* Parses escape sequences in strings (all string types apart from single quoted).
*
* @param string $str String without quotes
- * @param null|string $quote Quote type
+ * @param string|null $quote Quote type
*
* @return string String with escape sequences parsed
*/
if (isset(self::$replacements[$str])) {
return self::$replacements[$str];
} elseif ('x' === $str[0] || 'X' === $str[0]) {
- return chr(hexdec($str));
+ return \chr(hexdec($str));
} else {
- return chr(octdec($str));
+ return \chr(octdec($str));
}
}