1 <?php

     2 /**

     3  * Dependencies API: _WP_Dependency class

     4  *

     5  * @since 4.7.0

     6  *

     7  * @package WordPress

     8  * @subpackage Dependencies

     9  */

    10 

    11 /**

    12  * Class _WP_Dependency

    13  *

    14  * Helper class to register a handle and associated data.

    15  *

    16  * @access private

    17  * @since 2.6.0

    18  */

    19 class _WP_Dependency {

    20 	/**

    21 	 * The handle name.

    22 	 *

    23 	 * @since 2.6.0

    24 	 * @var null

    25 	 */

    26 	public $handle;

    27 

    28 	/**

    29 	 * The handle source.

    30 	 *

    31 	 * @since 2.6.0

    32 	 * @var null

    33 	 */

    34 	public $src;

    35 

    36 	/**

    37 	 * An array of handle dependencies.

    38 	 *

    39 	 * @since 2.6.0

    40 	 * @var array

    41 	 */

    42 	public $deps = array();

    43 

    44 	/**

    45 	 * The handle version.

    46 	 *

    47 	 * Used for cache-busting.

    48 	 *

    49 	 * @since 2.6.0

    50 	 * @var bool|string

    51 	 */

    52 	public $ver = false;

    53 

    54 	/**

    55 	 * Additional arguments for the handle.

    56 	 *

    57 	 * @since 2.6.0

    58 	 * @var null

    59 	 */

    60 	public $args = null;  // Custom property, such as $in_footer or $media.

    61 

    62 	/**

    63 	 * Extra data to supply to the handle.

    64 	 *

    65 	 * @since 2.6.0

    66 	 * @var array

    67 	 */

    68 	public $extra = array();

    69 

    70 	/**

    71 	 * Setup dependencies.

    72 	 *

    73 	 * @since 2.6.0

    74 	 */

    75 	public function __construct() {

    76 		@list( $this->handle, $this->src, $this->deps, $this->ver, $this->args ) = func_get_args();

    77 		if ( ! is_array($this->deps) )

    78 			$this->deps = array();

    79 	}

    80 

    81 	/**

    82 	 * Add handle data.

    83 	 *

    84 	 * @since 2.6.0

    85 	 *

    86 	 * @param string $name The data key to add.

    87 	 * @param mixed  $data The data value to add.

    88 	 * @return bool False if not scalar, true otherwise.

    89 	 */

    90 	public function add_data( $name, $data ) {

    91 		if ( !is_scalar($name) )

    92 			return false;

    93 		$this->extra[$name] = $data;

    94 		return true;

    95 	}

    96 

    97 }