Removes all cache entries of this cache which are tagged by the specified tag.
| public flushByTag ( string $tag ) : integer | ||
| $tag | string | The tag the entries must have |
| Результат | integer | The number of entries which have been affected by this flush |
/**
* @test
*/
public function flushByTagRemovesCacheEntriesWithSpecifiedTag()
{
$cache = $this->createMock(FrontendInterface::class);
$backend = new TransientMemoryBackend($this->getEnvironmentConfiguration());
$backend->setCache($cache);
$data = 'some data' . microtime();
$backend->set('TransientMemoryBackendTest1', $data, ['UnitTestTag%test', 'UnitTestTag%boring']);
$backend->set('TransientMemoryBackendTest2', $data, ['UnitTestTag%test', 'UnitTestTag%special']);
$backend->set('TransientMemoryBackendTest3', $data, ['UnitTestTag%test']);
$backend->flushByTag('UnitTestTag%special');
$this->assertTrue($backend->has('TransientMemoryBackendTest1'), 'TransientMemoryBackendTest1');
$this->assertFalse($backend->has('TransientMemoryBackendTest2'), 'TransientMemoryBackendTest2');
$this->assertTrue($backend->has('TransientMemoryBackendTest3'), 'TransientMemoryBackendTest3');
}
