Can handle single- and multi-key deletes.
| public static delete ( string $name, mixed $key, array $options = [] ) : boolean | ||
| $name | string | The cache configuration to delete from. |
| $key | mixed | Key to be deleted or an array of keys to delete. |
| $options | array | Options for the method and strategies. - `'conditions'` _mixed_: A function or item that must return or evaluate to `true` in order to continue write operation. |
| Résultat | boolean | `true` on successful cache delete, `false` otherwise. When deleting multiple items and an error occurs deleting any of the items the whole operation fails and this method will return `false`. |
public function testDelete()
{
Cache::write($this->cachedName, 'foo', 'bar');
Cache::write($this->cachedName, 'foobar', 'baz');
$result = Cache::read($this->cachedName, 'foo');
$this->assertEqual('bar', $result);
$result = Cache::read($this->cachedName, 'foobar');
$this->assertEqual('baz', $result);
Cache::delete($this->cachedName, 'foobar');
$result = Cache::read($this->cachedName, 'foo');
$this->assertEqual('bar', $result);
$result = Cache::read($this->cachedName, 'foobar');
$this->assertEqual(null, $result);
}
public function testCacheWriteAndDeleteWithConditions()
{
$config = array('default' => array('adapter' => 'Memory', 'filters' => array()));
Cache::config($config);
$result = Cache::config();
$expected = $config;
$this->assertEqual($expected, $result);
$anonymous = function () use(&$config) {
return isset($config['default']);
};
$result = Cache::delete('non_existing', 'key_value', $anonymous);
$this->assertFalse($result);
$result = Cache::write('default', 'to delete', 'dead data', '+1 minute');
$this->assertTrue($result);
$result = Cache::delete('default', 'to delete', function () {
return false;
});
$this->assertFalse($result);
$result = Cache::delete('default', 'to delete', $anonymous);
$this->assertTrue($result);
}
public static function cache_delete($key, $cache_name = 'default')
{
$key = self::_get_cache_name($key);
return Cache::delete($cache_name, $key);
}
/**
* Rebuild asset cache file
* @param string $filename The name of the file to cache or test caching on
* @param string $content File contents to be cached
* @param array $options Options to handle cache length, location, so on.
*/
private function setCache($filename, $content, $options = array())
{
// Create css cache dir if it doesnt exist.
if (!is_dir($cache_location = CACHE_DIR . "/{$options['location']}")) {
mkdir($cache_location, 0755, true);
}
$defaults = array('length' => '+1 year', 'location' => 'templates');
$options += $defaults;
$name_sections = explode('_', $filename);
$like_files = $name_sections[0];
// loop thru cache and delete old cache file
if (!$this->_production && ($handle = opendir($cache_location))) {
while (false !== ($oldfile = readdir($handle))) {
if (preg_match("/^{$like_files}/", $oldfile)) {
Cache::delete('default', "{$options['location']}/{$oldfile}");
}
}
closedir($handle);
}
Cache::write('default', "{$options['location']}/{$filename}", $content, $options['length']);
}
