Location: PHPKode > projects > BuddyPress > buddypress/bp-xprofile/bp-xprofile-caps.php
<?php

/**
 * Roles and capabilities logic for the XProfile component
 *
 * @package BuddyPress
 * @since 1.6
 */

// Exit if accessed directly
if ( ! defined( 'ABSPATH' ) ) exit;

/**
 * Maps XProfile caps to built in WordPress caps
 *
 * @since 1.6
 *
 * @param array $caps Capabilities for meta capability
 * @param string $cap Capability name
 * @param int $user_id User id
 * @param mixed $args Arguments
 * @uses get_post() To get the post
 * @uses get_post_type_object() To get the post type object
 * @uses apply_filters() Calls 'bp_map_meta_caps' with caps, cap, user id and
 *                        args
 * @return array Actual capabilities for meta capability
 */
function bp_xprofile_map_meta_caps( $caps, $cap, $user_id, $args ) {
	switch ( $cap ) {
		case 'bp_xprofile_change_field_visibility' :
			$caps = array( 'exist' ); // Must allow for logged-out users during registration

			// You may pass args manually: $field_id, $profile_user_id
			$field_id        = isset( $args[0] ) ? (int)$args[0] : bp_get_the_profile_field_id();
			$profile_user_id = isset( $args[1] ) ? (int)$args[1] : bp_displayed_user_id();

			// Visibility on the fullname field is not editable
			if ( 1 == $field_id ) {
				$caps[] = 'do_not_allow';
				break;
			}

			// Has the admin disabled visibility modification for this field?
			if ( 'disabled' == bp_xprofile_get_meta( $field_id, 'field', 'allow_custom_visibility' ) ) {
				$caps[] = 'do_not_allow';
				break;
			}

			// Friends don't let friends edit each other's visibility
			if ( $profile_user_id != bp_displayed_user_id() && !bp_current_user_can( 'bp_moderate' ) ) {
				$caps[] = 'do_not_allow'; 
				break;
			}

			break;
	}

	return apply_filters( 'bp_xprofile_map_meta_caps', $caps, $cap, $user_id, $args );
}
add_filter( 'bp_map_meta_caps', 'bp_xprofile_map_meta_caps', 10, 4 );
?>
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