776 lines
24 KiB
PHP
776 lines
24 KiB
PHP
<?php
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/**
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* Advanced Custom Fields PRO
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*
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* @package ACF
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* @author WP Engine
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*
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* @wordpress-plugin
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* Plugin Name: Advanced Custom Fields PRO
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* Plugin URI: https://www.advancedcustomfields.com
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* Description: Customize WordPress with powerful, professional and intuitive fields.
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* Version: 6.1.6
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* Author: WP Engine
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* Author URI: https://wpengine.com/?utm_source=wordpress.org&utm_medium=referral&utm_campaign=plugin_directory&utm_content=advanced_custom_fields
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* Update URI: https://www.advancedcustomfields.com/pro
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* Text Domain: acf
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* Domain Path: /lang
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*/
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if ( ! defined( 'ABSPATH' ) ) {
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exit; // Exit if accessed directly.
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}
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if ( ! class_exists( 'ACF' ) ) {
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/**
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* The main ACF class
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*/
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#[AllowDynamicProperties]
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class ACF {
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/**
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* The plugin version number.
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*
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* @var string
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*/
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public $version = '6.1.6';
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/**
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* The plugin settings array.
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*
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* @var array
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*/
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public $settings = array();
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/**
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* The plugin data array.
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*
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* @var array
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*/
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public $data = array();
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/**
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* Storage for class instances.
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*
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* @var array
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*/
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public $instances = array();
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/**
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* A dummy constructor to ensure ACF is only setup once.
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*
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* @date 23/06/12
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* @since 5.0.0
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*
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* @return void
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*/
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public function __construct() {
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// Do nothing.
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}
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/**
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* Sets up the ACF plugin.
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*
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* @date 28/09/13
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* @since 5.0.0
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*
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* @return void
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*/
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public function initialize() {
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// Define constants.
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$this->define( 'ACF', true );
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$this->define( 'ACF_PATH', plugin_dir_path( __FILE__ ) );
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$this->define( 'ACF_BASENAME', plugin_basename( __FILE__ ) );
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$this->define( 'ACF_VERSION', $this->version );
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$this->define( 'ACF_MAJOR_VERSION', 6 );
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$this->define( 'ACF_FIELD_API_VERSION', 5 );
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$this->define( 'ACF_UPGRADE_VERSION', '5.5.0' ); // Highest version with an upgrade routine. See upgrades.php.
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// Define settings.
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$this->settings = array(
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'name' => __( 'Advanced Custom Fields', 'acf' ),
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'slug' => dirname( ACF_BASENAME ),
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'version' => ACF_VERSION,
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'basename' => ACF_BASENAME,
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'path' => ACF_PATH,
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'file' => __FILE__,
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'url' => plugin_dir_url( __FILE__ ),
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'show_admin' => true,
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'show_updates' => true,
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'enable_post_types' => true,
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'stripslashes' => false,
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'local' => true,
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'json' => true,
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'save_json' => '',
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'load_json' => array(),
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'default_language' => '',
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'current_language' => '',
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'capability' => 'manage_options',
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'uploader' => 'wp',
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'autoload' => false,
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'l10n' => true,
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'l10n_textdomain' => '',
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'google_api_key' => '',
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'google_api_client' => '',
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'enqueue_google_maps' => true,
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'enqueue_select2' => true,
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'enqueue_datepicker' => true,
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'enqueue_datetimepicker' => true,
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'select2_version' => 4,
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'row_index_offset' => 1,
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'remove_wp_meta_box' => true,
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'rest_api_enabled' => true,
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'rest_api_format' => 'light',
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'rest_api_embed_links' => true,
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'preload_blocks' => true,
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'enable_shortcode' => true,
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);
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// Include utility functions.
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include_once ACF_PATH . 'includes/acf-utility-functions.php';
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// Include previous API functions.
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acf_include( 'includes/api/api-helpers.php' );
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acf_include( 'includes/api/api-template.php' );
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acf_include( 'includes/api/api-term.php' );
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// Include classes.
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acf_include( 'includes/class-acf-data.php' );
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acf_include( 'includes/class-acf-internal-post-type.php' );
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acf_include( 'includes/fields/class-acf-field.php' );
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acf_include( 'includes/locations/abstract-acf-legacy-location.php' );
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acf_include( 'includes/locations/abstract-acf-location.php' );
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// Include functions.
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acf_include( 'includes/acf-helper-functions.php' );
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acf_include( 'includes/acf-hook-functions.php' );
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acf_include( 'includes/acf-field-functions.php' );
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acf_include( 'includes/acf-internal-post-type-functions.php' );
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acf_include( 'includes/acf-post-type-functions.php' );
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acf_include( 'includes/acf-taxonomy-functions.php' );
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acf_include( 'includes/acf-field-group-functions.php' );
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acf_include( 'includes/acf-form-functions.php' );
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acf_include( 'includes/acf-meta-functions.php' );
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acf_include( 'includes/acf-post-functions.php' );
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acf_include( 'includes/acf-user-functions.php' );
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acf_include( 'includes/acf-value-functions.php' );
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acf_include( 'includes/acf-input-functions.php' );
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acf_include( 'includes/acf-wp-functions.php' );
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// Include core.
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acf_include( 'includes/fields.php' );
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acf_include( 'includes/locations.php' );
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acf_include( 'includes/assets.php' );
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acf_include( 'includes/compatibility.php' );
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acf_include( 'includes/deprecated.php' );
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acf_include( 'includes/l10n.php' );
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acf_include( 'includes/local-fields.php' );
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acf_include( 'includes/local-meta.php' );
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acf_include( 'includes/local-json.php' );
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acf_include( 'includes/loop.php' );
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acf_include( 'includes/media.php' );
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acf_include( 'includes/revisions.php' );
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acf_include( 'includes/updates.php' );
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acf_include( 'includes/upgrades.php' );
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acf_include( 'includes/validation.php' );
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acf_include( 'includes/rest-api.php' );
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// Include field group class.
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acf_include( 'includes/post-types/class-acf-field-group.php' );
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// Include ajax.
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acf_include( 'includes/ajax/class-acf-ajax.php' );
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acf_include( 'includes/ajax/class-acf-ajax-check-screen.php' );
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acf_include( 'includes/ajax/class-acf-ajax-user-setting.php' );
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acf_include( 'includes/ajax/class-acf-ajax-upgrade.php' );
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acf_include( 'includes/ajax/class-acf-ajax-query.php' );
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acf_include( 'includes/ajax/class-acf-ajax-query-users.php' );
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acf_include( 'includes/ajax/class-acf-ajax-local-json-diff.php' );
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// Include forms.
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acf_include( 'includes/forms/form-attachment.php' );
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acf_include( 'includes/forms/form-comment.php' );
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acf_include( 'includes/forms/form-customizer.php' );
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acf_include( 'includes/forms/form-front.php' );
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acf_include( 'includes/forms/form-nav-menu.php' );
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acf_include( 'includes/forms/form-post.php' );
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acf_include( 'includes/forms/form-gutenberg.php' );
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acf_include( 'includes/forms/form-taxonomy.php' );
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acf_include( 'includes/forms/form-user.php' );
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acf_include( 'includes/forms/form-widget.php' );
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// Include admin.
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if ( is_admin() ) {
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acf_include( 'includes/admin/admin.php' );
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acf_include( 'includes/admin/admin-internal-post-type-list.php' );
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acf_include( 'includes/admin/admin-internal-post-type.php' );
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acf_include( 'includes/admin/admin-notices.php' );
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acf_include( 'includes/admin/admin-tools.php' );
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acf_include( 'includes/admin/admin-upgrade.php' );
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}
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// Include polyfill for < PHP7 unserialize.
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if ( PHP_VERSION_ID < 70000 ) {
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acf_include( 'vendor/polyfill-unserialize/src/Unserialize.php' );
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acf_include( 'vendor/polyfill-unserialize/src/DisallowedClassesSubstitutor.php' );
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}
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// Include legacy.
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acf_include( 'includes/legacy/legacy-locations.php' );
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// Include PRO.
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acf_include( 'pro/acf-pro.php' );
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// Add actions.
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add_action( 'init', array( $this, 'register_post_status' ), 4 );
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add_action( 'init', array( $this, 'init' ), 5 );
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add_action( 'init', array( $this, 'register_post_types' ), 5 );
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add_action( 'activated_plugin', array( $this, 'deactivate_other_instances' ) );
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add_action( 'pre_current_active_plugins', array( $this, 'plugin_deactivated_notice' ) );
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// Add filters.
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add_filter( 'posts_where', array( $this, 'posts_where' ), 10, 2 );
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}
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/**
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* Completes the setup process on "init" of earlier.
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*
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* @date 28/09/13
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* @since 5.0.0
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*
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* @return void
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*/
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public function init() {
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// Bail early if called directly from functions.php or plugin file.
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if ( ! did_action( 'plugins_loaded' ) ) {
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return;
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}
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// This function may be called directly from template functions. Bail early if already did this.
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if ( acf_did( 'init' ) ) {
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return;
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}
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// Update url setting. Allows other plugins to modify the URL (force SSL).
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acf_update_setting( 'url', plugin_dir_url( __FILE__ ) );
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// Load textdomain file.
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acf_load_textdomain();
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// Include 3rd party compatiblity.
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acf_include( 'includes/third-party.php' );
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// Include wpml support.
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if ( defined( 'ICL_SITEPRESS_VERSION' ) ) {
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acf_include( 'includes/wpml.php' );
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}
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// Add post types and taxonomies.
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if ( acf_get_setting( 'enable_post_types' ) ) {
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acf_include( 'includes/post-types/class-acf-post-type.php' );
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acf_include( 'includes/post-types/class-acf-taxonomy.php' );
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}
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// Include fields.
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acf_include( 'includes/fields/class-acf-field-text.php' );
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acf_include( 'includes/fields/class-acf-field-textarea.php' );
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acf_include( 'includes/fields/class-acf-field-number.php' );
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acf_include( 'includes/fields/class-acf-field-range.php' );
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acf_include( 'includes/fields/class-acf-field-email.php' );
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acf_include( 'includes/fields/class-acf-field-url.php' );
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acf_include( 'includes/fields/class-acf-field-password.php' );
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acf_include( 'includes/fields/class-acf-field-image.php' );
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acf_include( 'includes/fields/class-acf-field-file.php' );
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acf_include( 'includes/fields/class-acf-field-wysiwyg.php' );
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acf_include( 'includes/fields/class-acf-field-oembed.php' );
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acf_include( 'includes/fields/class-acf-field-select.php' );
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acf_include( 'includes/fields/class-acf-field-checkbox.php' );
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acf_include( 'includes/fields/class-acf-field-radio.php' );
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acf_include( 'includes/fields/class-acf-field-button-group.php' );
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acf_include( 'includes/fields/class-acf-field-true_false.php' );
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acf_include( 'includes/fields/class-acf-field-link.php' );
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acf_include( 'includes/fields/class-acf-field-post_object.php' );
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acf_include( 'includes/fields/class-acf-field-page_link.php' );
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acf_include( 'includes/fields/class-acf-field-relationship.php' );
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acf_include( 'includes/fields/class-acf-field-taxonomy.php' );
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acf_include( 'includes/fields/class-acf-field-user.php' );
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acf_include( 'includes/fields/class-acf-field-google-map.php' );
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acf_include( 'includes/fields/class-acf-field-date_picker.php' );
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acf_include( 'includes/fields/class-acf-field-date_time_picker.php' );
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acf_include( 'includes/fields/class-acf-field-time_picker.php' );
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acf_include( 'includes/fields/class-acf-field-color_picker.php' );
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acf_include( 'includes/fields/class-acf-field-message.php' );
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acf_include( 'includes/fields/class-acf-field-accordion.php' );
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acf_include( 'includes/fields/class-acf-field-tab.php' );
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acf_include( 'includes/fields/class-acf-field-group.php' );
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/**
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* Fires after field types have been included.
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*
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* @date 28/09/13
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* @since 5.0.0
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*
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* @param int ACF_FIELD_API_VERSION The field API version.
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*/
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do_action( 'acf/include_field_types', ACF_FIELD_API_VERSION );
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// Include locations.
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acf_include( 'includes/locations/class-acf-location-post-type.php' );
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acf_include( 'includes/locations/class-acf-location-post-template.php' );
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acf_include( 'includes/locations/class-acf-location-post-status.php' );
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acf_include( 'includes/locations/class-acf-location-post-format.php' );
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acf_include( 'includes/locations/class-acf-location-post-category.php' );
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acf_include( 'includes/locations/class-acf-location-post-taxonomy.php' );
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acf_include( 'includes/locations/class-acf-location-post.php' );
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acf_include( 'includes/locations/class-acf-location-page-template.php' );
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acf_include( 'includes/locations/class-acf-location-page-type.php' );
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acf_include( 'includes/locations/class-acf-location-page-parent.php' );
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acf_include( 'includes/locations/class-acf-location-page.php' );
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acf_include( 'includes/locations/class-acf-location-current-user.php' );
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acf_include( 'includes/locations/class-acf-location-current-user-role.php' );
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acf_include( 'includes/locations/class-acf-location-user-form.php' );
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acf_include( 'includes/locations/class-acf-location-user-role.php' );
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acf_include( 'includes/locations/class-acf-location-taxonomy.php' );
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acf_include( 'includes/locations/class-acf-location-attachment.php' );
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acf_include( 'includes/locations/class-acf-location-comment.php' );
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acf_include( 'includes/locations/class-acf-location-widget.php' );
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acf_include( 'includes/locations/class-acf-location-nav-menu.php' );
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acf_include( 'includes/locations/class-acf-location-nav-menu-item.php' );
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/**
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* Fires after location types have been included.
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*
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* @date 28/09/13
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* @since 5.0.0
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*
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* @param int ACF_FIELD_API_VERSION The field API version.
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*/
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do_action( 'acf/include_location_rules', ACF_FIELD_API_VERSION );
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/**
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* Fires during initialization. Used to add local fields.
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*
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* @date 28/09/13
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* @since 5.0.0
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*
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* @param int ACF_FIELD_API_VERSION The field API version.
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*/
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do_action( 'acf/include_fields', ACF_FIELD_API_VERSION );
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/**
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* Fires during initialization. Used to add local post types.
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*
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* @since 6.1
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*
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* @param int ACF_MAJOR_VERSION The major version of ACF.
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*/
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do_action( 'acf/include_post_types', ACF_MAJOR_VERSION );
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/**
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* Fires during initialization. Used to add local taxonomies.
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*
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* @since 6.1
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*
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* @param int ACF_MAJOR_VERSION The major version of ACF.
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*/
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do_action( 'acf/include_taxonomies', ACF_MAJOR_VERSION );
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/**
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* Fires after ACF is completely "initialized".
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*
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* @date 28/09/13
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* @since 5.0.0
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*
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* @param int ACF_MAJOR_VERSION The major version of ACF.
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*/
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do_action( 'acf/init', ACF_MAJOR_VERSION );
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}
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/**
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* Registers the ACF post types.
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*
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* @date 22/10/2015
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* @since 5.3.2
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*
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* @return void
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*/
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public function register_post_types() {
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$cap = acf_get_setting( 'capability' );
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// Register the Field Group post type.
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register_post_type(
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'acf-field-group',
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array(
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'labels' => array(
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'name' => __( 'Field Groups', 'acf' ),
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'singular_name' => __( 'Field Group', 'acf' ),
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'add_new' => __( 'Add New', 'acf' ),
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'add_new_item' => __( 'Add New Field Group', 'acf' ),
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'edit_item' => __( 'Edit Field Group', 'acf' ),
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'new_item' => __( 'New Field Group', 'acf' ),
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'view_item' => __( 'View Field Group', 'acf' ),
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'search_items' => __( 'Search Field Groups', 'acf' ),
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'not_found' => __( 'No Field Groups found', 'acf' ),
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'not_found_in_trash' => __( 'No Field Groups found in Trash', 'acf' ),
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),
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'public' => false,
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'hierarchical' => true,
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'show_ui' => true,
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'show_in_menu' => false,
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'_builtin' => false,
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'capability_type' => 'post',
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'capabilities' => array(
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'edit_post' => $cap,
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'delete_post' => $cap,
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'edit_posts' => $cap,
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'delete_posts' => $cap,
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),
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'supports' => false,
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'rewrite' => false,
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'query_var' => false,
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)
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);
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// Register the Field post type.
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register_post_type(
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'acf-field',
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array(
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'labels' => array(
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'name' => __( 'Fields', 'acf' ),
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'singular_name' => __( 'Field', 'acf' ),
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|
'add_new' => __( 'Add New', 'acf' ),
|
|
'add_new_item' => __( 'Add New Field', 'acf' ),
|
|
'edit_item' => __( 'Edit Field', 'acf' ),
|
|
'new_item' => __( 'New Field', 'acf' ),
|
|
'view_item' => __( 'View Field', 'acf' ),
|
|
'search_items' => __( 'Search Fields', 'acf' ),
|
|
'not_found' => __( 'No Fields found', 'acf' ),
|
|
'not_found_in_trash' => __( 'No Fields found in Trash', 'acf' ),
|
|
),
|
|
'public' => false,
|
|
'hierarchical' => true,
|
|
'show_ui' => false,
|
|
'show_in_menu' => false,
|
|
'_builtin' => false,
|
|
'capability_type' => 'post',
|
|
'capabilities' => array(
|
|
'edit_post' => $cap,
|
|
'delete_post' => $cap,
|
|
'edit_posts' => $cap,
|
|
'delete_posts' => $cap,
|
|
),
|
|
'supports' => array( 'title' ),
|
|
'rewrite' => false,
|
|
'query_var' => false,
|
|
)
|
|
);
|
|
}
|
|
|
|
/**
|
|
* Registers the ACF post statuses.
|
|
*
|
|
* @date 22/10/2015
|
|
* @since 5.3.2
|
|
*
|
|
* @return void
|
|
*/
|
|
public function register_post_status() {
|
|
|
|
// Register the Inactive post status.
|
|
register_post_status(
|
|
'acf-disabled',
|
|
array(
|
|
'label' => _x( 'Inactive', 'post status', 'acf' ),
|
|
'public' => true,
|
|
'exclude_from_search' => false,
|
|
'show_in_admin_all_list' => true,
|
|
'show_in_admin_status_list' => true,
|
|
/* translators: counts for inactive field groups */
|
|
'label_count' => _n_noop( 'Inactive <span class="count">(%s)</span>', 'Inactive <span class="count">(%s)</span>', 'acf' ),
|
|
)
|
|
);
|
|
}
|
|
|
|
/**
|
|
* Checks if another version of ACF/ACF PRO is active and deactivates it.
|
|
* Hooked on `activated_plugin` so other plugin is deactivated when current plugin is activated.
|
|
*
|
|
* @param string $plugin The plugin being activated.
|
|
*/
|
|
public function deactivate_other_instances( $plugin ) {
|
|
if ( ! in_array( $plugin, array( 'advanced-custom-fields/acf.php', 'advanced-custom-fields-pro/acf.php' ), true ) ) {
|
|
return;
|
|
}
|
|
|
|
$plugin_to_deactivate = 'advanced-custom-fields/acf.php';
|
|
$deactivated_notice_id = '1';
|
|
|
|
// If we just activated the free version, deactivate the pro version.
|
|
if ( $plugin === $plugin_to_deactivate ) {
|
|
$plugin_to_deactivate = 'advanced-custom-fields-pro/acf.php';
|
|
$deactivated_notice_id = '2';
|
|
}
|
|
|
|
if ( is_multisite() && is_network_admin() ) {
|
|
$active_plugins = (array) get_site_option( 'active_sitewide_plugins', array() );
|
|
$active_plugins = array_keys( $active_plugins );
|
|
} else {
|
|
$active_plugins = (array) get_option( 'active_plugins', array() );
|
|
}
|
|
|
|
foreach ( $active_plugins as $plugin_basename ) {
|
|
if ( $plugin_to_deactivate === $plugin_basename ) {
|
|
set_transient( 'acf_deactivated_notice_id', $deactivated_notice_id, 1 * HOUR_IN_SECONDS );
|
|
deactivate_plugins( $plugin_basename );
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Displays a notice when either ACF or ACF PRO is automatically deactivated.
|
|
*/
|
|
public function plugin_deactivated_notice() {
|
|
$deactivated_notice_id = (int) get_transient( 'acf_deactivated_notice_id' );
|
|
if ( ! in_array( $deactivated_notice_id, array( 1, 2 ), true ) ) {
|
|
return;
|
|
}
|
|
|
|
$message = __( "Advanced Custom Fields and Advanced Custom Fields PRO should not be active at the same time. We've automatically deactivated Advanced Custom Fields.", 'acf' );
|
|
if ( 2 === $deactivated_notice_id ) {
|
|
$message = __( "Advanced Custom Fields and Advanced Custom Fields PRO should not be active at the same time. We've automatically deactivated Advanced Custom Fields PRO.", 'acf' );
|
|
}
|
|
|
|
?>
|
|
<div class="updated" style="border-left: 4px solid #ffba00;">
|
|
<p><?php echo esc_html( $message ); ?></p>
|
|
</div>
|
|
<?php
|
|
|
|
delete_transient( 'acf_deactivated_notice_id' );
|
|
}
|
|
|
|
/**
|
|
* Filters the $where clause allowing for custom WP_Query args.
|
|
*
|
|
* @date 31/8/19
|
|
* @since 5.8.1
|
|
*
|
|
* @param string $where The WHERE clause.
|
|
* @param WP_Query $wp_query The query object.
|
|
* @return string
|
|
*/
|
|
public function posts_where( $where, $wp_query ) {
|
|
global $wpdb;
|
|
|
|
$field_key = $wp_query->get( 'acf_field_key' );
|
|
$field_name = $wp_query->get( 'acf_field_name' );
|
|
$group_key = $wp_query->get( 'acf_group_key' );
|
|
$post_type_key = $wp_query->get( 'acf_post_type_key' );
|
|
$taxonomy_key = $wp_query->get( 'acf_taxonomy_key' );
|
|
|
|
// Add custom "acf_field_key" arg.
|
|
if ( $field_key ) {
|
|
$where .= $wpdb->prepare( " AND {$wpdb->posts}.post_name = %s", $field_key );
|
|
}
|
|
|
|
// Add custom "acf_field_name" arg.
|
|
if ( $field_name ) {
|
|
$where .= $wpdb->prepare( " AND {$wpdb->posts}.post_excerpt = %s", $field_name );
|
|
}
|
|
|
|
// Add custom "acf_group_key" arg.
|
|
if ( $group_key ) {
|
|
$where .= $wpdb->prepare( " AND {$wpdb->posts}.post_name = %s", $group_key );
|
|
}
|
|
|
|
// Add custom "acf_post_type_key" arg.
|
|
if ( $post_type_key ) {
|
|
$where .= $wpdb->prepare( " AND {$wpdb->posts}.post_name = %s", $post_type_key );
|
|
}
|
|
|
|
// Add custom "acf_taxonomy_key" arg.
|
|
if ( $taxonomy_key ) {
|
|
$where .= $wpdb->prepare( " AND {$wpdb->posts}.post_name = %s", $taxonomy_key );
|
|
}
|
|
|
|
return $where;
|
|
}
|
|
|
|
/**
|
|
* Defines a constant if doesnt already exist.
|
|
*
|
|
* @date 3/5/17
|
|
* @since 5.5.13
|
|
*
|
|
* @param string $name The constant name.
|
|
* @param mixed $value The constant value.
|
|
* @return void
|
|
*/
|
|
public function define( $name, $value = true ) {
|
|
if ( ! defined( $name ) ) {
|
|
define( $name, $value );
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Returns true if a setting exists for this name.
|
|
*
|
|
* @date 2/2/18
|
|
* @since 5.6.5
|
|
*
|
|
* @param string $name The setting name.
|
|
* @return boolean
|
|
*/
|
|
public function has_setting( $name ) {
|
|
return isset( $this->settings[ $name ] );
|
|
}
|
|
|
|
/**
|
|
* Returns a setting or null if doesn't exist.
|
|
*
|
|
* @date 28/09/13
|
|
* @since 5.0.0
|
|
*
|
|
* @param string $name The setting name.
|
|
* @return mixed
|
|
*/
|
|
public function get_setting( $name ) {
|
|
return isset( $this->settings[ $name ] ) ? $this->settings[ $name ] : null;
|
|
}
|
|
|
|
/**
|
|
* Updates a setting for the given name and value.
|
|
*
|
|
* @date 28/09/13
|
|
* @since 5.0.0
|
|
*
|
|
* @param string $name The setting name.
|
|
* @param mixed $value The setting value.
|
|
* @return true
|
|
*/
|
|
public function update_setting( $name, $value ) {
|
|
$this->settings[ $name ] = $value;
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Returns data or null if doesn't exist.
|
|
*
|
|
* @date 28/09/13
|
|
* @since 5.0.0
|
|
*
|
|
* @param string $name The data name.
|
|
* @return mixed
|
|
*/
|
|
public function get_data( $name ) {
|
|
return isset( $this->data[ $name ] ) ? $this->data[ $name ] : null;
|
|
}
|
|
|
|
/**
|
|
* Sets data for the given name and value.
|
|
*
|
|
* @date 28/09/13
|
|
* @since 5.0.0
|
|
*
|
|
* @param string $name The data name.
|
|
* @param mixed $value The data value.
|
|
* @return void
|
|
*/
|
|
public function set_data( $name, $value ) {
|
|
$this->data[ $name ] = $value;
|
|
}
|
|
|
|
/**
|
|
* Returns an instance or null if doesn't exist.
|
|
*
|
|
* @date 13/2/18
|
|
* @since 5.6.9
|
|
*
|
|
* @param string $class The instance class name.
|
|
* @return object
|
|
*/
|
|
public function get_instance( $class ) {
|
|
$name = strtolower( $class );
|
|
return isset( $this->instances[ $name ] ) ? $this->instances[ $name ] : null;
|
|
}
|
|
|
|
/**
|
|
* Creates and stores an instance of the given class.
|
|
*
|
|
* @date 13/2/18
|
|
* @since 5.6.9
|
|
*
|
|
* @param string $class The instance class name.
|
|
* @return object
|
|
*/
|
|
public function new_instance( $class ) {
|
|
$instance = new $class();
|
|
$name = strtolower( $class );
|
|
$this->instances[ $name ] = $instance;
|
|
return $instance;
|
|
}
|
|
|
|
/**
|
|
* Magic __isset method for backwards compatibility.
|
|
*
|
|
* @date 24/4/20
|
|
* @since 5.9.0
|
|
*
|
|
* @param string $key Key name.
|
|
* @return bool
|
|
*/
|
|
public function __isset( $key ) {
|
|
return in_array( $key, array( 'locations', 'json' ), true );
|
|
}
|
|
|
|
/**
|
|
* Magic __get method for backwards compatibility.
|
|
*
|
|
* @date 24/4/20
|
|
* @since 5.9.0
|
|
*
|
|
* @param string $key Key name.
|
|
* @return mixed
|
|
*/
|
|
public function __get( $key ) {
|
|
switch ( $key ) {
|
|
case 'locations':
|
|
return acf_get_instance( 'ACF_Legacy_Locations' );
|
|
case 'json':
|
|
return acf_get_instance( 'ACF_Local_JSON' );
|
|
}
|
|
return null;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* The main function responsible for returning the one true acf Instance to functions everywhere.
|
|
* Use this function like you would a global variable, except without needing to declare the global.
|
|
*
|
|
* Example: <?php $acf = acf(); ?>
|
|
*
|
|
* @date 4/09/13
|
|
* @since 4.3.0
|
|
*
|
|
* @return ACF
|
|
*/
|
|
function acf() {
|
|
global $acf;
|
|
|
|
// Instantiate only once.
|
|
if ( ! isset( $acf ) ) {
|
|
$acf = new ACF();
|
|
$acf->initialize();
|
|
}
|
|
return $acf;
|
|
}
|
|
|
|
// Instantiate.
|
|
acf();
|
|
|
|
} // class_exists check
|