wp/wp-includes/class-wp-role.php
changeset 7 cf61fcea0001
child 9 177826044cd9
equal deleted inserted replaced
6:490d5cc509ed 7:cf61fcea0001
       
     1 <?php
       
     2 /**
       
     3  * User API: WP_Role class
       
     4  *
       
     5  * @package WordPress
       
     6  * @subpackage Users
       
     7  * @since 4.4.0
       
     8  */
       
     9 
       
    10 /**
       
    11  * Core class used to extend the user roles API.
       
    12  *
       
    13  * @since 2.0.0
       
    14  */
       
    15 class WP_Role {
       
    16 	/**
       
    17 	 * Role name.
       
    18 	 *
       
    19 	 * @since 2.0.0
       
    20 	 * @var string
       
    21 	 */
       
    22 	public $name;
       
    23 
       
    24 	/**
       
    25 	 * List of capabilities the role contains.
       
    26 	 *
       
    27 	 * @since 2.0.0
       
    28 	 * @var array
       
    29 	 */
       
    30 	public $capabilities;
       
    31 
       
    32 	/**
       
    33 	 * Constructor - Set up object properties.
       
    34 	 *
       
    35 	 * The list of capabilities, must have the key as the name of the capability
       
    36 	 * and the value a boolean of whether it is granted to the role.
       
    37 	 *
       
    38 	 * @since 2.0.0
       
    39 	 *
       
    40 	 * @param string $role Role name.
       
    41 	 * @param array $capabilities List of capabilities.
       
    42 	 */
       
    43 	public function __construct( $role, $capabilities ) {
       
    44 		$this->name = $role;
       
    45 		$this->capabilities = $capabilities;
       
    46 	}
       
    47 
       
    48 	/**
       
    49 	 * Assign role a capability.
       
    50 	 *
       
    51 	 * @since 2.0.0
       
    52 	 *
       
    53 	 * @param string $cap Capability name.
       
    54 	 * @param bool $grant Whether role has capability privilege.
       
    55 	 */
       
    56 	public function add_cap( $cap, $grant = true ) {
       
    57 		$this->capabilities[$cap] = $grant;
       
    58 		wp_roles()->add_cap( $this->name, $cap, $grant );
       
    59 	}
       
    60 
       
    61 	/**
       
    62 	 * Removes a capability from a role.
       
    63 	 *
       
    64 	 * This is a container for WP_Roles::remove_cap() to remove the
       
    65 	 * capability from the role. That is to say, that WP_Roles::remove_cap()
       
    66 	 * implements the functionality, but it also makes sense to use this class,
       
    67 	 * because you don't need to enter the role name.
       
    68 	 *
       
    69 	 * @since 2.0.0
       
    70 	 *
       
    71 	 * @param string $cap Capability name.
       
    72 	 */
       
    73 	public function remove_cap( $cap ) {
       
    74 		unset( $this->capabilities[$cap] );
       
    75 		wp_roles()->remove_cap( $this->name, $cap );
       
    76 	}
       
    77 
       
    78 	/**
       
    79 	 * Determines whether the role has the given capability.
       
    80 	 *
       
    81 	 * The capabilities is passed through the {@see 'role_has_cap'} filter.
       
    82 	 * The first parameter for the hook is the list of capabilities the class
       
    83 	 * has assigned. The second parameter is the capability name to look for.
       
    84 	 * The third and final parameter for the hook is the role name.
       
    85 	 *
       
    86 	 * @since 2.0.0
       
    87 	 *
       
    88 	 * @param string $cap Capability name.
       
    89 	 * @return bool True if the role has the given capability. False otherwise.
       
    90 	 */
       
    91 	public function has_cap( $cap ) {
       
    92 		/**
       
    93 		 * Filters which capabilities a role has.
       
    94 		 *
       
    95 		 * @since 2.0.0
       
    96 		 *
       
    97 		 * @param array  $capabilities Array of role capabilities.
       
    98 		 * @param string $cap          Capability name.
       
    99 		 * @param string $name         Role name.
       
   100 		 */
       
   101 		$capabilities = apply_filters( 'role_has_cap', $this->capabilities, $cap, $this->name );
       
   102 
       
   103 		if ( !empty( $capabilities[$cap] ) )
       
   104 			return $capabilities[$cap];
       
   105 		else
       
   106 			return false;
       
   107 	}
       
   108 
       
   109 }