Finds and returns all cache entry identifiers which are tagged by the
specified tag.
| public findIdentifiersByTag ( string $tag ) : array | ||
| $tag | string | The tag to search for |
| Результат | array | An array with identifiers of all matching entries. An empty array if no entries matched |
/**
* @test
*/
public function findIdentifiersByTagFindsCacheEntriesWithSpecifiedTag()
{
$cache = $this->createMock(FrontendInterface::class);
$backend = new TransientMemoryBackend($this->getEnvironmentConfiguration());
$backend->setCache($cache);
$data = 'Some data';
$entryIdentifier = 'MyIdentifier';
$backend->set($entryIdentifier, $data, ['UnitTestTag%tag1', 'UnitTestTag%tag2']);
$retrieved = $backend->findIdentifiersByTag('UnitTestTag%tag1');
$this->assertEquals($entryIdentifier, $retrieved[0]);
$retrieved = $backend->findIdentifiersByTag('UnitTestTag%tag2');
$this->assertEquals($entryIdentifier, $retrieved[0]);
}
