WP_List_Util

16#[AllowDynamicProperties]17class WP_List_Util {18	/**19	 * The input array.20	 *21	 * @since 4.7.022	 * @var array23	 */24	private $input = array();25 26	/**27	 * The output array.28	 *29	 * @since 4.7.030	 * @var array31	 */32	private $output = array();33 34	/**35	 * Temporary arguments for sorting.36	 *37	 * @since 4.7.038	 * @var string[]39	 */40	private $orderby = array();41 42	/**43	 * Constructor.44	 *45	 * Sets the input array.46	 *47	 * @since 4.7.048	 *49	 * @param array $input Array to perform operations on.50	 */51	public function __construct( $input ) {52		$this->output = $input;53		$this->input  = $input;54	}55 56	/**57	 * Returns the original input array.58	 *59	 * @since 4.7.060	 *61	 * @return array The input array.62	 */63	public function get_input() {64		return $this->input;65	}66 67	/**68	 * Returns the output array.69	 *70	 * @since 4.7.071	 *72	 * @return array The output array.73	 */74	public function get_output() {75		return $this->output;76	}77 78	/**79	 * Filters the list, based on a set of key => value arguments.80	 *81	 * Retrieves the objects from the list that match the given arguments.82	 * Key represents property name, and value represents property value.83	 *84	 * If an object has more properties than those specified in arguments,85	 * that will not disqualify it. When using the 'AND' operator,86	 * any missing properties will disqualify it.87	 *88	 * @since 4.7.089	 *90	 * @param array  $args     Optional. An array of key => value arguments to match91	 *                         against each object. Default empty array.92	 * @param string $operator Optional. The logical operation to perform. 'AND' means93	 *                         all elements from the array must match. 'OR' means only94	 *                         one element needs to match. 'NOT' means no elements may95	 *                         match. Default 'AND'.