PermissionChecker.php
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<?php
namespace AC;
use WP_User;
class PermissionChecker {
/**
* @param ListScreen $list_screen
* @param WP_User|null $user
*
* @return bool
*/
public function is_valid( ListScreen $list_screen, WP_User $user = null ) {
if ( null === $user ) {
$user = wp_get_current_user();
}
$users = $list_screen->get_preference( 'users' );
$roles = $list_screen->get_preference( 'roles' );
$users = is_array( $users )
? array_map( 'intval', $users )
: [];
if ( empty( $users ) && empty( $roles ) ) {
return true;
}
if ( $roles && is_array( $roles ) ) {
foreach ( $roles as $role ) {
if ( $user->has_cap( $role ) ) {
return true;
}
}
}
return $users && in_array( $user->ID, $users, true );
}
}