Ctype::ctype_upper( string|int $text )
Returns TRUE if every character in text is an uppercase letter.
Description
See also
Parameters
- $text
-
(Required)
Return
(bool)
Source
File: vendor/symfony/polyfill-ctype/Ctype.php
public static function ctype_upper($text)
{
$text = self::convert_int_to_char_for_ctype($text);
return \is_string($text) && '' !== $text && !preg_match('/[^A-Z]/', $text);
}