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wp-content/plugins/advanced-custom-fields/includes/locations/class-acf-location-current-user.php

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+<?php
+
+if ( ! defined( 'ABSPATH' ) ) {
+	exit; // Exit if accessed directly
+}
+
+if ( ! class_exists( 'ACF_Location_Current_User' ) ) :
+
+	class ACF_Location_Current_User extends ACF_Location {
+
+		/**
+		 * Initializes props.
+		 *
+		 * @date    5/03/2014
+		 * @since   5.0.0
+		 *
+		 * @param   void
+		 * @return  void
+		 */
+		public function initialize() {
+			$this->name     = 'current_user';
+			$this->label    = __( 'Current User', 'acf' );
+			$this->category = 'user';
+		}
+
+		/**
+		 * Matches the provided rule against the screen args returning a bool result.
+		 *
+		 * @date    9/4/20
+		 * @since   5.9.0
+		 *
+		 * @param   array $rule The location rule.
+		 * @param   array $screen The screen args.
+		 * @param   array $field_group The field group settings.
+		 * @return  bool
+		 */
+		public function match( $rule, $screen, $field_group ) {
+			switch ( $rule['value'] ) {
+				case 'logged_in':
+					$result = is_user_logged_in();
+					break;
+				case 'viewing_front':
+					$result = ! is_admin();
+					break;
+				case 'viewing_back':
+					$result = is_admin();
+					break;
+				default:
+					$result = false;
+					break;
+			}
+
+			// Reverse result for "!=" operator.
+			if ( $rule['operator'] === '!=' ) {
+				return ! $result;
+			}
+			return $result;
+		}
+
+		/**
+		 * Returns an array of possible values for this rule type.
+		 *
+		 * @date    9/4/20
+		 * @since   5.9.0
+		 *
+		 * @param   array $rule A location rule.
+		 * @return  array
+		 */
+		public function get_values( $rule ) {
+			return array(
+				'logged_in'     => __( 'Logged in', 'acf' ),
+				'viewing_front' => __( 'Viewing front end', 'acf' ),
+				'viewing_back'  => __( 'Viewing back end', 'acf' ),
+			);
+		}
+	}
+
+	// Register.
+	acf_register_location_type( 'ACF_Location_Current_User' );
+
+endif; // class_exists check