function Assert::unicodeLetters

@psalm-pure

Parameters

mixed $value:

string $message:

Throws

InvalidArgumentException

File

vendor/webmozart/assert/src/Assert.php, line 1198

Class

Assert

Efficient assertions to validate the input/output of your methods.

Namespace

Webmozart\Assert

Code

public static function unicodeLetters($value, $message = '') {
    static::string($value);
    if (!\preg_match('/^\\p{L}+$/u', $value)) {
        static::reportInvalidArgument(\sprintf($message ?: 'Expected a value to contain only Unicode letters. Got: %s', static::valueToString($value)));
    }
}