<?php namespace PhpZip\Util; /** * String Util. * * @internal */ final class StringUtil { /** * @param string $haystack * @param string $needle * * @return bool */ public static function endsWith($haystack, $needle) { $length = \strlen($needle); if ($length === 0) { return true; } return substr($haystack, -$length) === $needle; } /** * @param string $string * * @return bool */ public static function isBinary($string) { return strpos($string, "\0") !== false; } /** * @param string $name * * @return bool */ public static function isASCII($name) { return preg_match('~[^\x20-\x7e]~', (string) $name) === 0; } }