StringUtil.php
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<?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;
}
}