public static function Ctype::ctype_cntrl in Lockr 7.3

Returns TRUE if every character in text is a control character from the current locale, FALSE otherwise.

Parameters

string|int $text:

Return value

bool

See also

https://php.net/ctype-cntrl

File

vendor/symfony/polyfill-ctype/Ctype.php, line 64

Class

Ctype

Ctype implementation through regex.

Namespace

Symfony\Polyfill\Ctype

Code

public static function ctype_cntrl($text) {
  $text = self::convert_int_to_char_for_ctype($text);
  return \is_string($text) && '' !== $text && !preg_match('/[^\\x00-\\x1f\\x7f]/', $text);
}