expects parameter 3 to be long, string given in %s on line %d
+bool(false)
+
+-- instance of classWithToString --
+
+Warning: checkdate() expects parameter 3 to be long, object given in %s on line %d
+bool(false)
+
+-- instance of classWithoutToString --
+
+Warning: checkdate() expects parameter 3 to be long, object given in %s on line %d
+bool(false)
+
+-- undefined var --
+bool(false)
+
+-- unset var --
+bool(false)
+
+-- resource --
+
+Warning: checkdate() expects parameter 3 to be long, resource given in %s on line %d
+bool(false)
+===DONE===