Validates an array of cache tags.

Can be called before using cache tags in operations, to ensure validity.

Parameters

string[] $tags: An array of cache tags.

Throws

\LogicException

1 call to Cache::validateTags()

CacheTest::testValidateTags in core/tests/Drupal/Tests/Core/Cache/CacheTest.php

@covers ::validateTags

File

core/lib/Drupal/Core/Cache/Cache.php, line 105

Class

Cache

Helper methods for cache.

Namespace

Drupal\Core\Cache

Code

public static function validateTags(array $tags) {
    @trigger_error(__NAMESPACE__ . '\\Cache::validateTags() is deprecated in drupal:8.0.0 and is removed from drupal:9.0.0. Use assert(\\Drupal\\Component\\Assertion\\Inspector::assertAllStrings($tags)) instead.', E_USER_DEPRECATED);
    if (empty($tags)) {
        return;
    }
    foreach ($tags as $value) {
        if (!is_string($value)) {
            throw new \LogicException('Cache tags must be strings, ' . gettype($value) . ' given.');
        }
    }
}

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