Online PHP editor | refs for r0qO0

<?php function foo($v) { if (!is_numeric($v)) { invalidArgument(__FUNCTION__, 'numeric', 1, gettype($v)); } echo $v; } function invalidArgument($func, $type, $argN, $argT) { $db = debug_backtrace(); user_error( sprintf( "Argument %d passed to %s() must be a valid %s, %s given in %s on line %d", $argN, $func, $type, $argT, $db[1]['file'], $db[1]['line'] ), E_USER_ERROR ); } foo("9999999999999999999999999999999"); foo("abc");