class-settings-api.php — Post Views Counter trunk

post-views-counter / includes / class-settings-api.php

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class-settings-api.php

1279 lines

1	<?php
2	// exit if accessed directly
3	if ( ! defined( 'ABSPATH' ) )
4	exit;
5
6	/**
7	* Post_Views_Counter_Settings_API class.
8	*
9	* @class Post_Views_Counter_Settings_API
10	*/
11	class Post_Views_Counter_Settings_API {
12
13	private $settings = [];
14	private $input_settings = [];
15	private $validated_settings = [];
16	private $pages = [];
17	private $page_types = [];
18	private $prefix = '';
19	private $slug = '';
20	private $domain = '';
21	private $plugin = '';
22	private $plugin_url = '';
23	private $object;
24	private $nested = false;
25
26	/**
27	* Class constructor.
28	*
29	* @return void
30	*/
31	public function __construct( $args ) {
32	// set initial data
33	$this->prefix = $args['prefix'];
34	$this->domain = $args['domain'];
35	$this->nested = isset( $args['nested'] ) ? (bool) $args['nested'] : false;
36
37	// empty slug?
38	if ( empty( $args['slug'] ) )
39	$this->slug = $args['domain'];
40	else
41	$this->slug = $args['slug'];
42
43	$this->object = $args['object'];
44	$this->plugin = $args['plugin'];
45	$this->plugin_url = $args['plugin_url'];
46
47	// actions
48	add_action( 'admin_menu', [ $this, 'admin_menu_options' ], 11 );
49	add_action( 'admin_init', [ $this, 'register_settings' ], 11 );
50	add_action( 'admin_enqueue_scripts', [ $this, 'admin_enqueue_scripts' ] );
51	}
52
53	/**
54	* Get prefix.
55	*
56	* @return string
57	*/
58	public function get_prefix() {
59	return $this->prefix;
60	}
61
62	/**
63	* Get pages.
64	*
65	* @return array
66	*/
67	public function get_pages() {
68	return $this->pages;
69	}
70
71	/**
72	* Get settings.
73	*
74	* @return array
75	*/
76	public function get_settings() {
77	return $this->settings;
78	}
79
80	/**
81	* Get current input settings during saving.
82	*
83	* @return array
84	*/
85	public function get_input_settings() {
86	return $this->input_settings;
87	}
88
89	/**
90	* Get already validated setting fields during saving.
91	*
92	* @return array
93	*/
94	public function get_validated_settings() {
95	return $this->validated_settings;
96	}
97
98	/**
99	* Get resolved defaults for a settings group.
100	*
101	* Allows settings objects to provide dynamic defaults for a group,
102	* such as the Emails recipient defaulting to the site admin email.
103	*
104	* @param string $setting_id
105	* @return array
106	*/
107	private function get_setting_defaults( $setting_id ) {
108	$defaults = isset( $this->object->defaults[$setting_id] ) && is_array( $this->object->defaults[$setting_id] ) ? $this->object->defaults[$setting_id] : [];
109	$callback = 'get_default_' . str_replace( '-', '_', $setting_id ) . '_settings';
110
111	if ( is_object( $this->object ) && method_exists( $this->object, $callback ) ) {
112	$resolved_defaults = call_user_func( [ $this->object, $callback ] );
113
114	if ( is_array( $resolved_defaults ) )
115	return $resolved_defaults;
116	}
117
118	return $defaults;
119	}
120
121	/**
122	* Load default scripts and styles.
123	*
124	* @return void
125	*/
126	public function admin_enqueue_scripts() {
127	// Legacy inline styles for disabled tabs
128	$handler = $this->prefix . '-settings-api-style';
129	wp_register_style( $handler, false );
130	wp_enqueue_style( $handler );
131
132	wp_add_inline_style( $handler, '.nav-tab-wrapper span.nav-span-disabled {
133	cursor: not-allowed;
134	float: left;
135	}
136	body.rtl .nav-tab-wrapper span.nav-span-disabled {
137	float: right;
138	}
139	.nav-tab-wrapper a.nav-tab.nav-tab-disabled {
140	pointer-events: none;
141	}
142	.nav-tab-wrapper a.nav-tab.nav-tab-disabled:hover {
143	cursor: not-allowed;
144	}' );
145
146	if ( $this->current_page_has_field_type( 'editor' ) )
147	wp_enqueue_editor();
148	}
149
150	/**
151	* Determine whether the current settings view contains a given field type.
152	*
153	* @param string $field_type
154	* @return bool
155	*/
156	private function current_page_has_field_type( $field_type ) {
157	if ( empty( $this->settings ) \|\| empty( $this->pages ) \|\| empty( $_GET['page'] ) )
158	return false;
159
160	$field_type = sanitize_key( $field_type );
161	$page_slug = sanitize_key( wp_unslash( $_GET['page'] ) );
162
163	if ( $field_type === '' \|\| $page_slug === '' )
164	return false;
165
166	foreach ( $this->pages as $page_key => $page ) {
167	if ( empty( $page['menu_slug'] ) \|\| sanitize_key( $page['menu_slug'] ) !== $page_slug )
168	continue;
169
170	$active_tab = '';
171
172	if ( ! empty( $page['tabs'] ) && is_array( $page['tabs'] ) ) {
173	reset( $page['tabs'] );
174	$active_tab = key( $page['tabs'] );
175
176	if ( ! empty( $_GET['tab'] ) ) {
177	$requested_tab = sanitize_key( wp_unslash( $_GET['tab'] ) );
178
179	if ( array_key_exists( $requested_tab, $page['tabs'] ) )
180	$active_tab = $requested_tab;
181	}
182	}
183
184	if ( empty( $this->settings[$page_key]['fields'] ) \|\| ! is_array( $this->settings[$page_key]['fields'] ) )
185	return false;
186
187	foreach ( $this->settings[$page_key]['fields'] as $field ) {
188	if ( empty( $field['type'] ) \|\| sanitize_key( $field['type'] ) !== $field_type )
189	continue;
190
191	if ( ! empty( $field['tab'] ) && $active_tab !== '' && $field['tab'] !== $active_tab )
192	continue;
193
194	return true;
195	}
196
197	return false;
198	}
199
200	return false;
201	}
202
203	/**
204	* Add menu pages.
205	*
206	* @return void
207	*/
208	public function admin_menu_options() {
209	$this->pages = apply_filters( $this->prefix . '_settings_pages', [] );
210	$types = [
211	'page' => [],
212	'subpage' => [],
213	'settings_page' => []
214	];
215
216	foreach ( $this->pages as $page => $data ) {
217	// skip invalid page types
218	if ( empty( $data['type'] ) \|\| ! array_key_exists( $data['type'], $types ) )
219	continue;
220
221	if ( $data['type'] === 'page' ) {
222	add_menu_page( $data['page_title'], $data['menu_title'], $data['capability'], $data['menu_slug'], ! empty( $data['callback'] ) ? $data['callback'] : [ $this, 'options_page' ], $data['icon'], $data['position'] );
223
224	// add page type
225	$types['page'][$data['menu_slug']] = $page;
226	// menu subpage?
227	} elseif ( $data['type'] === 'subpage' ) {
228	add_submenu_page( $data['parent_slug'], $data['page_title'], $data['menu_title'], $data['capability'], $data['menu_slug'], ! empty( $data['callback'] ) ? $data['callback'] : [ $this, 'options_page' ] );
229
230	// add subpage type
231	$types['subpage'][$data['menu_slug']] = $page;
232	// menu settings page?
233	} elseif ( $data['type'] === 'settings_page' ) {
234	add_options_page( $data['page_title'], $data['menu_title'], $data['capability'], $data['menu_slug'], ! empty( $data['callback'] ) ? $data['callback'] : [ $this, 'options_page' ] );
235
236	// add settings type
237	$types['settings_page'][$data['menu_slug']] = $page;
238	}
239	}
240
241	// set page types
242	$this->page_types = $types;
243	}
244
245	/**
246	* Render settings.
247	*
248	* @global string $pagenow
249	*
250	* @return void
251	*/
252	public function options_page() {
253	global $pagenow;
254
255	$valid_page = false;
256
257	// get current screen
258	$screen = get_current_screen();
259
260	// display top level settings page?
261	if ( $pagenow === 'admin.php' && preg_match( '/^toplevel_page_(' . implode( '\|', $this->page_types['page'] ) . ')$/', $screen->base, $matches ) === 1 && ! empty( $matches[1] ) ) {
262	$valid_page = true;
263	$page_type = 'page';
264	$url_page = 'admin.php';
265	}
266
267	// display settings page?
268	if ( ! $valid_page && $pagenow === 'options-general.php' && preg_match( '/^(?:settings_page_)(' . implode( '\|', array_keys( $this->page_types['settings_page'] ) ) . ')$/', $screen->base, $matches ) === 1 ) {
269	$valid_page = true;
270	$page_type = 'settings_page';
271	$url_page = 'options-general.php';
272	}
273
274	// skip invalid pages
275	if ( ! $valid_page )
276	return;
277
278	$page_key = $this->page_types[$page_type][$matches[1]];
279	$tab_key = '';
280	$tabs = [];
281
282	// any tabs?
283	if ( array_key_exists( 'tabs', $this->pages[$page_key] ) ) {
284	// get tabs
285	$tabs = $this->pages[$page_key]['tabs'];
286
287	// reset tabs
288	reset( $tabs );
289
290	// get first default tab
291	$first_tab = key( $tabs );
292
293	// get current tab
294	$tab_key = ! empty( $_GET['tab'] ) && array_key_exists( $_GET['tab'], $tabs ) ? $_GET['tab'] : $first_tab;
295
296	// check current tab
297	if ( ! empty( $_GET['tab'] ) )
298	$tab_key = sanitize_key( $_GET['tab'] );
299
300	// invalid tab?
301	if ( ! array_key_exists( $tab_key, $tabs ) )
302	$tab_key = $first_tab;
303
304	$tab_label = ! empty( $tabs[$tab_key]['label'] ) ? $tabs[$tab_key]['label'] : '';
305	$tab_heading = ! empty( $tabs[$tab_key]['heading'] ) ? $tabs[$tab_key]['heading'] : '';
306	} else
307	$tab_label = '';
308
309	if ( empty( $tabs ) )
310	$tab_heading = '';
311
312	$heading = $this->plugin;
313
314	echo '
315	<div class="wrap ' . $this->prefix . '-settings-wrapper' . '" data-settings-prefix="' . esc_attr( $this->prefix ) . '">
316	<div class="header-wrapper">
317	<span class="header-title">' . esc_html( $heading ) . '</span>
318	</div>';
319
320	if ( ! empty( $tabs ) ) {
321	echo '
322	<nav class="nav-tab-wrapper">';
323
324	foreach ( $tabs as $key => $tab ) {
325	if ( ! empty( $tab['disabled'] ) )
326	$url = '';
327	else
328	$url = admin_url( $url_page . '?page=' . $matches[1] . '&tab=' . $key );
329
330	if ( ! empty( $tab['disabled'] ) )
331	echo '<span class="nav-span-disabled">';
332
333	echo '
334	<a class="nav-tab' . ( $tab_key === $key ? ' nav-tab-active' : '' ) . ( ! empty( $tab['disabled'] ) ? ' nav-tab-disabled' : '' ) . ( ! empty( $tab['class'] ) ? ' ' . esc_attr( $tab['class'] ) : '' ) . '" href="' . ( $url !== '' ? esc_url( $url ) : '#' ) . '">' . esc_html( $tab['label'] ) . '</a>';
335
336	if ( ! empty( $tab['disabled'] ) )
337	echo '</span>';
338	}
339
340	echo '
341	</nav>';
342	}
343
344	echo '
345	<div class="content-wrapper">
346	<h1 class="screen-reader-text">' . esc_html( $heading ) . '</h1>';
347
348	// skip for internal options page
349	if ( $page_type !== 'settings_page' )
350	settings_errors();
351
352	// get settings page classes
353	$settings_class = apply_filters( $this->prefix . '_settings_page_class', [ $this->slug . '-settings', $tab_key . '-settings', $this->prefix . '-settings' ] );
354
355	// sanitize settings page classes
356	$settings_class = array_unique( array_filter( array_map( 'sanitize_html_class', $settings_class ) ) );
357
358	// resolve setting group for sidebar/form
359	if ( ! empty( $tab_key ) ) {
360	if ( ! empty( $tabs[$tab_key]['option_name'] ) ) {
361	$setting = $tabs[$tab_key]['option_name'];
362	} else {
363	$setting = $this->prefix . '_' . $tab_key . '_settings';
364	}
365	} else {
366	$setting = $this->prefix . '_' . $matches[1] . '_settings';
367	}
368
369	// capture sidebar output
370	ob_start();
371	do_action( $this->prefix . '_settings_sidebar', $setting, $page_type, $url_page, $tab_key );
372	$sidebar_html = trim( ob_get_clean() );
373
374	// add has-sidebar class if sidebar has content
375	if ( ! empty( $sidebar_html ) ) {
376	$settings_class[] = 'has-sidebar';
377	}
378
379	echo '
380	<div class="' . implode( ' ', array_map( 'esc_attr', $settings_class ) ) . '">';
381
382	$display_form = true;
383
384	// check form attribute
385	if ( ! empty( $tab_key ) && ! empty( $tabs[$tab_key]['form'] ) ) {
386	$form = $tabs[$tab_key]['form'];
387
388	if ( isset( $form['buttons'] ) && ! $form['buttons'] )
389	$display_form = false;
390	} elseif ( ! empty( $tab_key ) && isset( $this->settings[$matches[1]]['form'][$tab_key] ) ) {
391	$form = $this->settings[$matches[1]]['form'][$tab_key];
392
393	if ( isset( $form['buttons'] ) && ! $form['buttons'] )
394	$display_form = false;
395	} elseif ( isset( $this->settings[$matches[1]]['form'] ) ) {
396	$form = $this->settings[$matches[1]]['form'];
397
398	if ( isset( $form['buttons'] ) && ! $form['buttons'] )
399	$display_form = false;
400	}
401
402	if ( $display_form ) {
403	echo '
404	<form action="options.php" method="post" novalidate class="' . $this->prefix . '-settings-form">';
405	}
406
407	settings_fields( $setting );
408
409	if ( $display_form )
410	do_action( $this->prefix . '_settings_form', $setting, $page_type, $url_page, $tab_key );
411
412	// filter sections by tab if tabs are present
413	global $wp_settings_sections;
414
415	$original_sections = $wp_settings_sections;
416
417	if ( ! empty( $tab_key ) && isset( $this->settings[$page_key]['sections'] ) ) {
418	$filtered_sections = [];
419
420	foreach ( $this->settings[$page_key]['sections'] as $section_id => $section ) {
421	// include sections without tab or matching current tab
422	if ( empty( $section['tab'] ) \|\| $section['tab'] === $tab_key ) {
423	if ( isset( $wp_settings_sections[$setting][$section_id] ) ) {
424	$filtered_sections[$section_id] = $wp_settings_sections[$setting][$section_id];
425	}
426	}
427	}
428
429	// replace with filtered sections
430	if ( isset( $wp_settings_sections[$setting] ) ) {
431	$wp_settings_sections[$setting] = $filtered_sections;
432	}
433	}
434
435	do_settings_sections( $setting );
436
437	// restore original sections
438	$wp_settings_sections = $original_sections;
439
440	if ( $display_form ) {
441	$setting_hyphenated = str_replace( '_', '-', $setting );
442	$legacy_reset_class = 'reset_' . $setting;
443	echo '
444	<p class="submit">';
445
446	submit_button( '', 'primary save-' . $setting_hyphenated, 'save_' . $setting, false, [ 'id' => 'save-' . $setting_hyphenated ] );
447
448	submit_button( __( 'Reset to defaults', $this->domain ), 'outline reset_pvc_settings ' . $legacy_reset_class . ' reset-' . $setting_hyphenated, 'reset_' . $setting, false, [ 'id' => 'reset-' . $setting_hyphenated ] );
449
450	echo '
451	</p>
452	</form>';
453	}
454
455	// output sidebar if it has content
456	if ( ! empty( $sidebar_html ) ) {
457	echo '
458	<div class="' . $this->prefix . '-sidebar">' . $sidebar_html . '</div>';
459	}
460
461	echo '
462	</div>
463	</div>';
464
465	echo '
466	<div class="clear"></div>
467	</div>';
468	}
469
470	/**
471	* Register settings.
472	*
473	* @return void
474	*/
475	public function register_settings() {
476	$this->settings = apply_filters( $this->prefix . '_settings_data', [] );
477
478	// check settings
479	foreach ( $this->settings as $setting_id => $setting ) {
480	// tabs?
481	if ( is_array( $setting['option_name'] ) ) {
482	foreach ( $setting['option_name'] as $tab => $option_name ) {
483	$this->register_setting_fields( $tab, $setting, $option_name );
484	}
485	} else
486	$this->register_setting_fields( $setting_id, $setting );
487	}
488	}
489
490	/**
491	* Register setting with sections and fields.
492	*
493	* @return void
494	*/
495	public function register_setting_fields( $setting_id, $setting, $option_name = '' ) {
496	if ( empty( $option_name ) )
497	$option_name = $setting['option_name'];
498
499	// register setting
500	register_setting( $option_name, $option_name, ! empty( $setting['validate'] ) ? $setting['validate'] : [ $this, 'validate_settings' ] );
501
502	// register setting sections
503	if ( ! empty( $setting['sections'] ) ) {
504	foreach ( $setting['sections'] as $section_id => $section ) {
505	// skip unwanted sections
506	if ( ! empty( $section['tab'] ) && $section['tab'] !== $setting_id )
507	continue;
508
509	// Auto-generate section classes and wrapper
510	$base_slug = sanitize_html_class( str_replace( '_', '-', $section_id ) );
511	$section_prefix = apply_filters( $this->prefix . '_settings_section_prefix', $this->prefix );
512	$section_prefix = sanitize_html_class( $section_prefix );
513	$section_classes = $section_prefix . '-section ' . $section_prefix . '-section-' . $base_slug;
514	$section_args = [
515	'section_class' => $section_classes,
516	'before_section' => '<section id="' . $section_prefix . '-section-' . $base_slug . '" class="%s">',
517	'after_section' => '</section>',
518	];
519
520	add_settings_section(
521	$section_id,
522	! empty( $section['title'] ) ? esc_html( $section['title'] ) : '',
523	! empty( $section['callback'] ) ? $section['callback'] : null,
524	! empty( $section['page'] ) ? $section['page'] : $option_name,
525	$section_args
526	);
527	}
528	}
529
530	// register setting fields
531	if ( ! empty( $setting['fields'] ) ) {
532	foreach ( $setting['fields'] as $field_key => $field ) {
533	// skip unwanted fields
534	if ( ! empty( $field['tab'] ) && $field['tab'] !== $setting_id )
535	continue;
536
537	// set field ID
538	$field_id = implode( '_', [ $this->prefix, $setting_id, $field_key ] );
539
540	// skip rendering this field?
541	if ( ! empty( $field['skip_rendering'] ) )
542	continue;
543
544	// prepare field args
545	$args = array_merge( $this->prepare_field_args( $field, $field_id, $field_key, $setting_id, $option_name ), $field );
546	$args['setting_id'] = $setting_id;
547	$class = sanitize_html_class( str_replace( '_', '-', $field_id ) );
548	$classes = [ $class ];
549
550	if ( ! empty( $args['class'] ) ) {
551	$extra_classes = preg_split( '/\s+/', trim( $args['class'] ) );
552	$extra_classes = array_filter( $extra_classes );
553	$extra_classes = array_map( 'sanitize_html_class', $extra_classes );
554	$classes = array_merge( $classes, $extra_classes );
555	}
556
557	$classes = array_values( array_unique( array_filter( $classes ) ) );
558
559	$field_class = implode( ' ', $classes );
560	$wrapper_class = $class !== '' ? $class . '-row' : '';
561
562	// preserve user classes in wrapper
563	if ( ! empty( $field['class'] ) ) {
564	$wrapper_class .= ' ' . $field['class'];
565	}
566
567	$args['class'] = $wrapper_class;
568	$args['field_class'] = $field_class;
569	$args['css_id'] = $class;
570
571	add_settings_field(
572	$field_id,
573	! empty( $field['title'] ) ? esc_html( $field['title'] ) : '',
574	[ $this, 'render_field' ],
575	$option_name,
576	! empty( $field['section'] ) ? esc_attr( $field['section'] ) : '',
577	$args
578	);
579	}
580	}
581	}
582
583	/**
584	* Prepare field arguments.
585	*
586	* @param array $args
587	* @return array
588	*/
589	public function prepare_field_args( $field, $field_id, $field_key, $setting_id, $setting_name ) {
590	// get field type
591	$field_type = ! empty( $field['type'] ) ? $field['type'] : '';
592
593	// default lookup path
594	$value = null;
595	$default = null;
596	$setting_defaults = $this->get_setting_defaults( $setting_id );
597	$name = $setting_name . '[' . $field_key . ']';
598
599	// check for parent
600	if ( ! empty( $field['parent'] ) ) {
601	$name = $setting_name . '[' . $field['parent'] . '][' . $field_key . ']';
602
603	// try with setting_id first
604	if ( isset( $this->object->options[$setting_id][$field['parent']][$field_key] ) ) {
605	$value = $this->object->options[$setting_id][$field['parent']][$field_key];
606	} elseif ( isset( $this->object->options[$field['parent']][$field_key] ) ) {
607	// try without setting_id
608	$value = $this->object->options[$field['parent']][$field_key];
609	}
610
611	// defaults
612	if ( isset( $setting_defaults[$field['parent']][$field_key] ) ) {
613	$default = $setting_defaults[$field['parent']][$field_key];
614	} elseif ( isset( $this->object->defaults[$field['parent']][$field_key] ) ) {
615	$default = $this->object->defaults[$field['parent']][$field_key];
616	}
617	} else {
618	// nested?
619	if ( $this->nested ) {
620	$name = $setting_name . '[' . $setting_id . '][' . $field_key . ']';
621
622	if ( isset( $this->object->options[$setting_id][$field_key] ) )
623	$value = $this->object->options[$setting_id][$field_key];
624
625	if ( isset( $setting_defaults[$field_key] ) )
626	$default = $setting_defaults[$field_key];
627	} else {
628	// flat
629	if ( isset( $this->object->options[$setting_id][$field_key] ) ) {
630	$value = $this->object->options[$setting_id][$field_key];
631	} elseif ( isset( $this->object->options[$field_key] ) ) {
632	$value = $this->object->options[$field_key];
633	}
634
635	// defaults
636	if ( isset( $setting_defaults[$field_key] ) ) {
637	$default = $setting_defaults[$field_key];
638	} elseif ( isset( $this->object->defaults[$field_key] ) ) {
639	$default = $this->object->defaults[$field_key];
640	}
641	}
642	}
643
644	if ( $field_type === 'custom' ) {
645	$value = null;
646	$default = null;
647	}
648
649	return [
650	'id' => $field_id,
651	'html_id' => sanitize_html_class( str_replace( '_', '-', $field_id ) ),
652	'name' => $name,
653	'class' => ! empty( $field['class'] ) ? $field['class'] : '',
654	'type' => $field_type,
655	'label' => ! empty( $field['label'] ) ? $field['label'] : '',
656	'description' => ! empty( $field['description'] ) ? $field['description'] : '',
657	'text' => ! empty( $field['text'] ) ? $field['text'] : '',
658	'min' => ! empty( $field['min'] ) ? (int) $field['min'] : 0,
659	'max' => ! empty( $field['max'] ) ? (int) $field['max'] : 0,
660	'options' => ! empty( $field['options'] ) ? $field['options'] : [],
661	'callback' => ! empty( $field['callback'] ) ? $field['callback'] : null,
662	'validate' => ! empty( $field['validate'] ) ? $field['validate'] : null,
663	'callback_args' => ! empty( $field['callback_args'] ) ? $field['callback_args'] : [],
664	'default' => $default,
665	'value' => $value,
666	'setting_id' => $setting_id,
667	'animation' => ! empty( $field['animation'] ) ? $field['animation'] : '',
668	'logic' => ! empty( $field['logic'] ) ? $field['logic'] : null,
669	'fallback_option' => ! empty( $field['fallback_option'] ) ? sanitize_key( $field['fallback_option'] ) : '',
670	'rows' => ! empty( $field['rows'] ) ? (int) $field['rows'] : 6,
671	'cols' => ! empty( $field['cols'] ) ? (int) $field['cols'] : 50
672	/*
673	after_field
674	before_field
675	*/
676	];
677	}
678
679	/**
680	* Render settings field.
681	*
682	* @param array $args
683	* @return void\|string
684	*/
685	public function render_field( $args ) {
686	if ( empty( $args ) \|\| ! is_array( $args ) )
687	return;
688
689	// build wrapper classes
690	$wrapper_classes = [ $this->prefix . '-field', $this->prefix . '-field-type-' . $args['type'] ];
691	if ( ! empty( $args['class'] ) )
692	$wrapper_classes[] = $args['class'];
693
694	// add disabled class if field is disabled (but not if feature is available)
695	if ( ! empty( $args['disabled'] ) && $args['disabled'] === true && empty( $args['available'] ) )
696	$wrapper_classes[] = $this->prefix . '-disabled';
697
698	// build wrapper attributes
699	$wrapper_attrs = ' id="' . esc_attr( str_replace( '_', '-', $args['id'] ) ) . '-setting" class="' . esc_attr( implode( ' ', $wrapper_classes ) ) . '"';
700
701	// add conditional data attributes
702	$data_attrs = '';
703	$conditions = [];
704	$fallback_option = ! empty( $args['fallback_option'] ) ? $args['fallback_option'] : '';
705
706	if ( ! empty( $args['logic'] ) && is_array( $args['logic'] ) ) {
707	if ( isset( $args['logic']['field'] ) ) {
708	$conditions = [ $args['logic'] ];
709	} else {
710	$conditions = $args['logic'];
711	}
712	}
713
714	if ( ! empty( $conditions ) ) {
715	$data_attr_prefix = sanitize_html_class( $this->prefix );
716	$normalized_conditions = [];
717
718	foreach ( $conditions as $condition ) {
719	if ( empty( $condition['field'] ) \|\| empty( $condition['operator'] ) ) {
720	continue;
721	}
722
723	$field = $condition['field'];
724
725	if ( strpos( $field, '-' ) === false && ! empty( $args['setting_id'] ) ) {
726	$field_id = implode( '_', [ $this->prefix, $args['setting_id'], $field ] );
727	$field = sanitize_html_class( str_replace( '_', '-', $field_id ) );
728	}
729
730	$normalized_conditions[] = [
731	'field' => $field,
732	'operator' => $condition['operator'],
733	'value' => isset( $condition['value'] ) ? $condition['value'] : '',
734	'scope' => ! empty( $condition['scope'] ) ? sanitize_key( $condition['scope'] ) : '',
735	'action' => ! empty( $condition['action'] ) ? sanitize_key( $condition['action'] ) : '',
736	'target' => ! empty( $condition['target'] ) ? sanitize_text_field( $condition['target'] ) : '',
737	'container' => ! empty( $condition['container'] ) ? sanitize_text_field( $condition['container'] ) : '',
738	];
739	}
740
741	if ( ! empty( $normalized_conditions ) && $data_attr_prefix !== '' ) {
742	if ( ! empty( $args['animation'] ) && in_array( $args['animation'], [ 'fade', 'slide' ], true ) ) {
743	$data_attrs .= ' data-' . $data_attr_prefix . '-animation="' . esc_attr( $args['animation'] ) . '"';
744	}
745	$data_attrs .= ' data-' . $data_attr_prefix . '-logic="' . esc_attr( wp_json_encode( $normalized_conditions ) ) . '"';
746	}
747	}
748
749	if ( $fallback_option !== '' ) {
750	$data_attrs .= ' data-' . $this->prefix . '-fallback-option="' . esc_attr( $fallback_option ) . '"';
751	}
752
753	$wrapper_attrs .= $data_attrs;
754
755	$html = '<div' . $wrapper_attrs . '>';
756
757	if ( ! empty ( $args['before_field'] ) )
758	$html .= $args['before_field'];
759
760	switch ( $args['type'] ) {
761	case 'boolean':
762	if ( empty( $args['disabled'] ) )
763	$html .= '<input type="hidden" name="' . esc_attr( $args['name'] ) . '" value="false" />';
764
765	$html .= '<label><input id="' . esc_attr( $args['html_id'] ) . '" type="checkbox" role="switch" name="' . esc_attr( $args['name'] ) . '" value="true" ' . checked( (bool) $args['value'], true, false ) . ' ' . disabled( empty( $args['disabled'] ), false, false ) . ' />' . wp_kses_post( $args['label'] ) . '</label>';
766	break;
767
768	case 'radio':
769	if ( empty( $args['options'] ) \|\| ! is_array( $args['options'] ) )
770	break;
771
772	$display_type = ! empty( $args['display_type'] ) && in_array( $args['display_type'], [ 'horizontal', 'vertical' ], true ) ? $args['display_type'] : 'vertical';
773
774	if ( count( $args['options'] ) > 1 )
775	$html .= '<div class="' . esc_attr( $this->prefix ) . '-field-group ' . esc_attr( $this->prefix ) . '-radio-group ' . $display_type . '">';
776	foreach ( $args['options'] as $key => $name ) {
777	$is_disabled = ! empty( $args['disabled'] ) && ( is_array( $args['disabled'] ) && in_array( $key, $args['disabled'], true ) \|\| $args['disabled'] === true );
778	$label_classes = [];
779
780	if ( $is_disabled && is_array( $args['disabled'] ) )
781	$label_classes[] = $this->prefix . '-disabled';
782
783	// add disabled-state class for disabled options in extended fields
784	if ( $is_disabled && ! empty( $args['class'] ) && strpos( $args['class'], 'pvc-pro-extended' ) !== false ) {
785	$label_classes[] = $this->prefix . '-pro';
786	}
787
788	$label_class = ! empty( $label_classes ) ? ' class="' . implode( ' ', $label_classes ) . '"' : '';
789
790	$display_name = esc_html( $name );
791
792	$html .= '<label for="' . esc_attr( $args['html_id'] . '-' . $key ) . '"' . $label_class . '><input id="' . esc_attr( $args['html_id'] . '-' . $key ) . '" type="radio" name="' . esc_attr( $args['name'] ) . '" value="' . esc_attr( $key ) . '" ' . checked( $key, $args['value'], false ) . ' ' . disabled( $is_disabled, true, false ) . ' />' . $display_name . '</label> ';
793	}
794	if ( count( $args['options'] ) > 1 )
795	$html .= '</div>';
796	break;
797
798	case 'checkbox':
799	// possible "empty" value
800	if ( $args['value'] === 'empty' )
801	$args['value'] = [];
802
803	// ensure value is an array
804	if ( ! is_array( $args['value'] ) )
805	$args['value'] = [];
806
807	$display_type = ! empty( $args['display_type'] ) && in_array( $args['display_type'], [ 'horizontal', 'vertical' ], true ) ? $args['display_type'] : 'vertical';
808
809	$html .= '<input type="hidden" name="' . esc_attr( $args['name'] ) . '" value="empty" />';
810
811	if ( empty( $args['options'] ) \|\| ! is_array( $args['options'] ) )
812	break;
813	if ( count( $args['options'] ) > 1 )
814	$html .= '<div class="' . esc_attr( $this->prefix ) . '-field-group ' . esc_attr( $this->prefix ) . '-checkbox-group ' . $display_type . '">';
815	foreach ( $args['options'] as $key => $name ) {
816	$is_disabled = ! empty( $args['disabled'] ) && ( is_array( $args['disabled'] ) && in_array( $key, $args['disabled'], true ) \|\| $args['disabled'] === true );
817	$label_classes = [];
818
819	if ( $is_disabled && is_array( $args['disabled'] ) )
820	$label_classes[] = $this->prefix . '-disabled';
821
822	// add disabled-state styling for disabled options in extended fields
823	if ( $is_disabled && ! empty( $args['class'] ) && strpos( $args['class'], 'pvc-pro-extended' ) !== false )
824	$label_classes[] = $this->prefix . '-pro';
825
826	$label_class = ! empty( $label_classes ) ? ' class="' . implode( ' ', $label_classes ) . '"' : '';
827
828	$display_name = esc_html( $name );
829
830	$html .= '<label' . $label_class . '><input id="' . esc_attr( $args['html_id'] . '-' . $key ) . '" type="checkbox" name="' . esc_attr( $args['name'] ) . '[]" value="' . esc_attr( $key ) . '" ' . checked( in_array( $key, $args['value'] ), true, false ) . ' ' . disabled( $is_disabled, true, false ) . ' />' . $display_name . '</label>';
831	}
832	if ( count( $args['options'] ) > 1 )
833	$html .= '</div>';
834	break;
835
836	case 'select':
837	$html .= '<select id="' . esc_attr( $args['html_id'] ) . '" name="' . esc_attr( $args['name'] ) . '" ' . disabled( empty( $args['disabled'] ), false, false ) . '/>';
838
839	foreach ( $args['options'] as $key => $name ) {
840	$html .= '<option value="' . esc_attr( $key ) . '" ' . selected( $args['value'], $key, false ) . '>' . esc_html( $name ) . '</option>';
841	}
842
843	$html .= '</select>';
844	break;
845
846	case 'range':
847	$html .= '<input id="' . esc_attr( $args['html_id'] ) . '-slider" type="range" name="' . esc_attr( $args['name'] ) . '" value="' . esc_attr( $args['value'] ) . '" min="' . esc_attr( $args['min'] ) . '" max="' . esc_attr( $args['max'] ) . '" data-range-output="' . esc_attr( $args['html_id'] ) . '-output" /><output id="' . esc_attr( $args['html_id'] ) . '-output" class="' . esc_attr( $this->slug ) . '-range">' . ( (int) $args['value'] ) . '</output>';
848	break;
849
850	case 'number':
851	$html .= ( ! empty( $args['prepend'] ) ? wp_kses_post( $args['prepend'] ) : '' );
852	$html .= '<input id="' . esc_attr( $args['html_id'] ) . '" type="text" value="' . esc_attr( $args['value'] ) . '" name="' . esc_attr( $args['name'] ) . '" />';
853	$html .= ( ! empty( $args['append'] ) ? wp_kses_post( $args['append'] ) : '' );
854	break;
855
856	case 'color':
857	$color_value = esc_attr( $args['value'] );
858	$color_name = esc_attr( $args['name'] );
859	$input_id = esc_attr( $args['html_id'] );
860	$input_class = $this->prefix . '-color-input';
861
862	if ( ! empty( $args['subclass'] ) ) {
863	$input_class .= ' ' . esc_attr( $args['subclass'] );
864	}
865
866	$swatch_style = ' style="background-color: ' . $color_value . ';"';
867
868	$html .= '<div class="' . $this->prefix . '-color-control">';
869	// Text input for the hex color value.
870	$html .= '<input id="' . $input_id . '" type="text" name="' . $color_name . '" value="' . $color_value . '" class="' . $input_class . '" />';
871	// Swatch button to toggle the picker.
872	$html .= '<button type="button" class="' . $this->prefix . '-color-swatch"' . $swatch_style . ' aria-label="' . esc_attr__( 'Open color picker', $this->domain ) . '" aria-expanded="false"></button>';
873	// Vanilla-colorful picker (hidden by default).
874	$html .= '<div class="' . $this->prefix . '-color-popover" aria-hidden="true"><hex-color-picker class="' . $this->prefix . '-hex-color-picker" color="' . $color_value . '"></hex-color-picker></div>';
875	$html .= '</div>';
876	break;
877
878	case 'custom':
879	$html .= call_user_func( $args['callback'], $args );
880	break;
881
882	case 'textarea':
883	$empty_disabled = empty( $args['disabled'] );
884	$rows = max( 2, (int) $args['rows'] );
885	$cols = max( 20, (int) $args['cols'] );
886
887	$html .= '<textarea id="' . esc_attr( $args['html_id'] ) . '"' . ( ! empty( $args['subclass'] ) ? ' class="' . esc_attr( $args['subclass'] ) . '"' : '' ) . ' name="' . esc_attr( $args['name'] ) . '" rows="' . esc_attr( $rows ) . '" cols="' . esc_attr( $cols ) . '" ' . disabled( $empty_disabled, false, false ) . '>' . esc_textarea( $args['value'] ) . '</textarea>';
888	break;
889
890	case 'editor':
891	$rows = max( 2, (int) $args['rows'] );
892	$editor_settings = ! empty( $args['editor_settings'] ) && is_array( $args['editor_settings'] ) ? $args['editor_settings'] : [];
893	$editor_settings = array_merge(
894	[
895	'textarea_name' => $args['name'],
896	'textarea_rows' => $rows,
897	'teeny' => true,
898	'media_buttons' => false,
899	'tinymce' => true,
900	'quicktags' => true
901	],
902	$editor_settings
903	);
904
905	$html .= ! empty( $args['prepend'] ) ? wp_kses_post( $args['prepend'] ) : '';
906
907	ob_start();
908	wp_editor( (string) $args['value'], $args['html_id'], $editor_settings );
909	$html .= ob_get_clean();
910
911	$html .= ! empty( $args['append'] ) ? wp_kses_post( $args['append'] ) : '';
912	break;
913
914	case 'info':
915	$html .= '<span' . ( ! empty( $args['subclass'] ) ? ' class="' . esc_attr( $args['subclass'] ) . '"' : '' ) . '>' . esc_html( $args['text'] ) . '</span>';
916	break;
917
918	case 'class':
919	case 'input':
920	default:
921	$empty_disabled = empty( $args['disabled'] );
922
923	$html .= ( ! empty( $args['prepend'] ) ? wp_kses_post( $args['prepend'] ) : '' );
924	$html .= '<input id="' . esc_attr( $args['html_id'] ) . '"' . ( ! empty( $args['subclass'] ) ? ' class="' . esc_attr( $args['subclass'] ) . '"' : '' ) . ' type="text" value="' . esc_attr( $args['value'] ) . '" name="' . esc_attr( $args['name'] ) . '" ' . disabled( $empty_disabled, false, false ) . '/>';
925	$html .= ( ! empty( $args['append'] ) ? wp_kses_post( $args['append'] ) : '' );
926
927	if ( ! $empty_disabled )
928	$html .= '<input' . ( $empty_disabled ? '' : ' class="hidden"' ) . ' type="text" value="' . esc_attr( $args['value'] ) . '" name="' . esc_attr( $args['name'] ) . '">';
929	}
930
931	if ( ! empty ( $args['after_field'] ) )
932	$html .= $args['after_field'];
933
934	if ( ! empty ( $args['description'] ) )
935	$html .= '<p class="description">' . $args['description'] . '</p>';
936
937	$html .= '</div>';
938
939	if ( ! empty( $args['return'] ) )
940	return $html;
941	else
942	echo $html;
943	}
944
945	/**
946	* Validate settings field.
947	*
948	* @param mixed $value
949	* @param string $type
950	* @param array $args
951	* @return mixed
952	*/
953	public function validate_field( $value = null, $type = '', $args = [] ) {
954	if ( is_null( $value ) )
955	return null;
956
957	switch ( $type ) {
958	case 'boolean':
959	// possible value: 'true' or 'false'
960	$value = ( $value === 'true' \|\| $value === true );
961	break;
962
963	case 'radio':
964	$value = is_array( $value ) ? $args['default'] : sanitize_key( $value );
965
966	// disallow disabled radios
967	if ( ! empty( $args['disabled'] ) && in_array( $value, $args['disabled'], true ) )
968	$value = $args['default'];
969	break;
970
971	case 'checkbox':
972	// possible value: 'empty' or array
973	if ( $value === 'empty' )
974	$value = [];
975	else {
976	if ( is_array( $value ) && ! empty( $value ) ) {
977	$value = array_map( 'sanitize_key', $value );
978	$values = [];
979
980	foreach ( $value as $single_value ) {
981	if ( array_key_exists( $single_value, $args['options'] ) )
982	$values[] = $single_value;
983	}
984
985	$value = $values;
986	} else
987	$value = [];
988	}
989	break;
990
991	case 'number':
992	$value = (int) $value;
993
994	// is value lower than?
995	if ( isset( $args['min'] ) && $value < $args['min'] )
996	$value = $args['min'];
997
998	// is value greater than?
999	if ( isset( $args['max'] ) && $value > $args['max'] )
1000	$value = $args['max'];
1001	break;
1002
1003	case 'color':
1004	$value = sanitize_text_field( $value );
1005	if ( ! preg_match( '/^#[a-f0-9]{3,6}$/i', $value ) ) {
1006	$value = $args['default'] ?? '#000000';
1007	}
1008	break;
1009
1010	case 'info':
1011	$value = '';
1012	break;
1013
1014	case 'custom':
1015	// do nothing
1016	break;
1017
1018	case 'textarea':
1019	$value = is_array( $value ) ? implode( "\n", array_map( 'sanitize_textarea_field', $value ) ) : sanitize_textarea_field( $value );
1020	break;
1021
1022	case 'editor':
1023	$value = is_array( $value ) ? '' : wp_kses_post( $value );
1024	break;
1025
1026	case 'class':
1027	$value = trim( $value );
1028
1029	// more than 1 class?
1030	if ( strpos( $value, ' ' ) !== false ) {
1031	// get unique valid HTML classes
1032	$value = array_unique( array_filter( array_map( 'sanitize_html_class', explode( ' ', $value ) ) ) );
1033
1034	if ( ! empty( $value ) )
1035	$value = implode( ' ', $value );
1036	else
1037	$value = '';
1038	// single class
1039	} else
1040	$value = sanitize_html_class( $value, $args['default'] );
1041	break;
1042
1043	case 'input':
1044	case 'select':
1045	default:
1046	$value = is_array( $value ) ? array_map( 'sanitize_text_field', $value ) : sanitize_text_field( $value );
1047	break;
1048	}
1049
1050	return stripslashes_deep( $value );
1051	}
1052
1053	/**
1054	* Validate settings.
1055	*
1056	* @param array $input
1057	* @return array
1058	*/
1059	public function validate_settings( $input ) {
1060	// check capability
1061	$capability = apply_filters( 'pvc_settings_capability', 'manage_options' );
1062
1063	if ( ! current_user_can( $capability ) )
1064	return $input;
1065
1066	// check option page
1067	if ( empty( $_POST['option_page'] ) )
1068	return $input;
1069
1070	// try to get setting name and ID
1071	foreach ( $this->settings as $id => $setting ) {
1072	// tabs?
1073	if ( is_array( $setting['option_name'] ) ) {
1074	foreach ( $setting['option_name'] as $tab => $option_name ) {
1075	// found valid setting?
1076	if ( $option_name === $_POST['option_page'] ) {
1077	// assign setting ID
1078	$setting_id = $tab;
1079
1080	// assign setting name
1081	$setting_name = $option_name;
1082
1083	// assign setting key
1084	$setting_key = $id;
1085
1086	// already found setting, no need to check the rest
1087	break 2;
1088	}
1089	}
1090	} else {
1091	// found valid setting?
1092	if ( $setting['option_name'] === $_POST['option_page'] ) {
1093	// assign setting ID and key
1094	$setting_key = $setting_id = $id;
1095
1096	// assign setting name
1097	$setting_name = $setting['option_name'];
1098
1099	// already found setting, no need to check the rest
1100	break;
1101	}
1102	}
1103	}
1104
1105	// check setting id, no need to check $setting_name since it was at the same stage
1106	if ( empty( $setting_id ) )
1107	return $input;
1108
1109	$is_update_request = isset( $_POST['action'] ) && sanitize_key( wp_unslash( $_POST['action'] ) ) === 'update';
1110	$has_custom_submit_action = isset( $_POST['post_views_counter_import_views'] )
1111	\|\| isset( $_POST['post_views_counter_analyse_views'] )
1112	\|\| isset( $_POST['post_views_counter_reset_views'] );
1113
1114	// save settings
1115	if ( isset( $_POST['save_' . $setting_name] ) \|\| ( $is_update_request && ! $has_custom_submit_action && ! isset( $_POST['reset_' . $setting_name] ) ) ) {
1116	$input = $this->validate_input_settings( $setting_id, $setting_key, $input );
1117
1118	add_settings_error( $setting_name, 'settings_saved', __( 'Settings saved.', $this->domain ), 'updated' );
1119	// reset settings
1120	} elseif ( isset( $_POST['reset_' . $setting_name] ) ) {
1121	// get default values
1122	$input = $this->get_setting_defaults( $setting_id );
1123
1124	// check custom reset functions
1125	if ( ! empty( $this->settings[$setting_key]['fields'] ) ) {
1126	foreach ( $this->settings[$setting_key]['fields'] as $field_id => $field ) {
1127	// skip invalid tab field if any
1128	if ( ! empty( $field['tab'] ) && $field['tab'] !== $setting_id )
1129	continue;
1130
1131	// custom reset function?
1132	if ( ! empty( $field['reset'] ) ) {
1133	// valid function? no need to check "else" since all default values are already set
1134	if ( $this->callback_function_exists( $field['reset'] ) ) {
1135	if ( $field['type'] === 'custom' )
1136	$input = call_user_func( $field['reset'], $input, $field );
1137	else
1138	$input[$field_id] = call_user_func( $field['reset'], $input[$field_id], $field );
1139	}
1140	}
1141	}
1142	}
1143
1144	add_settings_error( $setting_name, 'settings_restored', __( 'Settings restored to defaults.', $this->domain ), 'updated' );
1145	}
1146
1147	do_action( $this->prefix . '_configuration_updated', 'settings', $input );
1148
1149	return $input;
1150	}
1151
1152	/**
1153	* Validate input settings.
1154	*
1155	* @param string $setting_id
1156	* @param array $input
1157	* @return array
1158	*/
1159	public function validate_input_settings( $setting_id, $setting_key, $input ) {
1160	$setting_defaults = $this->get_setting_defaults( $setting_id );
1161	$current_settings = $this->get_current_setting_values( $setting_id, $setting_key );
1162
1163	if ( ! empty( $this->settings[$setting_key]['fields'] ) ) {
1164	foreach ( $this->settings[$setting_key]['fields'] as $field_id => $field ) {
1165	// skip saving this field?
1166	if ( ! empty( $field['skip_saving'] ) ) {
1167	if ( array_key_exists( $field_id, $current_settings ) )
1168	$input[$field_id] = $current_settings[$field_id];
1169	else
1170	unset( $input[$field_id] );
1171
1172	continue;
1173	}
1174
1175	// skip invalid tab field if any
1176	if ( ! empty( $field['tab'] ) && $field['tab'] !== $setting_id )
1177	continue;
1178
1179	// custom validate function?
1180	if ( ! empty( $field['validate'] ) ) {
1181	// valid function?
1182	if ( $this->callback_function_exists( $field['validate'] ) ) {
1183	if ( $field['type'] === 'custom' )
1184	$input = call_user_func( $field['validate'], $input, $field );
1185	else
1186	$input[$field_id] = isset( $input[$field_id] ) ? call_user_func( $field['validate'], $input[$field_id], $field ) : $setting_defaults[$field_id];
1187	} else
1188	$input[$field_id] = $setting_defaults[$field_id];
1189	} else {
1190	// field data?
1191	if ( isset( $input[$field_id] ) ) {
1192	// make sure default value is available
1193	if ( ! isset( $field['default'] ) )
1194	$field['default'] = $setting_defaults[$field_id];
1195
1196	$input[$field_id] = $this->validate_field( $input[$field_id], $field['type'], $field );
1197	} else
1198	$input[$field_id] = $setting_defaults[$field_id];
1199	}
1200
1201	// update input data
1202	$this->input_settings = $input;
1203
1204	// add this field as validated
1205	$this->validated_settings[] = $field_id;
1206	}
1207	}
1208
1209	return $input;
1210	}
1211
1212	/**
1213	* Get the currently stored values for a settings group.
1214	*
1215	* @param string $setting_id
1216	* @param string $setting_key
1217	* @return array
1218	*/
1219	private function get_current_setting_values( $setting_id, $setting_key ) {
1220	if ( empty( $this->settings[$setting_key]['option_name'] ) )
1221	return [];
1222
1223	$option_name = $this->settings[$setting_key]['option_name'];
1224
1225	if ( is_array( $option_name ) )
1226	$option_name = isset( $option_name[$setting_id] ) ? $option_name[$setting_id] : '';
1227
1228	if ( ! is_string( $option_name ) \|\| $option_name === '' )
1229	return [];
1230
1231	$current_values = get_option( $option_name, [] );
1232
1233	return is_array( $current_values ) ? $current_values : [];
1234	}
1235
1236	/**
1237	* Check whether callback is a valid function.
1238	*
1239	* @param string\|array $callback
1240	* @return bool
1241	*/
1242	public function callback_function_exists( $callback ) {
1243	// function as array?
1244	if ( is_array( $callback ) ) {
1245	list( $object, $function ) = $callback;
1246
1247	// check function existence
1248	$function_exists = method_exists( $object, $function );
1249	// function as string?
1250	} elseif ( is_string( $callback ) ) {
1251	// check function existence
1252	$function_exists = function_exists( $callback );
1253	} else
1254	$function_exists = false;
1255
1256	return $function_exists;
1257	}
1258
1259	/**
1260	* Get value based on minimum and maximum.
1261	*
1262	* @param array $data
1263	* @param string $setting_name
1264	* @param int $default
1265	* @param int $min
1266	* @param int $max
1267	* @return void
1268	*/
1269	public function get_int_value( $data, $setting_name, $default, $min, $max ) {
1270	// check existence of value
1271	$value = array_key_exists( $setting_name, $data ) ? (int) $data[$setting_name] : $default;
1272
1273	if ( $value > $max \|\| $value < $min )
1274	$value = $default;
1275
1276	return $value;
1277	}
1278	}
1279