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<?php |
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/** |
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* MslsSqlCacher |
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* |
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* @author Dennis Ploetner <[email protected]> |
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* @since 1.0 |
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*/ |
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namespace lloc\Msls; |
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/** |
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* Wrapper to avoid direct SQL without caching |
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* |
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* @example https://gist.githubusercontent.com/lloc/2c232cef3f910acf692f/raw/91e5fe9ada922a82a32b83eaabad1e2a2ee50338/MslsSqlCacher.php |
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* |
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* @method mixed get_var( string $sql ) |
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* @method array get_results( string $sql ) |
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* @method string prepare( string $sql, mixed $a, $b = '', $c = '' ) |
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* @method mixed query( string $sql ) |
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* @property string $posts |
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* @property string $options |
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* @property string $blogs |
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* @property int $blogid |
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* @property int $siteid |
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* @package Msls |
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*/ |
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class MslsSqlCacher { |
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/** |
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* Database object |
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* |
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* @var object $db |
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*/ |
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protected $db; |
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/** |
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* Name of the object which created this object |
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* |
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* @var string $caller |
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*/ |
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protected $caller; |
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/** |
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* Parameters are used to create the key for the cached resultset |
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* |
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* @var mixed $params |
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*/ |
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protected $params; |
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/** |
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* Constructor |
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* |
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* @param \WPDB $db |
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* @param $caller |
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*/ |
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public function __construct( \WPDB $db, $caller ) { |
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$this->db = $db; |
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$this->caller = $caller; |
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} |
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/** |
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* Factory |
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* |
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* @uses \WPDB $wpdb |
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* |
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* @param string $caller |
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* |
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* @return MslsSqlCacher |
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*/ |
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public static function init( $caller ) { |
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global $wpdb; |
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return new self( $wpdb, $caller ); |
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} |
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/** |
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* Set params |
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* |
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* @param mixed $params |
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* |
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* @return MslsSqlCacher |
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*/ |
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public function set_params( $params ) { |
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$this->params = $params; |
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return $this; |
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} |
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/** |
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* Get the name of the key which is in use for the cached object |
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* |
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* @return string |
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*/ |
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public function get_key() { |
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$params = ( |
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is_array( $this->params ) ? |
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implode( '_', $this->params ) : |
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$this->params |
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); |
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return $this->caller . '_' . $params; |
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} |
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/** |
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* Magic __get |
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* |
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* @param string $key |
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* |
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* @return mixed |
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*/ |
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public function __get( $key ) { |
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return ( isset( $this->db->$key ) ? $this->db->$key : null ); |
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} |
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/** |
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* Call a method of the db-object with the needed args and cache the result |
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* |
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* @param string $method |
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* @param array $args |
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* |
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* @return mixed |
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*/ |
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public function __call( $method, $args ) { |
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if ( 'get_' != substr( $method, 0, 4 ) ) { |
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$result = call_user_func_array( [ $this->db, $method ], $args ); |
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} else { |
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$key = $this->get_key(); |
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$result = wp_cache_get( $key ); |
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if ( false === $result ) { |
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$result = call_user_func_array( [ $this->db, $method ], $args ); |
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wp_cache_set( $key, $result ); |
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} |
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} |
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return $result; |
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} |
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} |
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lloc /
Multisite-Language-Switcher
