acf.php — Advanced Custom Fields (ACF®) 6.7.2

advanced-custom-fields / acf.php

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acf.php

912 lines

1	<?php
2	/**
3	* Advanced Custom Fields
4	*
5	* @package ACF
6	* @author WP Engine
7	*
8	* @wordpress-plugin
9	* Plugin Name: Advanced Custom Fields
10	* Plugin URI: https://www.advancedcustomfields.com
11	* Description: Customize WordPress with powerful, professional and intuitive fields.
12	* Version: 6.7.2
13	* Author: WP Engine
14	* Author URI: https://wpengine.com/?utm_source=wordpress.org&utm_medium=referral&utm_campaign=plugin_directory&utm_content=advanced_custom_fields
15	* Text Domain: acf
16	* Domain Path: /lang
17	* Requires PHP: 7.4
18	* Requires at least: 6.2
19	*/
20
21	/**
22	* @package ACF
23	* @author WP Engine
24	*
25	* © 2026 Advanced Custom Fields (ACF®). All rights reserved.
26	* "ACF" is a trademark of WP Engine.
27	* Licensed under the GNU General Public License v2 or later.
28	* https://www.gnu.org/licenses/gpl-2.0.html
29	*/
30
31	if ( ! defined( 'ABSPATH' ) ) {
32	exit; // Exit if accessed directly.
33	}
34
35	if ( ! class_exists( 'ACF' ) ) {
36
37	/**
38	* The main ACF class
39	*/
40	class ACF {
41
42	/**
43	* The plugin version number.
44	*
45	* @var string
46	*/
47	public $version = '6.7.2';
48
49	/**
50	* The plugin settings array.
51	*
52	* @var array
53	*/
54	public $settings = array();
55
56	/**
57	* The plugin data array.
58	*
59	* @var array
60	*/
61	public $data = array();
62
63	/**
64	* Storage for class instances.
65	*
66	* @var array
67	*/
68	public $instances = array();
69
70	/**
71	* The loop instance.
72	*
73	* @var acf_loop
74	*/
75	public $loop;
76
77	/**
78	* The revisions instance.
79	*
80	* @var acf_revisions
81	*/
82	public $revisions;
83
84	/**
85	* The fields instance.
86	*
87	* @var acf_fields
88	*/
89	public $fields;
90
91	/**
92	* The form front instance.
93	*
94	* @var acf_form_front
95	*/
96	public $form_front;
97
98	/**
99	* The validation instance.
100	*
101	* @var acf_validation
102	*/
103	public $validation;
104
105	/**
106	* The admin tools instance.
107	*
108	* @var acf_admin_tools
109	*/
110	public $admin_tools;
111
112	/**
113	* A dummy constructor to ensure ACF is only setup once.
114	*
115	* @date 23/06/12
116	* @since 5.0.0
117	*/
118	public function __construct() {
119	// Do nothing.
120	}
121
122	/**
123	* Sets up the ACF plugin.
124	*
125	* @date 28/09/13
126	* @since 5.0.0
127	*/
128	public function initialize() {
129
130	// Define constants.
131	$this->define( 'ACF', true );
132	$this->define( 'ACF_PATH', plugin_dir_path( __FILE__ ) );
133	$this->define( 'ACF_BASENAME', plugin_basename( __FILE__ ) );
134	$this->define( 'ACF_VERSION', $this->version );
135	$this->define( 'ACF_MAJOR_VERSION', 6 );
136	$this->define( 'ACF_FIELD_API_VERSION', 5 );
137	$this->define( 'ACF_UPGRADE_VERSION', '5.5.0' ); // Highest version with an upgrade routine. See upgrades.php.
138
139	// Register activation hook.
140	register_activation_hook( __FILE__, array( $this, 'acf_plugin_activated' ) );
141
142	// Define settings.
143	$this->settings = array(
144	'name' => 'Advanced Custom Fields',
145	'slug' => dirname( ACF_BASENAME ),
146	'version' => ACF_VERSION,
147	'basename' => ACF_BASENAME,
148	'path' => ACF_PATH,
149	'file' => __FILE__,
150	'url' => plugin_dir_url( __FILE__ ),
151	'show_admin' => true,
152	'show_updates' => true,
153	'enable_post_types' => true,
154	'enable_options_pages_ui' => true,
155	'stripslashes' => false,
156	'local' => true,
157	'json' => true,
158	'save_json' => '',
159	'load_json' => array(),
160	'default_language' => '',
161	'current_language' => '',
162	'capability' => 'manage_options',
163	'uploader' => 'wp',
164	'autoload' => false,
165	'l10n' => true,
166	'l10n_textdomain' => '',
167	'google_api_key' => '',
168	'google_api_client' => '',
169	'enqueue_google_maps' => true,
170	'enqueue_select2' => true,
171	'enqueue_datepicker' => true,
172	'enqueue_datetimepicker' => true,
173	'select2_version' => 4,
174	'row_index_offset' => 1,
175	'remove_wp_meta_box' => true,
176	'rest_api_enabled' => true,
177	'rest_api_format' => 'light',
178	'rest_api_embed_links' => true,
179	'preload_blocks' => true,
180	'enable_shortcode' => true,
181	'enable_bidirection' => true,
182	'enable_block_bindings' => true,
183	'enable_meta_box_cb_edit' => true,
184	);
185
186	// Include autoloader.
187	include_once __DIR__ . '/vendor/autoload.php';
188
189	// Include utility functions.
190	include_once ACF_PATH . 'includes/acf-utility-functions.php';
191
192	// Include previous API functions.
193	acf_include( 'includes/api/api-helpers.php' );
194	acf_include( 'includes/api/api-template.php' );
195	acf_include( 'includes/api/api-term.php' );
196
197	// Include classes.
198	acf_include( 'includes/class-acf-data.php' );
199	acf_include( 'includes/class-acf-internal-post-type.php' );
200	acf_include( 'includes/fields/class-acf-field.php' );
201	acf_include( 'includes/locations/abstract-acf-legacy-location.php' );
202	acf_include( 'includes/locations/abstract-acf-location.php' );
203
204	// Initialise autoloaded classes.
205	new ACF\Site_Health\Site_Health();
206
207	// Include functions.
208	acf_include( 'includes/acf-helper-functions.php' );
209
210	acf_new_instance( 'ACF\Meta\Comment' );
211	acf_new_instance( 'ACF\Meta\Post' );
212	acf_new_instance( 'ACF\Meta\Term' );
213	acf_new_instance( 'ACF\Meta\User' );
214	acf_new_instance( 'ACF\Meta\Option' );
215
216	acf_include( 'includes/acf-hook-functions.php' );
217	acf_include( 'includes/acf-field-functions.php' );
218	acf_include( 'includes/acf-bidirectional-functions.php' );
219	acf_include( 'includes/acf-internal-post-type-functions.php' );
220	acf_include( 'includes/acf-post-type-functions.php' );
221	acf_include( 'includes/acf-taxonomy-functions.php' );
222	acf_include( 'includes/acf-field-group-functions.php' );
223	acf_include( 'includes/acf-form-functions.php' );
224	acf_include( 'includes/acf-meta-functions.php' );
225	acf_include( 'includes/acf-post-functions.php' );
226	acf_include( 'includes/acf-user-functions.php' );
227	acf_include( 'includes/acf-value-functions.php' );
228	acf_include( 'includes/acf-input-functions.php' );
229	acf_include( 'includes/acf-wp-functions.php' );
230
231	// Override the shortcode default value based on the version when installed.
232	$first_activated_version = acf_get_version_when_first_activated();
233
234	// Only enable shortcode by default for versions prior to 6.3
235	if ( $first_activated_version && version_compare( $first_activated_version, '6.3', '>=' ) ) {
236	$this->settings['enable_shortcode'] = false;
237	}
238
239	// Include core.
240	acf_include( 'includes/fields.php' );
241	acf_include( 'includes/locations.php' );
242	acf_include( 'includes/assets.php' );
243	acf_include( 'includes/compatibility.php' );
244	acf_include( 'includes/deprecated.php' );
245	acf_include( 'includes/l10n.php' );
246	acf_include( 'includes/local-fields.php' );
247	acf_include( 'includes/local-meta.php' );
248	acf_include( 'includes/local-json.php' );
249	acf_include( 'includes/loop.php' );
250	acf_include( 'includes/media.php' );
251	acf_include( 'includes/revisions.php' );
252	acf_include( 'includes/upgrades.php' );
253	acf_include( 'includes/validation.php' );
254	acf_include( 'includes/rest-api.php' );
255
256	// Include field group class.
257	acf_include( 'includes/post-types/class-acf-field-group.php' );
258
259	// Include ajax.
260	acf_include( 'includes/ajax/class-acf-ajax.php' );
261	acf_include( 'includes/ajax/class-acf-ajax-check-screen.php' );
262	acf_include( 'includes/ajax/class-acf-ajax-user-setting.php' );
263	acf_include( 'includes/ajax/class-acf-ajax-upgrade.php' );
264	acf_include( 'includes/ajax/class-acf-ajax-query.php' );
265	acf_include( 'includes/ajax/class-acf-ajax-query-users.php' );
266	acf_include( 'includes/ajax/class-acf-ajax-local-json-diff.php' );
267
268	// Include forms.
269	acf_include( 'includes/forms/form-attachment.php' );
270	acf_include( 'includes/forms/form-comment.php' );
271	acf_include( 'includes/forms/form-customizer.php' );
272	acf_include( 'includes/forms/form-front.php' );
273	acf_include( 'includes/forms/form-nav-menu.php' );
274	acf_include( 'includes/forms/form-post.php' );
275	acf_include( 'includes/forms/form-gutenberg.php' );
276	acf_include( 'includes/forms/form-taxonomy.php' );
277	acf_include( 'includes/forms/form-user.php' );
278	acf_include( 'includes/forms/form-widget.php' );
279
280	// Include admin.
281	if ( is_admin() ) {
282	acf_include( 'includes/admin/admin.php' );
283	acf_include( 'includes/admin/admin-internal-post-type-list.php' );
284	acf_include( 'includes/admin/admin-internal-post-type.php' );
285	acf_include( 'includes/admin/admin-notices.php' );
286	acf_include( 'includes/admin/admin-tools.php' );
287	acf_include( 'includes/admin/admin-upgrade.php' );
288	}
289
290	// Include legacy.
291	acf_include( 'includes/legacy/legacy-locations.php' );
292
293	// Include updater if included with this build.
294	acf_include( 'includes/Updater/init.php' );
295
296	// Include PRO if included with this build.
297	if ( ! defined( 'ACF_PREVENT_PRO_LOAD' ) \|\| ( defined( 'ACF_PREVENT_PRO_LOAD' ) && ! ACF_PREVENT_PRO_LOAD ) ) {
298	acf_include( 'pro/acf-pro.php' );
299	}
300
301	if ( is_admin() && function_exists( 'acf_is_pro' ) && ! acf_is_pro() ) {
302	acf_include( 'includes/admin/admin-options-pages-preview.php' );
303	}
304
305	// Add actions.
306	add_action( 'init', array( $this, 'register_post_status' ), 4 );
307	add_action( 'init', array( $this, 'init' ), 5 );
308	add_action( 'init', array( $this, 'register_post_types' ), 5 );
309	add_action( 'activated_plugin', array( $this, 'deactivate_other_instances' ) );
310	add_action( 'pre_current_active_plugins', array( $this, 'plugin_deactivated_notice' ) );
311
312	// Add filters.
313	add_filter( 'posts_where', array( $this, 'posts_where' ), 10, 2 );
314	}
315
316	/**
317	* Completes the setup process on "init" of earlier.
318	*
319	* @date 28/09/13
320	* @since 5.0.0
321	*/
322	public function init() {
323
324	// Bail early if called directly from functions.php or plugin file.
325	if ( ! did_action( 'plugins_loaded' ) ) {
326	return;
327	}
328
329	// This function may be called directly from template functions. Bail early if already did this.
330	if ( acf_did( 'init' ) ) {
331	return;
332	}
333
334	// Update url setting. Allows other plugins to modify the URL (force SSL).
335	acf_update_setting( 'url', plugin_dir_url( __FILE__ ) );
336
337	// Load textdomain file.
338	acf_load_textdomain();
339
340	// Make plugin name translatable.
341	acf_update_setting( 'name', __( 'Advanced Custom Fields', 'acf' ) );
342
343	// Include 3rd party compatiblity.
344	acf_include( 'includes/third-party.php' );
345
346	// Include wpml support.
347	if ( defined( 'ICL_SITEPRESS_VERSION' ) ) {
348	acf_include( 'includes/wpml.php' );
349	}
350
351	// Add post types and taxonomies.
352	if ( acf_get_setting( 'enable_post_types' ) ) {
353	acf_include( 'includes/post-types/class-acf-taxonomy.php' );
354	acf_include( 'includes/post-types/class-acf-post-type.php' );
355	}
356
357	// Add other ACF internal post types.
358	do_action( 'acf/init_internal_post_types' );
359
360	// Include fields.
361	acf_include( 'includes/fields/class-acf-field-text.php' );
362	acf_include( 'includes/fields/class-acf-field-textarea.php' );
363	acf_include( 'includes/fields/class-acf-field-number.php' );
364	acf_include( 'includes/fields/class-acf-field-range.php' );
365	acf_include( 'includes/fields/class-acf-field-email.php' );
366	acf_include( 'includes/fields/class-acf-field-url.php' );
367	acf_include( 'includes/fields/class-acf-field-password.php' );
368	acf_include( 'includes/fields/class-acf-field-image.php' );
369	acf_include( 'includes/fields/class-acf-field-file.php' );
370	acf_include( 'includes/fields/class-acf-field-wysiwyg.php' );
371	acf_include( 'includes/fields/class-acf-field-oembed.php' );
372	acf_include( 'includes/fields/class-acf-field-select.php' );
373	acf_include( 'includes/fields/class-acf-field-checkbox.php' );
374	acf_include( 'includes/fields/class-acf-field-radio.php' );
375	acf_include( 'includes/fields/class-acf-field-button-group.php' );
376	acf_include( 'includes/fields/class-acf-field-true_false.php' );
377	acf_include( 'includes/fields/class-acf-field-link.php' );
378	acf_include( 'includes/fields/class-acf-field-post_object.php' );
379	acf_include( 'includes/fields/class-acf-field-page_link.php' );
380	acf_include( 'includes/fields/class-acf-field-relationship.php' );
381	acf_include( 'includes/fields/class-acf-field-taxonomy.php' );
382	acf_include( 'includes/fields/class-acf-field-user.php' );
383	acf_include( 'includes/fields/class-acf-field-google-map.php' );
384	acf_include( 'includes/fields/class-acf-field-date_picker.php' );
385	acf_include( 'includes/fields/class-acf-field-date_time_picker.php' );
386	acf_include( 'includes/fields/class-acf-field-time_picker.php' );
387	acf_include( 'includes/fields/class-acf-field-color_picker.php' );
388	acf_include( 'includes/fields/class-acf-field-icon_picker.php' );
389	acf_include( 'includes/fields/class-acf-field-message.php' );
390	acf_include( 'includes/fields/class-acf-field-accordion.php' );
391	acf_include( 'includes/fields/class-acf-field-tab.php' );
392	acf_include( 'includes/fields/class-acf-field-group.php' );
393
394	/**
395	* Fires after field types have been included.
396	*
397	* @date 28/09/13
398	* @since 5.0.0
399	*
400	* @param int ACF_FIELD_API_VERSION The field API version.
401	*/
402	do_action( 'acf/include_field_types', ACF_FIELD_API_VERSION );
403
404	// Include locations.
405	acf_include( 'includes/locations/class-acf-location-post-type.php' );
406	acf_include( 'includes/locations/class-acf-location-post-template.php' );
407	acf_include( 'includes/locations/class-acf-location-post-status.php' );
408	acf_include( 'includes/locations/class-acf-location-post-format.php' );
409	acf_include( 'includes/locations/class-acf-location-post-category.php' );
410	acf_include( 'includes/locations/class-acf-location-post-taxonomy.php' );
411	acf_include( 'includes/locations/class-acf-location-post.php' );
412	acf_include( 'includes/locations/class-acf-location-page-template.php' );
413	acf_include( 'includes/locations/class-acf-location-page-type.php' );
414	acf_include( 'includes/locations/class-acf-location-page-parent.php' );
415	acf_include( 'includes/locations/class-acf-location-page.php' );
416	acf_include( 'includes/locations/class-acf-location-current-user.php' );
417	acf_include( 'includes/locations/class-acf-location-current-user-role.php' );
418	acf_include( 'includes/locations/class-acf-location-user-form.php' );
419	acf_include( 'includes/locations/class-acf-location-user-role.php' );
420	acf_include( 'includes/locations/class-acf-location-taxonomy.php' );
421	acf_include( 'includes/locations/class-acf-location-attachment.php' );
422	acf_include( 'includes/locations/class-acf-location-comment.php' );
423	acf_include( 'includes/locations/class-acf-location-widget.php' );
424	acf_include( 'includes/locations/class-acf-location-nav-menu.php' );
425	acf_include( 'includes/locations/class-acf-location-nav-menu-item.php' );
426
427	/**
428	* Fires after location types have been included.
429	*
430	* @date 28/09/13
431	* @since 5.0.0
432	*
433	* @param int ACF_FIELD_API_VERSION The field API version.
434	*/
435	do_action( 'acf/include_location_rules', ACF_FIELD_API_VERSION );
436
437	/**
438	* Fires during initialization. Used to add local fields.
439	*
440	* @date 28/09/13
441	* @since 5.0.0
442	*
443	* @param int ACF_FIELD_API_VERSION The field API version.
444	*/
445	do_action( 'acf/include_fields', ACF_FIELD_API_VERSION );
446
447	/**
448	* Fires during initialization. Used to add local post types.
449	*
450	* @since 6.1
451	*
452	* @param int ACF_MAJOR_VERSION The major version of ACF.
453	*/
454	do_action( 'acf/include_post_types', ACF_MAJOR_VERSION );
455
456	/**
457	* Fires during initialization. Used to add local taxonomies.
458	*
459	* @since 6.1
460	*
461	* @param int ACF_MAJOR_VERSION The major version of ACF.
462	*/
463	do_action( 'acf/include_taxonomies', ACF_MAJOR_VERSION );
464
465	// If we're on 6.5 or newer, load block bindings.
466	if ( version_compare( get_bloginfo( 'version' ), '6.5', '>=' ) ) {
467	new ACF\Blocks\Bindings();
468	}
469
470	/**
471	* Fires after ACF is completely "initialized".
472	*
473	* @date 28/09/13
474	* @since 5.0.0
475	*
476	* @param int ACF_MAJOR_VERSION The major version of ACF.
477	*/
478	do_action( 'acf/init', ACF_MAJOR_VERSION );
479	}
480
481	/**
482	* Registers the ACF post types.
483	*
484	* @date 22/10/2015
485	* @since 5.3.2
486	*/
487	public function register_post_types() {
488	$cap = acf_get_setting( 'capability' );
489
490	// Register the Field Group post type.
491	register_post_type(
492	'acf-field-group',
493	array(
494	'labels' => array(
495	'name' => __( 'Field Groups', 'acf' ),
496	'singular_name' => __( 'Field Group', 'acf' ),
497	'add_new' => __( 'Add New', 'acf' ),
498	'add_new_item' => __( 'Add New Field Group', 'acf' ),
499	'edit_item' => __( 'Edit Field Group', 'acf' ),
500	'new_item' => __( 'New Field Group', 'acf' ),
501	'view_item' => __( 'View Field Group', 'acf' ),
502	'search_items' => __( 'Search Field Groups', 'acf' ),
503	'not_found' => __( 'No Field Groups found', 'acf' ),
504	'not_found_in_trash' => __( 'No Field Groups found in Trash', 'acf' ),
505	),
506	'public' => false,
507	'hierarchical' => true,
508	'show_ui' => true,
509	'show_in_menu' => false,
510	'_builtin' => false,
511	'capability_type' => 'post',
512	'capabilities' => array(
513	'edit_post' => $cap,
514	'delete_post' => $cap,
515	'edit_posts' => $cap,
516	'delete_posts' => $cap,
517	),
518	'supports' => false,
519	'rewrite' => false,
520	'query_var' => false,
521	)
522	);
523
524	// Register the Field post type.
525	register_post_type(
526	'acf-field',
527	array(
528	'labels' => array(
529	'name' => __( 'Fields', 'acf' ),
530	'singular_name' => __( 'Field', 'acf' ),
531	'add_new' => __( 'Add New', 'acf' ),
532	'add_new_item' => __( 'Add New Field', 'acf' ),
533	'edit_item' => __( 'Edit Field', 'acf' ),
534	'new_item' => __( 'New Field', 'acf' ),
535	'view_item' => __( 'View Field', 'acf' ),
536	'search_items' => __( 'Search Fields', 'acf' ),
537	'not_found' => __( 'No Fields found', 'acf' ),
538	'not_found_in_trash' => __( 'No Fields found in Trash', 'acf' ),
539	),
540	'public' => false,
541	'hierarchical' => true,
542	'show_ui' => false,
543	'show_in_menu' => false,
544	'_builtin' => false,
545	'capability_type' => 'post',
546	'capabilities' => array(
547	'edit_post' => $cap,
548	'delete_post' => $cap,
549	'edit_posts' => $cap,
550	'delete_posts' => $cap,
551	),
552	'supports' => array( 'title' ),
553	'rewrite' => false,
554	'query_var' => false,
555	)
556	);
557	}
558
559	/**
560	* Registers the ACF post statuses.
561	*
562	* @date 22/10/2015
563	* @since 5.3.2
564	*/
565	public function register_post_status() {
566
567	// Register the Inactive post status.
568	register_post_status(
569	'acf-disabled',
570	array(
571	'label' => _x( 'Inactive', 'post status', 'acf' ),
572	'public' => true,
573	'exclude_from_search' => false,
574	'show_in_admin_all_list' => true,
575	'show_in_admin_status_list' => true,
576	/* translators: counts for inactive field groups */
577	'label_count' => _n_noop( 'Inactive <span class="count">(%s)</span>', 'Inactive <span class="count">(%s)</span>', 'acf' ),
578	)
579	);
580	}
581
582	/**
583	* Checks if another version of ACF/ACF PRO is active and deactivates it.
584	* Hooked on `activated_plugin` so other plugin is deactivated when current plugin is activated.
585	*
586	* @param string $plugin The plugin being activated.
587	*/
588	public function deactivate_other_instances( $plugin ) {
589	if ( ! in_array( $plugin, array( 'advanced-custom-fields/acf.php', 'advanced-custom-fields-pro/acf.php' ), true ) ) {
590	return;
591	}
592
593	$plugin_to_deactivate = 'advanced-custom-fields/acf.php';
594	$deactivated_notice_id = '1';
595
596	// If we just activated the free version, deactivate the pro version.
597	if ( $plugin === $plugin_to_deactivate ) {
598	$plugin_to_deactivate = 'advanced-custom-fields-pro/acf.php';
599	$deactivated_notice_id = '2';
600	}
601
602	if ( is_multisite() && is_network_admin() ) {
603	$active_plugins = (array) get_site_option( 'active_sitewide_plugins', array() );
604	$active_plugins = array_keys( $active_plugins );
605	} else {
606	$active_plugins = (array) get_option( 'active_plugins', array() );
607	}
608
609	foreach ( $active_plugins as $plugin_basename ) {
610	if ( $plugin_to_deactivate === $plugin_basename ) {
611	set_transient( 'acf_deactivated_notice_id', $deactivated_notice_id, 1 * HOUR_IN_SECONDS );
612	deactivate_plugins( $plugin_basename );
613	return;
614	}
615	}
616	}
617
618	/**
619	* Displays a notice when either ACF or ACF PRO is automatically deactivated.
620	*/
621	public function plugin_deactivated_notice() {
622	$deactivated_notice_id = (int) get_transient( 'acf_deactivated_notice_id' );
623	if ( ! in_array( $deactivated_notice_id, array( 1, 2 ), true ) ) {
624	return;
625	}
626
627	$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' );
628	if ( 2 === $deactivated_notice_id ) {
629	$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' );
630	}
631
632	?>
633	<div class="updated" style="border-left: 4px solid #ffba00;">
634	<p><?php echo esc_html( $message ); ?></p>
635	</div>
636	<?php
637
638	delete_transient( 'acf_deactivated_notice_id' );
639	}
640
641	/**
642	* Filters the $where clause allowing for custom WP_Query args.
643	*
644	* @date 31/8/19
645	* @since 5.8.1
646	*
647	* @param string $where The WHERE clause.
648	* @param WP_Query $wp_query The query object.
649	* @return string
650	*/
651	public function posts_where( $where, $wp_query ) {
652	global $wpdb;
653
654	$field_key = $wp_query->get( 'acf_field_key' );
655	$field_name = $wp_query->get( 'acf_field_name' );
656	$group_key = $wp_query->get( 'acf_group_key' );
657	$post_type_key = $wp_query->get( 'acf_post_type_key' );
658	$taxonomy_key = $wp_query->get( 'acf_taxonomy_key' );
659
660	// Add custom "acf_field_key" arg.
661	if ( $field_key ) {
662	$where .= $wpdb->prepare( " AND {$wpdb->posts}.post_name = %s", $field_key );
663	}
664
665	// Add custom "acf_field_name" arg.
666	if ( $field_name ) {
667	$where .= $wpdb->prepare( " AND {$wpdb->posts}.post_excerpt = %s", $field_name );
668	}
669
670	// Add custom "acf_group_key" arg.
671	if ( $group_key ) {
672	$where .= $wpdb->prepare( " AND {$wpdb->posts}.post_name = %s", $group_key );
673	}
674
675	// Add custom "acf_post_type_key" arg.
676	if ( $post_type_key ) {
677	$where .= $wpdb->prepare( " AND {$wpdb->posts}.post_name = %s", $post_type_key );
678	}
679
680	// Add custom "acf_taxonomy_key" arg.
681	if ( $taxonomy_key ) {
682	$where .= $wpdb->prepare( " AND {$wpdb->posts}.post_name = %s", $taxonomy_key );
683	}
684
685	return $where;
686	}
687
688	/**
689	* Defines a constant if doesnt already exist.
690	*
691	* @date 3/5/17
692	* @since 5.5.13
693	*
694	* @param string $name The constant name.
695	* @param mixed $value The constant value.
696	* @return void
697	*/
698	public function define( $name, $value = true ) {
699	if ( ! defined( $name ) ) {
700	define( $name, $value );
701	}
702	}
703
704	/**
705	* Returns true if a setting exists for this name.
706	*
707	* @date 2/2/18
708	* @since 5.6.5
709	*
710	* @param string $name The setting name.
711	* @return boolean
712	*/
713	public function has_setting( $name ) {
714	return isset( $this->settings[ $name ] );
715	}
716
717	/**
718	* Returns a setting or null if doesn't exist.
719	*
720	* @date 28/09/13
721	* @since 5.0.0
722	*
723	* @param string $name The setting name.
724	* @return mixed
725	*/
726	public function get_setting( $name ) {
727	return isset( $this->settings[ $name ] ) ? $this->settings[ $name ] : null;
728	}
729
730	/**
731	* Updates a setting for the given name and value.
732	*
733	* @date 28/09/13
734	* @since 5.0.0
735	*
736	* @param string $name The setting name.
737	* @param mixed $value The setting value.
738	* @return true
739	*/
740	public function update_setting( $name, $value ) {
741	$this->settings[ $name ] = $value;
742	return true;
743	}
744
745	/**
746	* Returns data or null if doesn't exist.
747	*
748	* @date 28/09/13
749	* @since 5.0.0
750	*
751	* @param string $name The data name.
752	* @return mixed
753	*/
754	public function get_data( $name ) {
755	return isset( $this->data[ $name ] ) ? $this->data[ $name ] : null;
756	}
757
758	/**
759	* Sets data for the given name and value.
760	*
761	* @date 28/09/13
762	* @since 5.0.0
763	*
764	* @param string $name The data name.
765	* @param mixed $value The data value.
766	* @return void
767	*/
768	public function set_data( $name, $value ) {
769	$this->data[ $name ] = $value;
770	}
771
772	/**
773	* Returns an instance or null if doesn't exist.
774	*
775	* @date 13/2/18
776	* @since 5.6.9
777	*
778	* @param string $class The instance class name.
779	* @return object
780	*/
781	public function get_instance( $class ) {
782	$name = strtolower( $class );
783	return isset( $this->instances[ $name ] ) ? $this->instances[ $name ] : null;
784	}
785
786	/**
787	* Creates and stores an instance of the given class.
788	*
789	* @date 13/2/18
790	* @since 5.6.9
791	*
792	* @param string $class The instance class name.
793	* @return object
794	*/
795	public function new_instance( $class ) {
796	$instance = new $class();
797	$name = strtolower( $class );
798	$this->instances[ $name ] = $instance;
799	return $instance;
800	}
801
802	/**
803	* Magic __isset method for backwards compatibility.
804	*
805	* @date 24/4/20
806	* @since 5.9.0
807	*
808	* @param string $key Key name.
809	* @return boolean
810	*/
811	public function __isset( $key ) {
812	return in_array( $key, array( 'locations', 'json' ), true );
813	}
814
815	/**
816	* Magic __get method for backwards compatibility.
817	*
818	* @date 24/4/20
819	* @since 5.9.0
820	*
821	* @param string $key Key name.
822	* @return mixed
823	*/
824	public function __get( $key ) {
825	switch ( $key ) {
826	case 'locations':
827	return acf_get_instance( 'ACF_Legacy_Locations' );
828	case 'json':
829	return acf_get_instance( 'ACF_Local_JSON' );
830	}
831	return null;
832	}
833
834	/**
835	* Plugin Activation Hook
836	*
837	* @since 6.2.6
838	*/
839	public function acf_plugin_activated() {
840	// Set the first activated version of ACF.
841	if ( null === get_option( 'acf_first_activated_version', null ) ) {
842	// If acf_version is set, this isn't the first activated version, so leave it unset so it's legacy.
843	if ( null === get_option( 'acf_version', null ) ) {
844	update_option( 'acf_first_activated_version', ACF_VERSION, true );
845
846	do_action( 'acf/first_activated' );
847	}
848	}
849
850	if ( acf_is_pro() ) {
851	do_action( 'acf/activated_pro' );
852	}
853	}
854	}
855
856	/**
857	* An ACF specific getter to replace `home_url` in our license checks to ensure we can avoid third party filters.
858	*
859	* @since 6.0.1
860	* @since 6.2.8 - Renamed to acf_pro_get_home_url to match pro exclusive function naming.
861	* @since 6.3.10 - Renamed to acf_get_home_url now updater logic applies to free.
862	*
863	* @return string $home_url The output from home_url, sans known third party filters which cause license activation issues.
864	*/
865	function acf_get_home_url() {
866	if ( acf_is_pro() ) {
867	// Disable WPML and TranslatePress's home url overrides for our license check.
868	add_filter( 'wpml_get_home_url', 'acf_pro_license_ml_intercept', 99, 2 );
869	add_filter( 'trp_home_url', 'acf_pro_license_ml_intercept', 99, 2 );
870
871	if ( acf_pro_is_legacy_multisite() && acf_is_multisite_sub_site() ) {
872	$home_url = get_home_url( get_main_site_id() );
873	} else {
874	$home_url = home_url();
875	}
876
877	// Re-enable WPML and TranslatePress's home url overrides.
878	remove_filter( 'wpml_get_home_url', 'acf_pro_license_ml_intercept', 99 );
879	remove_filter( 'trp_home_url', 'acf_pro_license_ml_intercept', 99 );
880	} else {
881	$home_url = home_url();
882	}
883
884	return $home_url;
885	}
886
887	/**
888	* The main function responsible for returning the one true acf Instance to functions everywhere.
889	* Use this function like you would a global variable, except without needing to declare the global.
890	*
891	* Example: <?php $acf = acf(); ?>
892	*
893	* @date 4/09/13
894	* @since 4.3.0
895	*
896	* @return ACF
897	*/
898	function acf() {
899	global $acf;
900
901	// Instantiate only once.
902	if ( ! isset( $acf ) ) {
903	$acf = new ACF();
904	$acf->initialize();
905	}
906	return $acf;
907	}
908
909	// Instantiate.
910	acf();
911	} // class_exists check
912