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+--TEST--
+Test gmdate() function : usage variation - Passing numeric representation of day formats.
+--FILE--
+<?php
+/* Prototype : string gmdate(string format [, long timestamp])
+ * Description: Format a GMT date/time
+ * Source code: ext/date/php_date.c
+ * Alias to functions:
+ */
+
+echo "*** Testing gmdate() : usage variation ***\n";
+
+// Initialise all required variables
+date_default_timezone_set('UTC');
+$timestamp = mktime(8, 8, 8, 8, 8, 2008);
+
+//array of values to iterate over
+$inputs = array(
+
+ 'Day with leading zeros' => 'd',
+ 'Day without leading zeros' => 'j',
+ 'ISO representation' => 'N',
+ 'Numeric representation of day' => 'w',
+ 'Day of the year' => 'z'
+);
+
+// loop through each element of the array for timestamp
+
+foreach($inputs as $key =>$value) {
+ echo "\n--$key--\n";
+ var_dump( gmdate($value) );
+ var_dump( gmdate($value, $timestamp) );
+};
+
+?>
+===DONE===
+--EXPECTF--
+*** Testing gmdate() : usage variation ***
+
+--Day with leading zeros--
+string(%d) "%d"
+string(2) "08"
+
+--Day without leading zeros--
+string(%d) "%d"
+string(1) "8"
+
+--ISO representation--
+string(%d) "%d"
+string(1) "5"
+
+--Numeric representation of day--
+string(%d) "%d"
+string(1) "5"
+
+--Day of the year--
+string(%d) "%d"
+string(3) "220"
+===DONE===