--TEST-- Test strspn() function : basic functionality --FILE-- <?php /* Prototype : proto int strspn(string str, string mask [, int start [, int len]]) * Description: Finds length of initial segment consisting entirely of characters found in mask. If start or/and length is provided, it works like strspn(substr($s,$start,$len),$good_chars) * Source code: ext/standard/string.c * Alias to functions: none */ /* * Testing strspn() : basic functionality */ echo "*** Testing strspn() : basic functionality ***\n"; // Initialise all required variables $str = "this is the test string"; $mask = "htes "; $start = 8; $len = 30; // Calling strspn() with all possible arguments var_dump( strspn($str, $mask, $start, $len) ); // Calling strspn() with three arguments and default len argument var_dump( strspn($str, $mask, $start) ); // Calling strspn() with default arguments var_dump( strspn($str, $mask) ); echo "Done" ?> --EXPECTF-- *** Testing strspn() : basic functionality *** int(11) int(11) int(2) Done