--TEST-- Test substr_count() function (error conditions) --FILE-- getMessage() . "\n"; } /* offset > size of the string */ try { substr_count($str, "t", 25); } catch (ValueError $exception) { echo $exception->getMessage() . "\n"; } /* Using offset and length to go beyond the size of the string: Warning message expected, as length+offset > length of string */ var_dump( substr_count($str, "i", 5, 7) ); /* length too small */ var_dump( substr_count($str, "t", 2, -20) ); echo "Done\n"; ?> --EXPECTF-- *** Testing error conditions *** substr_count(): Argument #3 ($offset) must be contained in argument #1 ($haystack) substr_count(): Argument #3 ($offset) must be contained in argument #1 ($haystack) Warning: substr_count(): Invalid length value in %s on line %d bool(false) Warning: substr_count(): Invalid length value in %s on line %d bool(false) Done