function testDelete()
{
$scope = __FUNCTION__;
Redis::config(array('format' => $scope));
$this->assertEqual('test', $this->redis->set("{$scope}:bar", 'test'));
$this->assertEqual(1, Redis::delete('bar'));
$this->assertEqual(1, $this->redis->incr("{$scope}:baz"));
$this->assertEqual(1, Redis::delete('baz'));
$this->assertEqual(0, Redis::delete('non-existent'));
$this->assertTrue($this->redis->hMset("{$scope}:foo", array('name' => 'Joe', 'salary' => 2000)));
$this->assertEqual(1, Redis::delete('foo'));
}
/**
* delete given values from Stats, or a whole stats set at once
*
* {{{
* Stats::delete('foo'); // will remove the whole set
* Stats::delete('foo', 'field'); // will remove `field` from `foo`
* Stats::delete('foo', array('field')); // same as above
* Stats::delete('foo', array('field1', 'field2')); // will remove both fields from `foo`
* }}}
*
*
* @see li3_redis\storage\Stats::inc()
* @see li3_redis\storage\Redis::getKey()
* @param string $key redis key which identifies the hash
* @param string|array $fields a string to remove a field from given hash or an array thereof.
* @param string|array $buckets an array of additional prefixes, can be a numerical indexed
* array with strings, or an associated array, in which the key and value will be glued
* together by a separater or just a string, for one additional prefix.
* @param array $options array with additional options, see Redis::getKey()
* @return integer count of values that has been removed
* @filter
*/
public static function delete($key, $fields = null, $buckets = 'global', array $options = array())
{
$defaults = array('namespace' => static::$namespace);
$options += $defaults;
$params = compact('key', 'fields', 'buckets', 'options');
return static::_filter(__METHOD__, $params, function ($self, $params) {
extract($params);
$result = array();
$buckets = !is_array($buckets) ? array($buckets) : $buckets;
foreach ($buckets as $prefix => $val) {
$options['prefix'] = !is_numeric($prefix) ? Redis::addPrefix($val, $prefix) : $val;
if (empty($fields)) {
$result[] = Redis::delete($key, $options);
} else {
$return = Redis::deleteFromHash($key, $fields, $options);
$result[] = is_numeric($return) ? $return : array_sum($return);
}
}
return array_sum($result);
});
}
