function Mixin::allNullOrUpper

@psalm-pure @psalm-assert iterable<!lowercase-string|null> $value

Parameters

iterable<string|null> $value:

string $message:

Return value

void

Throws

InvalidArgumentException

File

vendor/webmozart/assert/src/Mixin.php, line 3432

Class

Mixin

This trait provides nurllOr*, all* and allNullOr* variants of assertion base methods. Do not use this trait directly: it will change, and is not designed for reuse.

Namespace

Webmozart\Assert

Code

public static function allNullOrUpper($value, $message = '') {
    static::isIterable($value);
    foreach ($value as $entry) {
        null === $entry || static::upper($entry, $message);
    }
}