decrement() public static méthode

Performs a decrement operation on specified numeric cache item from the given cache configuration.
public static decrement ( string $name, string $key, integer $offset = 1, array $options = [] ) : integer | boolean
$name string Name of the cache configuration to use.
$key string Key of numeric cache item to decrement
$offset integer Offset to decrement - defaults to 1.
$options array Options for this method. - `'conditions'`: A function or item that must return or evaluate to `true` in order to continue operation.
Résultat integer | boolean Item's new value on successful decrement, false otherwise.
Cache Class Documentation
Exemple #1
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 public function testDecrement()
 {
     $config = array('default' => array('adapter' => 'Memory', 'filters' => array()));
     Cache::config($config);
     $result = Cache::config();
     $expected = $config;
     $this->assertEqual($expected, $result);
     $result = Cache::write('default', 'decrement', 5, '+1 minute');
     $this->assertTrue($result);
     $result = Cache::decrement('default', 'decrement');
     $this->assertTrue($result);
     $result = Cache::read('default', 'decrement');
     $this->assertEqual(4, $result);
 }