--TEST-- Zero byte test --FILE-- <?php preg_match("\0//i", ""); preg_match("/\0/i", ""); preg_match("//\0i", ""); preg_match("//i\0", ""); preg_match("/\\\0/i", ""); preg_match("\0[]i", ""); preg_match("[\0]i", ""); preg_match("[]\0i", ""); preg_match("[]i\0", ""); preg_match("[\\\0]i", ""); preg_replace("/foo/e\0/i", "echo('Eek');", ""); ?> --EXPECTF-- Warning: preg_match(): Null byte in regex in %snull_bytes.php on line 3 Warning: preg_match(): Null byte in regex in %snull_bytes.php on line 4 Warning: preg_match(): Null byte in regex in %snull_bytes.php on line 5 Warning: preg_match(): Null byte in regex in %snull_bytes.php on line 6 Warning: preg_match(): Null byte in regex in %snull_bytes.php on line 7 Warning: preg_match(): Null byte in regex in %snull_bytes.php on line 9 Warning: preg_match(): Null byte in regex in %snull_bytes.php on line 10 Warning: preg_match(): Null byte in regex in %snull_bytes.php on line 11 Warning: preg_match(): Null byte in regex in %snull_bytes.php on line 12 Warning: preg_match(): Null byte in regex in %snull_bytes.php on line 13 Warning: preg_replace(): Null byte in regex in %snull_bytes.php on line 15