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/wp-includes/ -> class-wp-role.php (source)

   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 bool[] Array of key/value pairs where keys represent a capability name and boolean values
  29       *             represent whether the role has that capability.
  30       */
  31      public $capabilities;
  32  
  33      /**
  34       * Constructor - Set up object properties.
  35       *
  36       * The list of capabilities must have the key as the name of the capability
  37       * and the value a boolean of whether it is granted to the role.
  38       *
  39       * @since 2.0.0
  40       *
  41       * @param string $role         Role name.
  42       * @param bool[] $capabilities Array of key/value pairs where keys represent a capability name and boolean values
  43       *                             represent whether the role has that capability.
  44       */
  45  	public function __construct( $role, $capabilities ) {
  46          $this->name         = $role;
  47          $this->capabilities = $capabilities;
  48      }
  49  
  50      /**
  51       * Assign role a capability.
  52       *
  53       * @since 2.0.0
  54       *
  55       * @param string $cap   Capability name.
  56       * @param bool   $grant Whether role has capability privilege.
  57       */
  58  	public function add_cap( $cap, $grant = true ) {
  59          $this->capabilities[ $cap ] = $grant;
  60          wp_roles()->add_cap( $this->name, $cap, $grant );
  61      }
  62  
  63      /**
  64       * Removes a capability from a role.
  65       *
  66       * @since 2.0.0
  67       *
  68       * @param string $cap Capability name.
  69       */
  70  	public function remove_cap( $cap ) {
  71          unset( $this->capabilities[ $cap ] );
  72          wp_roles()->remove_cap( $this->name, $cap );
  73      }
  74  
  75      /**
  76       * Determines whether the role has the given capability.
  77       *
  78       * @since 2.0.0
  79       *
  80       * @param string $cap Capability name.
  81       * @return bool Whether the role has the given capability.
  82       */
  83  	public function has_cap( $cap ) {
  84          /**
  85           * Filters which capabilities a role has.
  86           *
  87           * @since 2.0.0
  88           *
  89           * @param bool[] $capabilities Array of key/value pairs where keys represent a capability name and boolean values
  90           *                             represent whether the role has that capability.
  91           * @param string $cap          Capability name.
  92           * @param string $name         Role name.
  93           */
  94          $capabilities = apply_filters( 'role_has_cap', $this->capabilities, $cap, $this->name );
  95  
  96          if ( ! empty( $capabilities[ $cap ] ) ) {
  97              return $capabilities[ $cap ];
  98          } else {
  99              return false;
 100          }
 101      }
 102  
 103  }


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