Same name in other branches

1. 8.9.x core/lib/Drupal/Component/Assertion/Inspector.php \Drupal\Component\Assertion\Inspector::assertAllStrings()
2. 10 core/lib/Drupal/Component/Assertion/Inspector.php \Drupal\Component\Assertion\Inspector::assertAllStrings()
3. 11.x core/lib/Drupal/Component/Assertion/Inspector.php \Drupal\Component\Assertion\Inspector::assertAllStrings()

Asserts that all members are strings.

Use this only if it is vital that the members not be objects, otherwise test with ::assertAllStringable().

Parameters

mixed $traversable: Variable to be examined.

Return value

bool TRUE if $traversable can be traversed and all members are strings.

23 calls to Inspector::assertAllStrings()

ApcuBackend::set in core/lib/Drupal/Core/Cache/ApcuBackend.php

Stores data in the persistent cache.

Cache::mergeTags in core/lib/Drupal/Core/Cache/Cache.php

Merges arrays of cache tags and removes duplicates.

CacheCollector::__construct in core/lib/Drupal/Core/Cache/CacheCollector.php

Constructs a CacheCollector object.

CacheTagsInvalidator::invalidateTags in core/lib/Drupal/Core/Cache/CacheTagsInvalidator.php

Marks cache items with any of the specified tags as invalid.

CKEditor4to5UpgradeCompletenessTest::testButtons in core/modules/ckeditor5/tests/src/Kernel/CKEditor4to5UpgradeCompletenessTest.php

Tests that all CKEditor 4 buttons in core have an upgrade path.

... See full list

File

core/lib/Drupal/Component/Assertion/Inspector.php, line 77

Class

Inspector

Generic inspections for the assert() statement.

Namespace

Drupal\Component\Assertion

Code

public static function assertAllStrings($traversable) {
    return static::assertAll('is_string', $traversable);
}

---