contact-forms / contact-forms.php

contact-forms.php in Contact Forms by Cimatti 2.1.1, at contact-forms.php

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1	<?php
2	/*
3	Plugin Name: Contact Forms by Cimatti
4	Description: Create accessible contact forms with drag-and-drop. WCAG 2.2 compliant with screen reader support, keyboard navigation, and clear error messages.
5	Version: 2.1.1
6	Plugin URI: https://www.cimatti.it/en/wordpress-plugins/contact-forms/
7	Author: Cimatti
8	Author URI: https://www.cimatti.it
9	Text Domain: contact-forms
10	Domain Path: /languages
11	Requires at least: 3.5
12	License: GPLv2 or later
13	License URI: http://www.gnu.org/licenses/gpl-2.0.html
14	*/
15
16	/*
17	Contact Forms by Cimatti
18	Copyright (c) 2011-2026 Andrea Cimatti
19
20	This program is free software; you can redistribute it and/or
21	modify it under the terms of the GNU General Public License
22	as published by the Free Software Foundation; either version 2
23	of the License, or (at your option) any later version.
24
25	This program is distributed in the hope that it will be useful,
26	but WITHOUT ANY WARRANTY; without even the implied warranty of
27	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
28	GNU General Public License for more details.
29
30	You should have received a copy of the GNU General Public License
31	along with this program; if not, write to the Free Software
32	Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
33
34
35	The full copy of the GNU General Public License is available here: http://www.gnu.org/licenses/gpl.txt
36
37	*/
38
39	if ( ! defined( 'ABSPATH' ) ) exit;
40
41	define('ACCUA_FORMS_DB_VERSION', '14');
42	define('ACCUA_FORMS_CSS_VERSION', 171);
43	define('ACCUA_FORMS_JS_VERSION', '107');
44	define('ACCUA_FORMS_FILE', __FILE__);
45	define('ACCUA_FORMS_DIR_URL', plugin_dir_url(ACCUA_FORMS_FILE));
46	define('ACCUA_FORMS_DIR', dirname(ACCUA_FORMS_FILE));
47
48	require_once('accua-form-api.php');
49	require_once('accua-forms.php');
50	require_once('accua-shortcode-button.php');
51	require_once('accua-forms-theme-helper.php');
52	require_once('block-editor.php');
53
54	/**
55	* Load plugin textdomain for translations.
56	*
57	* Supports Italian and English only. Other language files have been removed
58	* as they were incomplete or obsolete.
59	*/
60	add_action('init', 'accua_forms_load_textdomain');
61	function accua_forms_load_textdomain() {
62	load_plugin_textdomain('contact-forms', false, dirname(plugin_basename(ACCUA_FORMS_FILE)) . '/languages');
63	}
64
65	function accua_forms_dashboard_page_head()
66	{
67	$screen = get_current_screen();
68	$screen->add_help_tab(array(
69	'id' => 'accua_help_tab',
70	'title' => __('Contact Forms Dashboard', 'contact-forms'),
71	'content' => '<p>' . __('Marketing tools for WordPress', 'contact-forms') . '</p>',
72	));
73
74	wp_enqueue_script('accua_chart_js', plugins_url('assets/vendor/chartjs/chart.umd.min.js', ACCUA_FORMS_FILE), array('jquery'), ACCUA_FORMS_JS_VERSION, true);
75	wp_enqueue_style('accua-forms-admin', plugins_url('assets/css/admin.css', ACCUA_FORMS_FILE), array(), ACCUA_FORMS_CSS_VERSION);
76
77	/* Tentativo x drag and drop
78	$page_hook_id = fx_smb_setings_page_id();
79	/* Load the JavaScript needed for the settings screen. * /
80	add_action( 'admin_enqueue_scripts', 'fx_smb_enqueue_scripts' );
81	add_action( "admin_footer-{$page_hook_id}", 'fx_smb_footer_scripts' );
82
83	/* Set number of column available. * /
84	add_filter( 'screen_layout_columns', 'fx_smb_screen_layout_column', 10, 2 );
85	*/
86	}
87
88	/**
89	* Add Contact Forms dashboard widget.
90	*
91	* Only visible to users with 'edit_posts' capability (administrators and editors).
92	*/
93	add_action('wp_dashboard_setup', 'accua_contact_forms_dashboard_add_widgets');
94	function accua_contact_forms_dashboard_add_widgets()
95	{
96	// Only add the dashboard widget for users with edit_posts capability (administrators and editors)
97	if (current_user_can('edit_posts')) {
98	wp_add_dashboard_widget('accua_contact_forms_dashboard_widget_news', __('Contact Forms', 'contact-forms'), 'accua_contact_forms_dashboard_widget_news_handler');
99	}
100	}
101
102	/**
103	* Dashboard widget handler for Contact Forms stats.
104	*
105	* Shows form statistics including active forms, pages, submissions, and distinct emails.
106	* Only accessible to users with 'edit_posts' capability.
107	*/
108	function accua_contact_forms_dashboard_widget_news_handler()
109	{
110	// Double-check user capabilities for security
111	if (!current_user_can('edit_posts')) {
112	wp_die(esc_html__('You do not have sufficient permissions to access this content.', 'contact-forms'));
113	}
114
115	global $wpdb; ?>
116	<table>
117	<tr class="first">
118	<?php $forms_data = get_option('accua_forms_saved_forms', array());
119	$active_forms = count($forms_data); ?>
120	<td class="first b"><?php echo esc_html($active_forms); ?></td>
121	<td class="t"><?php esc_html_e('Active forms', 'contact-forms'); ?></td>
122	</tr>
123	<tr class="first">
124	<?php
125	// phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching -- Dashboard stats, no caching needed
126	$pages = $wpdb->get_var("SELECT COUNT(DISTINCT afs_uri) FROM `{$wpdb->prefix}accua_forms_submissions`"); ?>
127	<td class="first b"><?php echo esc_html($pages); ?></td>
128	<td class="t"><?php esc_html_e('Pages', 'contact-forms'); ?></td>
129	</tr>
130	<tr class="first">
131	<?php
132	// phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching -- Dashboard stats, no caching needed
133	$active_submissions = $wpdb->get_var("SELECT COUNT(*) FROM `{$wpdb->prefix}accua_forms_submissions` WHERE afs_status >= 0"); ?>
134	<td class="first b"><?php echo esc_html($active_submissions); ?></td>
135	<td class="t"><?php esc_html_e('Submissions', 'contact-forms'); ?></td>
136	</tr>
137	<tr class="first">
138	<?php
139	// phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching -- Dashboard stats, no caching needed
140	$emails = $wpdb->get_var("SELECT COUNT(DISTINCT afsv_value) FROM `{$wpdb->prefix}accua_forms_submissions_values` WHERE afsv_type LIKE 'autoreply_email'"); ?>
141	<td class="first b"><?php echo esc_html($emails); ?></td>
142	<td class="t"><?php esc_html_e('Distinct Emails', 'contact-forms'); ?></td>
143	</tr>
144	</table>
145	<br />
146	<span id="accua-forms-version"><a href="https://www.cimatti.it/en/wordpress-plugins/contact-forms/">
147	<?php
148	$plugin_data = get_plugin_data(ACCUA_FORMS_FILE);
149	esc_html_e('Version', 'contact-forms');
150	echo " " . esc_html($plugin_data['Version']); ?></a> \| <a href="admin.php?page=accua_forms" title="Contact Forms Dashboard"><?php esc_html_e('Dashboard', 'contact-forms'); ?></a>
151	</span>
152
153	<?php
154	}
155
156	function accua_forms_dashboard_page()
157	{
158	require_once ACCUA_FORMS_DIR . '/accua-forms-dashboard.php';
159	return _accua_forms_dashboard_page();
160	}
161
162
163	register_activation_hook(ACCUA_FORMS_FILE, 'accua_forms_install');
164	function accua_forms_install()
165	{
166	static $ran = false;
167	if ( $ran ) {
168	return;
169	}
170	$ran = true;
171
172	$modified = false;
173	$keys = get_option('accua_form_api_keys', array());
174	if (!isset($keys['hash'])) {
175	$modified = true;
176	$keys['hash'] = wp_generate_password(64, true, true);
177	}
178	if (!isset($keys['aes'])) {
179	$modified = true;
180	$keys['aes'] = wp_generate_password(64, true, true);
181	}
182	if ($modified) {
183	update_option('accua_form_api_keys', $keys);
184	}
185
186	global $wpdb;
187
188	require_once(ABSPATH . 'wp-admin/includes/upgrade.php');
189
190	$charset_collate = '';
191	if (! empty($wpdb->charset))
192	$charset_collate = "DEFAULT CHARACTER SET $wpdb->charset";
193	if (! empty($wpdb->collate))
194	$charset_collate .= " COLLATE $wpdb->collate";
195
196	$old_db_version = (int) get_option('accua_forms_db_version', 0);
197
198	if ($old_db_version < 3) {
199	$wpdb_suppress_errors_status = $wpdb->suppress_errors();
200	// phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching, WordPress.DB.DirectDatabaseQuery.SchemaChange -- Schema migration, runs once
201	$wpdb->query("ALTER TABLE `{$wpdb->prefix}accua_forms_submissions` DROP INDEX uri");
202	// phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching, WordPress.DB.DirectDatabaseQuery.SchemaChange -- Schema migration, runs once
203	$wpdb->query("ALTER TABLE `{$wpdb->prefix}accua_forms_submissions` DROP INDEX referrer");
204	$wpdb->suppress_errors($wpdb_suppress_errors_status);
205	}
206
207	$sql = "CREATE TABLE `{$wpdb->prefix}accua_forms_submissions` (
208	afs_id BIGINT(20) NOT NULL AUTO_INCREMENT,
209	afs_form_id VARCHAR(77) NOT NULL DEFAULT '',
210	afs_post_id BIGINT(20) NOT NULL DEFAULT 0,
211	afs_ip VARCHAR(255) NOT NULL DEFAULT '',
212	afs_uri TEXT NOT NULL,
213	afs_referrer TEXT NOT NULL,
214	afs_lang VARCHAR(60) NOT NULL DEFAULT '',
215	afs_created TIMESTAMP NOT NULL DEFAULT 0,
216	afs_submitted TIMESTAMP NOT NULL DEFAULT 0,
217	afs_status TINYINT(1) NOT NULL DEFAULT 0,
218	afs_anonymized TINYINT(1) NOT NULL DEFAULT 0,
219	afs_stats TEXT NOT NULL,
220	afs_lead_status TINYINT(1) NOT NULL DEFAULT 0,
221	PRIMARY KEY (afs_id),
222	KEY form (afs_form_id, afs_status),
223	KEY uri (afs_uri(190)),
224	KEY pid (afs_post_id),
225	KEY referrer (afs_referrer(190)),
226	KEY status (afs_status, afs_id),
227	KEY submitted (afs_submitted),
228	KEY lead_status (afs_lead_status, afs_status)
229	) $charset_collate;";
230	dbDelta($sql);
231
232	$sql = "CREATE TABLE `{$wpdb->prefix}accua_forms_submissions_values` (
233	afsv_sub_id BIGINT(20) NOT NULL,
234	afsv_field_id VARCHAR(77) NOT NULL,
235	afsv_type varchar(255) NOT NULL DEFAULT '',
236	afsv_value TEXT NOT NULL,
237	PRIMARY KEY (afsv_sub_id, afsv_field_id),
238	KEY value_index (afsv_field_id(77), afsv_value(114))
239	) $charset_collate;";
240	dbDelta($sql);
241
242	/* creazione tabella per le note dell'utente
243	sono relative a una compilazione
244	possono esserci più note per ogni compilazione in date diverse
245
246	*/
247	$sql = "CREATE TABLE `{$wpdb->prefix}accua_forms_submissions_notes` (
248	afsn_sub_id BIGINT(20) NOT NULL,
249	afsn_date TIMESTAMP NOT NULL DEFAULT 0,
250	afsn_text TEXT NOT NULL,
251	afsn_user VARCHAR(100) NOT NULL DEFAULT '',
252	PRIMARY KEY (afsn_sub_id, afsn_date),
253	KEY afsn_sub_id (afsn_sub_id)
254	) $charset_collate;";
255	dbDelta($sql);
256
257	// Data migration: run after dbDelta so new columns exist
258	if ($old_db_version < 14) {
259	// Migrate: afs_status=-2 (old "anonymized" status) → afs_anonymized=1 + restore original active status
260	// phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching -- One-time migration
261	$wpdb->query("UPDATE `{$wpdb->prefix}accua_forms_submissions` SET afs_anonymized = 1, afs_status = 0 WHERE afs_status = -2");
262
263	// Migrate saved forms from 1.x format to 2.0 format
264	$saved_forms = get_option('accua_forms_saved_forms', array());
265	if (is_array($saved_forms)) {
266	$forms_updated = false;
267	foreach ($saved_forms as $fid => &$form) {
268	// Rename legacy 'name' key to 'title' (changed in 2.0)
269	if (isset($form['name']) && !isset($form['title'])) {
270	$form['title'] = $form['name'];
271	unset($form['name']);
272	$forms_updated = true;
273	}
274	// Convert 'fields' from comma-separated string to array of instances
275	if (isset($form['fields']) && is_string($form['fields'])) {
276	$field_slugs = array_filter(array_map('trim', explode(',', $form['fields'])));
277	$form['fields'] = array();
278	foreach ($field_slugs as $slug) {
279	$form['fields'][] = array('ref' => $slug);
280	}
281	unset($form['fieldnum']);
282	$forms_updated = true;
283	}
284	}
285	unset($form);
286	if ($forms_updated) {
287	update_option('accua_forms_saved_forms', $saved_forms);
288	}
289	}
290	}
291
292
293	$avail_fields = get_option('accua_forms_avail_fields', array());
294
295	if (!is_array($avail_fields)) {
296	$avail_fields = array();
297	}
298
299	if (empty($avail_fields) \|\| ($old_db_version === 0)) {
300	$avail_fields += array(
301	'first_name' => array(
302	'id' => 'first_name',
303	'name' => 'First Name',
304	'type' => 'textfield',
305	'description' => '',
306	'default_value' => '',
307	'allowed_values' => '',
308	),
309	'last_name' => array(
310	'id' => 'last_name',
311	'name' => 'Last Name',
312	'type' => 'textfield',
313	'description' => '',
314	'default_value' => '',
315	'allowed_values' => '',
316	),
317	'email' => array(
318	'id' => 'email',
319	'name' => 'Email',
320	'type' => 'autoreply_email',
321	'description' => '',
322	'default_value' => '',
323	'allowed_values' => '',
324	),
325	'address' => array(
326	'id' => 'address',
327	'name' => 'Address',
328	'type' => 'textfield',
329	'description' => '',
330	'default_value' => '',
331	'allowed_values' => '',
332	),
333	'city' => array(
334	'id' => 'city',
335	'name' => 'City',
336	'type' => 'textfield',
337	'description' => '',
338	'default_value' => '',
339	'allowed_values' => '',
340	),
341	'state_province' => array(
342	'id' => 'state_province',
343	'name' => 'State/Province',
344	'type' => 'textfield',
345	'description' => '',
346	'default_value' => '',
347	'allowed_values' => '',
348	),
349	'country' => array(
350	'id' => 'country',
351	'name' => 'Country',
352	'type' => 'select',
353	'description' => '',
354	'default_value' => '-',
355	'allowed_values' => "-\|Select...
356	Afghanistan
357	�
358	land Islands
359	Albania
360	Algeria
361	American Samoa
362	Andorra
363	Angola
364	Anguilla
365	Antarctica
366	Antigua And Barbuda
367	Argentina
368	Armenia
369	Aruba
370	Australia
371	Austria
372	Azerbaijan
373	Bahamas
374	Bahrain
375	Bangladesh
376	Barbados
377	Belarus
378	Belgium
379	Belize
380	Benin
381	Bermuda
382	Bhutan
383	Bolivia
384	Bosnia And Herzegovina
385	Botswana
386	Bouvet Island
387	Brazil
388	British Indian Ocean Territory
389	Brunei Darussalam
390	Bulgaria
391	Burkina Faso
392	Burundi
393	Cambodia
394	Cameroon
395	Canada
396	Cape Verde
397	Cayman Islands
398	Central African Republic
399	Chad
400	Chile
401	China
402	Christmas Island
403	Cocos (Keeling) Islands
404	Colombia
405	Comoros
406	Congo
407	Congo, The Democratic Republic Of The
408	Cook Islands
409	Costa Rica
410	Côte D'Ivoire
411	Croatia
412	Cuba
413	Cyprus
414	Czech Republic
415	Denmark
416	Djibouti
417	Dominica
418	Dominican Republic
419	Ecuador
420	Egypt
421	El Salvador
422	Equatorial Guinea
423	Eritrea
424	Estonia
425	Ethiopia
426	Falkland Islands (Malvinas)
427	Faroe Islands
428	Fiji
429	Finland
430	France
431	French Guiana
432	French Polynesia
433	French Southern Territories
434	Gabon
435	Gambia
436	Georgia
437	Germany
438	Ghana
439	Gibraltar
440	Greece
441	Greenland
442	Grenada
443	Guadeloupe
444	Guam
445	Guatemala
446	Guernsey
447	Guinea
448	Guinea-Bissau
449	Guyana
450	Haiti
451	Heard Island And Mcdonald Islands
452	Holy See (Vatican City State)
453	Honduras
454	Hong Kong
455	Hungary
456	Iceland
457	India
458	Indonesia
459	Iran, Islamic Republic Of
460	Iraq
461	Ireland
462	Isle Of Man
463	Israel
464	Italy
465	Jamaica
466	Japan
467	Jersey
468	Jordan
469	Kazakhstan
470	Kenya
471	Kiribati
472	Korea, Democratic People'S Republic Of
473	Korea, Republic Of
474	Kuwait
475	Kyrgyzstan
476	Lao People'S Democratic Republic
477	Latvia
478	Lebanon
479	Lesotho
480	Liberia
481	Libyan Arab Jamahiriya
482	Liechtenstein
483	Lithuania
484	Luxembourg
485	Macao
486	Macedonia, The Former Yugoslav Republic Of
487	Madagascar
488	Malawi
489	Malaysia
490	Maldives
491	Mali
492	Malta
493	Marshall Islands
494	Martinique
495	Mauritania
496	Mauritius
497	Mayotte
498	Mexico
499	Micronesia, Federated States Of
500	Moldova, Republic Of
501	Monaco
502	Mongolia
503	Montenegro
504	Montserrat
505	Morocco
506	Mozambique
507	Myanmar
508	Namibia
509	Nauru
510	Nepal
511	Netherlands
512	Netherlands Antilles
513	New Caledonia
514	New Zealand
515	Nicaragua
516	Niger
517	Nigeria
518	Niue
519	Norfolk Island
520	Northern Mariana Islands
521	Norway
522	Oman
523	Pakistan
524	Palau
525	Palestinian Territory, Occupied
526	Panama
527	Papua New Guinea
528	Paraguay
529	Peru
530	Philippines
531	Pitcairn
532	Poland
533	Portugal
534	Puerto Rico
535	Qatar
536	Réunion
537	Romania
538	Russian Federation
539	Rwanda
540	Saint Barthélemy
541	Saint Helena
542	Saint Kitts And Nevis
543	Saint Lucia
544	Saint Martin
545	Saint Pierre And Miquelon
546	Saint Vincent And The Grenadines
547	Samoa
548	San Marino
549	Sao Tome And Principe
550	Saudi Arabia
551	Senegal
552	Serbia
553	Seychelles
554	Sierra Leone
555	Singapore
556	Slovakia
557	Slovenia
558	Solomon Islands
559	Somalia
560	South Africa
561	South Georgia And The South Sandwich Islands
562	Spain
563	Sri Lanka
564	Sudan
565	Suriname
566	Svalbard And Jan Mayen
567	Swaziland
568	Sweden
569	Switzerland
570	Syrian Arab Republic
571	Taiwan, Province Of China
572	Tajikistan
573	Tanzania, United Republic Of
574	Thailand
575	Timor-Leste
576	Togo
577	Tokelau
578	Tonga
579	Trinidad And Tobago
580	Tunisia
581	Turkey
582	Turkmenistan
583	Turks And Caicos Islands
584	Tuvalu
585	Uganda
586	Ukraine
587	United Arab Emirates
588	United Kingdom
589	United States
590	United States Minor Outlying Islands
591	Uruguay
592	Uzbekistan
593	Vanuatu
594	Venezuela, Bolivarian Republic Of
595	Viet Nam
596	Virgin Islands, British
597	Virgin Islands, U.S.
598	Wallis And Futuna
599	Western Sahara
600	Yemen
601	Zambia
602	Zimbabwe",
603	),
604	'message' => array(
605	'id' => 'message',
606	'name' => 'Message',
607	'type' => 'textarea',
608	'description' => '',
609	'default_value' => '',
610	'allowed_values' => '',
611	),
612	'captcha' => array(
613	'id' => 'captcha',
614	'name' => 'Captcha',
615	'type' => 'captcha',
616	'description' => '',
617	'default_value' => '',
618	'allowed_values' => '',
619	),
620	'turnstile' => array(
621	'id' => 'turnstile',
622	'name' => 'Turnstile',
623	'type' => 'turnstile',
624	'description' => '',
625	'default_value' => '',
626	'allowed_values' => '',
627	),
628	);
629	update_option('accua_forms_avail_fields', $avail_fields);
630	}
631
632	// Add Turnstile field for existing installations (backward compatibility)
633	// Only add if it doesn't exist yet
634	if (!isset($avail_fields['turnstile'])) {
635	$avail_fields['turnstile'] = array(
636	'id' => 'turnstile',
637	'name' => 'Turnstile',
638	'type' => 'turnstile',
639	'description' => '',
640	'default_value' => '',
641	'allowed_values' => '',
642	);
643	update_option('accua_forms_avail_fields', $avail_fields);
644	}
645
646	// Add Telephone field for existing installations (backward compatibility)
647	// Only add if it doesn't exist yet
648	if (!isset($avail_fields['telephone'])) {
649	$avail_fields['telephone'] = array(
650	'id' => 'telephone',
651	'name' => 'Telephone',
652	'type' => 'telephone',
653	'description' => '',
654	'default_value' => '+39 ',
655	'allowed_values' => '',
656	);
657	update_option('accua_forms_avail_fields', $avail_fields);
658	}
659
660	$form_data = get_option('accua_forms_default_form_data', array());
661	if (!is_array($form_data)) {
662	$form_data = array();
663	}
664
665	// Use the centralized defaults function
666	$form_data += accua_forms_get_default_form_data();
667
668	update_option('accua_forms_default_form_data', $form_data);
669	update_option('accua_forms_db_version', ACCUA_FORMS_DB_VERSION);
670	}
671
672	add_action('plugins_loaded', 'accua_forms_check_db_version_and_update', 9);
673	function accua_forms_check_db_version_and_update()
674	{
675	if ( get_transient( '_accua_forms_data_deleted' ) ) {
676	return;
677	}
678	$db_version = get_option('accua_forms_db_version', '');
679	if (ACCUA_FORMS_DB_VERSION != $db_version) {
680	accua_forms_install();
681	}
682	}
683
684	add_filter('robots_txt', 'accua_forms_robots_txt', 10, 2);
685	function accua_forms_robots_txt($output, $public)
686	{
687	if ($public) {
688	$site_url = parse_url(site_url());
689	$path = (!empty($site_url['path'])) ? $site_url['path'] : '';
690	$output .= "\nUser-agent: *\n";
691	$output .= "Allow: $path/wp-admin/js/\n";
692	$output .= "Allow: $path/wp-admin/css/\n";
693	}
694	return $output;
695	}
696
697	// phpcs:ignore WordPress.NamingConventions.PrefixAllGlobals.NonPrefixedFunctionFound -- Internal helper function with underscore prefix
698	function _accua_forms_json_encode($item)
699	{
700	static $version = NULL;
701	if ($version === NULL) {
702	$version = version_compare(PHP_VERSION, '5.3.0', '>=');
703	}
704	if ($version) {
705	return json_encode($item, JSON_HEX_TAG \| JSON_HEX_APOS \| JSON_HEX_QUOT \| JSON_HEX_AMP);
706	} else {
707	return strtr(
708	json_encode($item),
709	array(
710	'&' => '\\u0026',
711	'<' => '\\u003C',
712	'>' => '\\u003E',
713	)
714	);
715	}
716	}
717
718	/* per ripulire eventuali token impostati nella versione 1.9.4 */
719	function accua_forms_cleanup_meta_tokens()
720	{
721	global $wpdb;
722	// phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching -- One-time cleanup on activation
723	$post_ids = $wpdb->get_col("SELECT post_id FROM {$wpdb->postmeta} WHERE meta_key = '_accua_download_token'");
724
725	if (!empty($post_ids)) {
726	// phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching -- One-time cleanup on activation
727	$wpdb->query("DELETE FROM {$wpdb->postmeta} WHERE meta_key = '_accua_download_token'");
728	}
729	}
730	register_activation_hook(__FILE__, 'accua_forms_cleanup_meta_tokens');
731
732	// Schedule retention cleanup cron on activation
733	register_activation_hook( __FILE__, 'accua_forms_activate_retention_cron' );
734	function accua_forms_activate_retention_cron() {
735	if ( ! wp_next_scheduled( 'accua_forms_retention_cleanup' ) ) {
736	wp_schedule_event( time(), 'daily', 'accua_forms_retention_cleanup' );
737	}
738	}
739
740	// Clear retention cleanup cron on deactivation
741	register_deactivation_hook( __FILE__, 'accua_forms_deactivate_retention_cron' );
742	function accua_forms_deactivate_retention_cron() {
743	wp_clear_scheduled_hook( 'accua_forms_retention_cleanup' );
744	}
745
746	// Add REST API compatibility
747	add_action('rest_api_init', 'accua_forms_rest_compatibility');
748
749	/**
750	* Ensures proper REST API compatibility by closing any open PHP sessions
751	* This prevents timeouts when WordPress is making internal REST API requests
752	*/
753	function accua_forms_rest_compatibility()
754	{
755	// Check if a session is active and close it for REST requests
756	if (session_id() && session_status() === PHP_SESSION_ACTIVE) {
757	session_write_close();
758	}
759
760	// Remove hooks that might interfere with REST API requests
761	remove_action('init', 'accua_forms_init_session', 1);
762	}
763
764	/**
765	* Get the default form data values.
766	*
767	* This function returns all default values for form settings including messages,
768	* email templates, and styling options. Used during installation and for the
769	* "Restore to Default" functionality in the settings page.
770	*
771	* @since 2.0.0-beta.6
772	* @return array Default form data values.
773	*/
774	function accua_forms_get_default_form_data()
775	{
776	return array(
777	'success_message' => '<div style="font-family: Arial, Helvetica, sans-serif;">
778	<h2>' . __('Thank you', 'contact-forms') . ' {first_name} {last_name},</h2>
779	' . __('We have received your contact request. Check your inbox for the confirmation message.', 'contact-forms') . '
780
781	<strong>' . __('Can\'t find the email?', 'contact-forms') . '</strong>
782
783	' . __('It doesn\'t happen often but your mailbox could apply strict spam rules that block our email from reaching your inbox. Try checking your spam folder.', 'contact-forms') . '
784
785	' . __('Also check that the email you entered in the form', 'contact-forms') . ' (<strong>{email}</strong>) ' . __('is correct. If it is not, you can submit the form again.', 'contact-forms') . '
786
787	' . __('For any other issues, please don\'t hesitate to contact us.', 'contact-forms') . '
788
789	</div>',
790	'error_message' => '<div style="font-family: Arial, Helvetica, sans-serif;">
791	<h2>' . __('Oops! Something went wrong.', 'contact-forms') . '</h2>
792	' . __('Internet is an awfully complex place and even though we take every precaution to make sure things run smoothly every once in a while things can go wrong that are not under our control.', 'contact-forms') . '
793
794	' . __('Please try filling in the form again.', 'contact-forms') . '
795
796	' . __('For any other issues, please don\'t hesitate to contact us.', 'contact-forms') . '
797
798	</div>',
799	'emails_from_name' => '',
800	'emails_from' => '',
801	'admin_emails_to' => get_option('admin_email', ''),
802	'emails_bcc' => '',
803	'admin_emails_subject' => __('New contact request from your site', 'contact-forms'),
804	'admin_emails_message' => '<table style="font-family: Arial, Helvetica, sans-serif; background: #fff; margin-top: 10px; border: 1px solid #DDDDDD; max-width: 700px;" cellspacing="0" cellpadding="0" align="center">
805	<tbody>
806	<tr>
807	<td>
808	<table style="max-width:700px;" border="0" cellspacing="0" cellpadding="0" align="center">
809	<tbody>
810	<tr>
811	<td>
812	<table style="padding: 10px; border: 1px solid #dfdfdf; max-width:700px;" border="0" cellspacing="0" cellpadding="0" align="center">
813	<tbody>
814	<tr valign="top">
815	<td style="max-width:22px;"></td>
816	<td style="font-family: Arial, Helvetica, sans-serif; padding: 0px 30px 10px; max-width: 645px;">
817	<table>
818	<tbody>
819	<tr>
820	<td>' . __('On', 'contact-forms') . ' {__submitted_day_month_year} ' . __('at', 'contact-forms') . ' {__submitted_hour} ' . __('the following form was filled in.', 'contact-forms') . '
821
822	<hr />
823
824	<strong>' . __('Page where the form was filled in', 'contact-forms') . '</strong>
825	<a href="{__url}">{__url}</a></td>
826	</tr>
827	<tr><td>
828	<strong>' . __('Submission review page', 'contact-forms') . '</strong>
829	<a href="{__review_submission_url}">{__review_submission_url}</a>
830	</td></tr>
831	<tr>
832	<td id="submitted_html">{__submitted_html}</td>
833	</tr>
834	<tr>
835	<td>[form_if {__referrer} [<strong>' . __('Referrer', 'contact-forms') . '</strong> - ' . __('where the visitor came from', 'contact-forms') . ' <em>' . __('before reaching the page', 'contact-forms') . '</em>: {__referrer}]]</td>
836	</tr>
837	<tr>
838	<td><strong>' . __('Contact IP', 'contact-forms') . '</strong> {__anonymized_ip}
839	<hr />
840	</td>
841	</tr>
842	<tr>
843	<td>[form_if {__autoreply} [' . __('A confirmation email was sent to', 'contact-forms') . ' <a href="mailto:{email}">{email}</a> ' . __('with the following message', 'contact-forms') . ':
844	<table>
845	<tbody>
846	<tr>
847	<td>{__confirmation_emails_message}</td>
848	</tr>
849	</tbody>
850	</table> ]]
851	</td>
852	</tr>
853	</tbody>
854	</table>
855	</td>
856	<td style="max-width:23px"></td>
857	</tr>
858	</tbody>
859	</table>
860	</td>
861	</tr>
862	</tbody>
863	</table>
864	</td>
865	</tr>
866	</tbody>
867	</table>',
868	'confirmation_emails_subject' => __('Your message', 'contact-forms'),
869	'confirmation_emails_message' => '<div style="font-family: Arial, Helvetica, sans-serif;">
870
871	<h2>' . __('Thank you', 'contact-forms') . ' {first_name} {last_name},</h2>
872	' . __('Thank you for your contact request.', 'contact-forms') . '
873
874	' . __('We will contact you as soon as possible.', 'contact-forms') . '
875
876	' . __('Sincerely,', 'contact-forms') . '
877
878	' . __('The Website Team', 'contact-forms') . '
879
880	<hr />
881	</div>',
882
883	'layout' => 'sidebyside',
884	'style_margin' => '',
885	'style_border_color' => '',
886	'style_border_width' => '',
887	'style_border_radius' => '',
888	'style_background_color' => '',
889	'style_padding' => '',
890	'style_color' => '',
891	'style_font_size' => '',
892	'style_field_spacing' => '',
893	'style_field_border_color' => '',
894	'style_field_border_width' => '',
895	'style_field_border_radius' => '',
896	'style_field_background_color' => '',
897	'style_field_padding' => '',
898	'style_field_color' => '',
899	'style_submit_border_color' => '',
900	'style_submit_border_width' => '',
901	'style_submit_border_radius' => '',
902	'style_submit_background_color' => '',
903	'style_submit_padding' => '',
904	'style_submit_color' => '',
905	'style_submit_font_size' => '',
906	);
907	}
908
909	/**
910	* Get all countries with localized names for phone field country selector.
911	*
912	* Uses PHP Intl extension to generate localized country names from ISO 3166-1 alpha-2 codes.
913	* Falls back to country codes if Intl extension is unavailable.
914	*
915	* @since 2.0.0-beta.34
916	* @param string\|null $display_locale Locale for display names (default: current WordPress locale).
917	* @return array Associative array ['US' => 'United States', 'IT' => 'Italy', ...] sorted alphabetically.
918	*/
919	function accua_forms_get_countries( $display_locale = null ) {
920	// ISO 3166-1 alpha-2 codes - complete list (249 countries/territories)
921	$country_codes = array(
922	'AF', 'AX', 'AL', 'DZ', 'AS', 'AD', 'AO', 'AI', 'AQ', 'AG', 'AR', 'AM', 'AW', 'AU', 'AT', 'AZ',
923	'BS', 'BH', 'BD', 'BB', 'BY', 'BE', 'BZ', 'BJ', 'BM', 'BT', 'BO', 'BQ', 'BA', 'BW', 'BV', 'BR',
924	'IO', 'BN', 'BG', 'BF', 'BI', 'KH', 'CM', 'CA', 'CV', 'KY', 'CF', 'TD', 'CL', 'CN', 'CX', 'CC',
925	'CO', 'KM', 'CG', 'CD', 'CK', 'CR', 'CI', 'HR', 'CU', 'CW', 'CY', 'CZ', 'DK', 'DJ', 'DM', 'DO',
926	'EC', 'EG', 'SV', 'GQ', 'ER', 'EE', 'ET', 'FK', 'FO', 'FJ', 'FI', 'FR', 'GF', 'PF', 'TF', 'GA',
927	'GM', 'GE', 'DE', 'GH', 'GI', 'GR', 'GL', 'GD', 'GP', 'GU', 'GT', 'GG', 'GN', 'GW', 'GY', 'HT',
928	'HM', 'VA', 'HN', 'HK', 'HU', 'IS', 'IN', 'ID', 'IR', 'IQ', 'IE', 'IM', 'IL', 'IT', 'JM', 'JP',
929	'JE', 'JO', 'KZ', 'KE', 'KI', 'KP', 'KR', 'KW', 'KG', 'LA', 'LV', 'LB', 'LS', 'LR', 'LY', 'LI',
930	'LT', 'LU', 'MO', 'MK', 'MG', 'MW', 'MY', 'MV', 'ML', 'MT', 'MH', 'MQ', 'MR', 'MU', 'YT', 'MX',
931	'FM', 'MD', 'MC', 'MN', 'ME', 'MS', 'MA', 'MZ', 'MM', 'NA', 'NR', 'NP', 'NL', 'NC', 'NZ', 'NI',
932	'NE', 'NG', 'NU', 'NF', 'MP', 'NO', 'OM', 'PK', 'PW', 'PS', 'PA', 'PG', 'PY', 'PE', 'PH', 'PN',
933	'PL', 'PT', 'PR', 'QA', 'RE', 'RO', 'RU', 'RW', 'BL', 'SH', 'KN', 'LC', 'MF', 'PM', 'VC', 'WS',
934	'SM', 'ST', 'SA', 'SN', 'RS', 'SC', 'SL', 'SG', 'SX', 'SK', 'SI', 'SB', 'SO', 'ZA', 'GS', 'SS',
935	'ES', 'LK', 'SD', 'SR', 'SJ', 'SZ', 'SE', 'CH', 'SY', 'TW', 'TJ', 'TZ', 'TH', 'TL', 'TG', 'TK',
936	'TO', 'TT', 'TN', 'TR', 'TM', 'TC', 'TV', 'UG', 'UA', 'AE', 'GB', 'US', 'UM', 'UY', 'UZ', 'VU',
937	'VE', 'VN', 'VG', 'VI', 'WF', 'EH', 'YE', 'ZM', 'ZW',
938	);
939
940	// Use WordPress locale if not specified
941	if ( null === $display_locale ) {
942	$display_locale = get_locale();
943	}
944
945	// Check if Intl extension is available
946	if ( ! class_exists( 'Locale' ) ) {
947	// Fallback: return codes as both key and value
948	return array_combine( $country_codes, $country_codes );
949	}
950
951	$countries = array();
952	foreach ( $country_codes as $code ) {
953	// The trick: prepend '-' to convert region code to locale format
954	$name = Locale::getDisplayRegion( '-' . $code, $display_locale );
955	// If Intl returns the code itself (unknown region), use the code
956	$countries[ $code ] = ( $name && $name !== $code ) ? $name : $code;
957	}
958
959	// Sort alphabetically by localized name
960	asort( $countries, SORT_LOCALE_STRING );
961
962	return $countries;
963	}
964
965	/**
966	* Get the translated label for a layout value.
967	*
968	* Returns the human-readable, translated label for a given layout value.
969	* Used in layout dropdowns throughout the admin interface.
970	*
971	* @since 2.0.0-beta.29
972	* @param string $layout Layout value: 'sidebyside', 'toplabel', or 'inlinelabel'.
973	* @return string Translated layout label.
974	*/
975	function accua_forms_get_layout_label( $layout ) {
976	switch ( $layout ) {
977	case 'toplabel':
978	return __( 'Labels on top of the fields', 'contact-forms' );
979	case 'inlinelabel':
980	return __( 'Inline labels', 'contact-forms' );
981	case 'sidebyside':
982	default:
983	return __( 'Labels on the left of the fields', 'contact-forms' );
984	}
985	}
986