Completed
Pull Request — master (#1451)
by Aristeides
05:07 queued 02:20
created

Kirki_Field::set_section()   A

Complexity

Conditions 1
Paths 1

Size

Total Lines 5
Code Lines 2

Duplication

Lines 0
Ratio 0 %

Importance

Changes 0
Metric Value
cc 1
eloc 2
nc 1
nop 0
dl 0
loc 5
rs 9.4285
c 0
b 0
f 0
1
<?php
2
/**
3
 * Creates and validates field parameters.
4
 *
5
 * @package     Kirki
6
 * @category    Core
7
 * @author      Aristeides Stathopoulos
8
 * @copyright   Copyright (c) 2017, Aristeides Stathopoulos
9
 * @license     http://opensource.org/licenses/https://opensource.org/licenses/MIT
10
 * @since       1.0
11
 */
12
13
/**
14
 * Please do not use this class directly.
15
 * You should instead extend it per-field-type.
16
 */
17
class Kirki_Field {
18
19
	/**
20
	 * The ID of the kirki_config we're using.
21
	 *
22
	 * @see Kirki_Config
23
	 * @access protected
24
	 * @var string
25
	 */
26
	protected $kirki_config = 'global';
27
28
	/**
29
	 * Thje capability required so that users can edit this field.
30
	 *
31
	 * @access protected
32
	 * @var string
33
	 */
34
	protected $capability = 'edit_theme_options';
35
36
	/**
37
	 * If we're using options instead of theme_mods
38
	 * and we want them serialized, this is the option that
39
	 * will saved in the db.
40
	 *
41
	 * @access protected
42
	 * @var string
43
	 */
44
	protected $option_name = '';
45
46
	/**
47
	 * Custom input attributes (defined as an array).
48
	 *
49
	 * @access protected
50
	 * @var array
51
	 */
52
	protected $input_attrs = array();
53
54
	/**
55
	 * Use "theme_mod" or "option".
56
	 *
57
	 * @access protected
58
	 * @var string
59
	 */
60
	protected $option_type = 'theme_mod';
61
62
	/**
63
	 * The name of this setting (id for the db).
64
	 *
65
	 * @access protected
66
	 * @var string|array
67
	 */
68
	protected $settings = '';
69
70
	/**
71
	 * Set to true if you want to disable all CSS output for this field.
72
	 *
73
	 * @access protected
74
	 * @var bool
75
	 */
76
	protected $disable_output = false;
77
78
	/**
79
	 * The field type.
80
	 *
81
	 * @access protected
82
	 * @var string
83
	 */
84
	protected $type = 'kirki-generic';
85
86
	/**
87
	 * Some fields require options to be set.
88
	 * We're whitelisting the property here
89
	 * and suggest you validate this in a child class.
90
	 *
91
	 * @access protected
92
	 * @var array
93
	 */
94
	protected $choices = array();
95
96
	/**
97
	 * Assign this field to a section.
98
	 * Fields not assigned to a section will not be displayed in the customizer.
99
	 *
100
	 * @access protected
101
	 * @var string
102
	 */
103
	protected $section = '';
104
105
	/**
106
	 * The default value for this field.
107
	 *
108
	 * @access protected
109
	 * @var string|array
110
	 */
111
	protected $default = '';
112
113
	/**
114
	 * Priority determines the position of a control inside a section.
115
	 * Lower priority numbers move the control to the top.
116
	 *
117
	 * @access protected
118
	 * @var int
119
	 */
120
	protected $priority = 10;
121
122
	/**
123
	 * Unique ID for this field.
124
	 * This is auto-calculated from the $settings argument.
125
	 *
126
	 * @access protected
127
	 * @var string
128
	 */
129
	protected $id = '';
130
131
	/**
132
	 * Use if you want to automatically generate CSS from this field's value.
133
	 *
134
	 * @see https://kirki.org/docs/arguments/output
135
	 * @access protected
136
	 * @var array
137
	 */
138
	protected $output = array();
139
140
	/**
141
	 * Use to automatically generate postMessage scripts.
142
	 * Not necessary to use if you use 'transport' => 'auto'
143
	 * and have already set an array for the 'output' argument.
144
	 *
145
	 * @see https://kirki.org/docs/arguments/js_vars
146
	 * @access protected
147
	 * @var array
148
	 */
149
	protected $js_vars = array();
150
151
	/**
152
	 * If you want to use a CSS compiler, then use this to set the variable names.
153
	 *
154
	 * @see https://kirki.org/docs/arguments/variables
155
	 * @access protected
156
	 * @var array
157
	 */
158
	protected $variables = array();
159
160
	/**
161
	 * Text that will be used in a tooltip to provide extra info for this field.
162
	 *
163
	 * @access protected
164
	 * @var string
165
	 */
166
	protected $tooltip = '';
167
168
	/**
169
	 * Whitelisting for backwards-compatibility.
170
	 *
171
	 * @access protected
172
	 * @var string
173
	 */
174
	protected $help = '';
175
176
	/**
177
	 * A custom callback to determine if the field should be visible or not.
178
	 *
179
	 * @access protected
180
	 * @var string|array
181
	 */
182
	protected $active_callback = '__return_true';
183
184
	/**
185
	 * A custom sanitize callback that will be used to properly save the values.
186
	 *
187
	 * @access protected
188
	 * @var string|array
189
	 */
190
	protected $sanitize_callback = '';
191
192
	/**
193
	 * Use 'refresh', 'postMessage' or 'auto'.
194
	 * 'auto' will automatically geberate any 'js_vars' from the 'output' argument.
195
	 *
196
	 * @access protected
197
	 * @var string
198
	 */
199
	protected $transport = 'refresh';
200
201
	/**
202
	 * Define dependencies to show/hide this field based on the values of other fields.
203
	 *
204
	 * @access protected
205
	 * @var array
206
	 */
207
	protected $required = array();
208
209
	/**
210
	 * Suggested width for cropped image.
211
	 *
212
	 * @access protected
213
	 * @var int
214
	 */
215
	protected $width = 150;
216
217
	/**
218
	 * Suggested height for cropped image.
219
	 *
220
	 * @access protected
221
	 * @var int
222
	 */
223
	protected $height = 150;
224
225
	/**
226
	 * Whether the width is flexible for cropped image.
227
	 *
228
	 * @access protected
229
	 * @var bool
230
	 */
231
	protected $flex_width = false;
232
233
	/**
234
	 * Whether the height is flexible for cropped image.
235
	 *
236
	 * @access protected
237
	 * @var bool
238
	 */
239
	protected $flex_height = false;
240
241
	/**
242
	 * Contain the settings for the repeater rows labels
243
	 *
244
	 * @access protected
245
	 * @var array
246
	 */
247
	protected $row_label = array();
248
249
	/**
250
	 * Partial Refreshes array.
251
	 *
252
	 * @access protected
253
	 * @var array
254
	 */
255
	protected $partial_refresh = array();
256
257
	/**
258
	 * Use only on image, cropped_image, upload controls.
259
	 * Limit the Media library to a specific mime type
260
	 *
261
	 * @access protected
262
	 * @var array
263
	 */
264
	protected $mime_type = '';
265
266
	/**
267
	 * Used by image fields.
268
	 *
269
	 * @access protected
270
	 * @var array
271
	 * @since 3.0.0
272
	 */
273
	protected $button_labels = array();
274
275
	/**
276
	 * Use only on select controls.
277
	 * Defines if this is a multi-select or not.
278
	 * If value is > 1, then the maximum number of selectable options
279
	 * is the number defined here.
280
	 *
281
	 * @access protected
282
	 * @var integer
283
	 */
284
	protected $multiple = 1;
285
286
	/**
287
	 * Allows fields to be collapsible.
288
	 *
289
	 * @access protected
290
	 * @since 3.0.0
291
	 * @var bool
292
	 */
293
	protected $collapsible = false;
294
295
	/**
296
	 * The class constructor.
297
	 * Parses and sanitizes all field arguments.
298
	 * Then it adds the field to Kirki::$fields.
299
	 *
300
	 * @access public
301
	 * @param string $config_id    The ID of the config we want to use.
302
	 *                             Defaults to "global".
303
	 *                             Configs are handled by the Kirki_Config class.
304
	 * @param array  $args         The arguments of the field.
305
	 */
306
	public function __construct( $config_id = 'global', $args = array() ) {
307
308
		if ( isset( $args['setting'] ) && ! empty( $args['setting'] ) && ( ! isset( $args['settings'] ) || empty( $args['settings'] ) ) ) {
309
			$args['settings'] = $args['setting'];
310
			unset( $args['setting'] );
311
			error_log( 'Kirki: Typo found in field ' . $args['settings'] . ' ("setting" instead of "settings").' );
312
		}
313
314
		// In case the user only provides 1 argument,
315
		// assume that the provided argument is $args and set $config_id = 'global'.
316
		if ( is_array( $config_id ) && empty( $args ) ) {
317
			$args = $config_id;
318
			$config_id = 'global';
319
		}
320
321
		$args['kirki_config'] = $config_id;
322
323
		$this->kirki_config = ( '' === $config_id ) ? 'global' : trim( esc_attr( $config_id ) );
324
325
		// Get defaults from the class.
326
		$defaults = get_class_vars( __CLASS__ );
327
328
		// Get the config arguments, and merge them with the defaults.
329
		$config_defaults = ( isset( Kirki::$config['global'] ) ) ? Kirki::$config['global'] : array();
330
		if ( 'global' !== $this->kirki_config && isset( Kirki::$config[ $this->kirki_config ] ) ) {
331
			$config_defaults = Kirki::$config[ $this->kirki_config ];
332
		}
333
		$config_defaults = ( is_array( $config_defaults ) ) ? $config_defaults : array();
334
		foreach ( $config_defaults as $key => $value ) {
335
			if ( isset( $defaults[ $key ] ) && ! empty( $value ) && $value != $defaults[ $key ] ) {
336
				$defaults[ $key ] = $value;
337
			}
338
		}
339
340
		// Merge our args with the defaults.
341
		$args = wp_parse_args( $args, $defaults );
342
343
		// Set the class properties using the parsed args.
344
		foreach ( $args as $key => $value ) {
345
			$this->$key = $value;
346
		}
347
348
		// An array of whitelisted properties that don't need to be sanitized here.
349
		// Format: $key => $default_value.
350
		$whitelisted = apply_filters( "kirki/{$this->kirki_config}/fields/properties_whitelist", array(
351
			'label'       => '', // This is sanitized later in the controls themselves.
352
			'description' => '', // This is sanitized later in the controls themselves.
353
			'mode'        => '', // Only used for backwards-compatibility reasons.
354
			'fields'      => array(), // Used in repeater fields.
355
			'row_label'   => array(), // Used in repeater fields.
356
		) );
357
358
		$this->set_field( $whitelisted );
359
360
	}
361
362
	/**
363
	 * Processes the field arguments
364
	 *
365
	 * @param array $whitelisted_properties Defines an array of arguments that will skip validation at this point.
366
	 */
367
	protected function set_field( $whitelisted_properties = array() ) {
368
369
		$properties = get_class_vars( __CLASS__ );
370
		// Remove any whitelisted properties from above.
371
		// These will get a free pass, completely unfiltered.
372
		foreach ( $whitelisted_properties as $key => $default_value ) {
373
			if ( isset( $properties[ $key ] ) ) {
374
				unset( $properties[ $key ] );
375
			}
376
		}
377
378
		// Some things must run before the others.
379
		$priorities = array(
380
			'option_name',
381
			'option_type',
382
			'settings',
383
		);
384
385
		foreach ( $priorities as $priority ) {
386
			if ( method_exists( $this, 'set_' . $priority ) ) {
387
				$method_name = 'set_' . $priority;
388
				$this->$method_name();
389
			}
390
		}
391
392
		// Sanitize the properties, skipping the ones run from the $priorities.
393
		foreach ( $properties as $property => $value ) {
394
			if ( in_array( $property, $priorities, true ) ) {
395
				continue;
396
			}
397
			if ( method_exists( $this, 'set_' . $property ) ) {
398
				$method_name = 'set_' . $property;
399
				$this->$method_name();
400
			}
401
		}
402
403
		// Get all arguments with their values.
404
		$args = get_object_vars( $this );
405
		foreach ( $args as $key => $default_value ) {
406
			$args[ $key ] = $this->$key;
407
		}
408
409
		// Add the whitelisted properties through the back door.
410
		foreach ( $whitelisted_properties as $key => $default_value ) {
411
			if ( ! isset( $this->$key ) ) {
412
				$this->$key = $default_value;
413
			}
414
			$args[ $key ] = $this->$key;
415
		}
416
417
		// Add the field to the static $fields variable properly indexed.
418
		Kirki::$fields[ $this->settings ] = $args;
419
420
	}
421
422
	/**
423
	 * This allows us to process this on a field-basis
424
	 * by using sub-classes which can override this method.
425
	 *
426
	 * @access protected
427
	 */
428
	protected function set_default() {}
429
430
	/**
431
	 * Escape $kirki_config.
432
	 *
433
	 * @access protected
434
	 */
435
	protected function set_kirki_config() {
436
437
		$this->kirki_config = esc_attr( $this->kirki_config );
438
439
	}
440
441
	/**
442
	 * Escape $option_name.
443
	 *
444
	 * @access protected
445
	 */
446
	protected function set_option_name() {
447
448
		$this->option_name = esc_attr( $this->option_name );
449
450
	}
451
452
	/**
453
	 * Escape the $section.
454
	 *
455
	 * @access protected
456
	 */
457
	protected function set_section() {
458
459
		$this->section = sanitize_key( $this->section );
460
461
	}
462
463
	/**
464
	 * Escape the $section.
465
	 *
466
	 * @access protected
467
	 */
468
	protected function set_input_attrs() {
469
470
		if ( ! is_array( $this->input_attrs ) ) {
471
			$this->input_attrs = array();
472
		}
473
	}
474
475
	/**
476
	 * Checks the capability chosen is valid.
477
	 * If not, then falls back to 'edit_theme_options'
478
	 *
479
	 * @access protected
480
	 */
481
	protected function set_capability() {
482
483
		// Early exit if we're using 'edit_theme_options'.
484
		if ( 'edit_theme_options' === $this->capability ) {
485
			return;
486
		}
487
		// Escape & trim the capability.
488
		$this->capability = trim( esc_attr( $this->capability ) );
489
490
	}
491
492
	/**
493
	 * Make sure we're using the correct option_type
494
	 *
495
	 * @access protected
496
	 */
497
	protected function set_option_type() {
498
499
		// Take care of common typos.
500
		if ( 'options' === $this->option_type ) {
501
			$this->option_type = 'option';
502
		}
503
		// Take care of common typos.
504
		if ( 'theme_mods' === $this->option_type ) {
505
			$this->option_type = 'theme_mod';
506
		}
507
	}
508
509
	/**
510
	 * Modifications for partial refreshes.
511
	 *
512
	 * @access protected
513
	 */
514
	protected function set_partial_refresh() {
515
516
		if ( ! is_array( $this->partial_refresh ) ) {
517
			$this->partial_refresh = array();
518
		}
519
		foreach ( $this->partial_refresh as $id => $args ) {
520
			if ( ! is_array( $args ) || ! isset( $args['selector'] ) || ! isset( $args['render_callback'] ) || ! is_callable( $args['render_callback'] ) ) {
521
				unset( $this->partial_refresh[ $id ] );
522
				continue;
523
			}
524
		}
525
		if ( ! empty( $this->partial_refresh ) ) {
526
			$this->transport = 'postMessage';
527
		}
528
	}
529
530
	/**
531
	 * Sets the settings.
532
	 * If we're using serialized options it makes sure that settings are properly formatted.
533
	 * We'll also be escaping all setting names here for consistency.
534
	 *
535
	 * @access protected
536
	 */
537
	protected function set_settings() {
538
539
		// If settings is not an array, temporarily convert it to an array.
540
		// This is just to allow us to process everything the same way and avoid code duplication.
541
		// if settings is not an array then it will not be set as an array in the end.
542
		if ( ! is_array( $this->settings ) ) {
543
			$this->settings = array(
544
				'kirki_placeholder_setting' => $this->settings,
545
			);
546
		}
547
		$settings = array();
548
		foreach ( $this->settings as $setting_key => $setting_value ) {
549
			$settings[ sanitize_key( $setting_key ) ] = esc_attr( $setting_value );
550
			// If we're using serialized options then we need to spice this up.
551
			if ( 'option' === $this->option_type && '' !== $this->option_name && ( false === strpos( $setting_key, '[' ) ) ) {
552
				$settings[ sanitize_key( $setting_key ) ] = esc_attr( $this->option_name ) . '[' . esc_attr( $setting_value ) . ']';
553
			}
554
		}
555
		$this->settings = $settings;
556
		if ( isset( $this->settings['kirki_placeholder_setting'] ) ) {
557
			$this->settings = $this->settings['kirki_placeholder_setting'];
558
		}
559
560
	}
561
562
	/**
563
	 * Escapes the tooltip messages.
564
	 *
565
	 * @access protected
566
	 */
567
	protected function set_tooltip() {
568
569
		if ( '' !== $this->tooltip ) {
570
			$this->tooltip = wp_strip_all_tags( $this->tooltip );
571
			return;
572
		}
573
	}
574
575
	/**
576
	 * Sets the active_callback
577
	 * If we're using the $required argument,
578
	 * Then this is where the switch is made to our evaluation method.
579
	 *
580
	 * @access protected
581
	 */
582
	protected function set_active_callback() {
583
584
		if ( is_array( $this->active_callback ) && ! is_callable( $this->active_callback ) ) {
585
			if ( isset( $this->active_callback[0] ) ) {
586
				$this->required = $this->active_callback;
587
			}
588
		}
589
590
		if ( ! empty( $this->required ) ) {
591
			$this->active_callback = array( 'Kirki_Active_Callback', 'evaluate' );
592
			return;
593
		}
594
		// No need to proceed any further if we're using the default value.
595
		if ( '__return_true' === $this->active_callback ) {
596
			return;
597
		}
598
		// Make sure the function is callable, otherwise fallback to __return_true.
599
		if ( ! is_callable( $this->active_callback ) ) {
600
			$this->active_callback = '__return_true';
601
		}
602
	}
603
604
	/**
605
	 * Sets the control type.
606
	 *
607
	 * @access protected
608
	 */
609
	protected function set_type() {
610
611
		// Escape the control type (it doesn't hurt to be sure).
612
		$this->type = esc_attr( $this->type );
613
614
	}
615
616
	/**
617
	 * Sets the $id.
618
	 * Setting the ID should happen after the 'settings' sanitization.
619
	 * This way we can also properly handle cases where the option_type is set to 'option'
620
	 * and we're using an array instead of individual options.
621
	 *
622
	 * @access protected
623
	 */
624
	protected function set_id() {
625
626
		$this->id = sanitize_key( str_replace( '[', '-', str_replace( ']', '', $this->settings ) ) );
627
628
	}
629
630
	/**
631
	 * Sets the $sanitize_callback
632
	 *
633
	 * @access protected
634
	 */
635
	protected function set_sanitize_callback() {
636
637
		// If a custom sanitize_callback has been defined,
638
		// then we don't need to proceed any further.
639
		if ( ! empty( $this->sanitize_callback ) ) {
640
			return;
641
		}
642
643
		$default_callbacks = array(
644
			'kirki-multicheck'       => array( 'Kirki_Sanitize_Values', 'multicheck' ),
645
			'kirki-typography'       => array( 'Kirki_Sanitize_Values', 'typography' ),
646
		);
647
648
		if ( array_key_exists( $this->type, $default_callbacks ) ) {
649
			$this->sanitize_callback = $default_callbacks[ $this->type ];
650
		}
651
652
	}
653
654
	/**
655
	 * Sets the $choices.
656
	 *
657
	 * @access protected
658
	 */
659
	protected function set_choices() {
660
661
		if ( ! is_array( $this->choices ) ) {
662
			$this->choices = array();
663
		}
664
	}
665
666
	/**
667
	 * Escapes the $disable_output.
668
	 *
669
	 * @access protected
670
	 */
671
	protected function set_disable_output() {
672
673
		$this->disable_output = (bool) $this->disable_output;
674
675
	}
676
677
	/**
678
	 * Sets the $sanitize_callback
679
	 *
680
	 * @access protected
681
	 */
682
	protected function set_output() {
683
684
		if ( empty( $this->output ) ) {
685
			return;
686
		}
687
		if ( ! empty( $this->output ) && ! is_array( $this->output ) ) {
688
			$this->output = array(
689
				array(
690
					'element' => $this->output,
691
				),
692
			);
693
		}
694
		// Convert to array of arrays if needed.
695
		if ( isset( $this->output['element'] ) ) {
696
			$this->output = array( $this->output );
697
		}
698
		$outputs = array();
699
		foreach ( $this->output as $output ) {
700
			if ( ! isset( $output['element'] ) || ( ! isset( $output['property'] ) && ! in_array( $this->type, array( 'kirki-typography', 'kirki-background' ), true ) ) ) {
701
				continue;
702
			}
703
			if ( ! isset( $output['sanitize_callback'] ) && isset( $output['callback'] ) ) {
704
				$output['sanitize_callback'] = $output['callback'];
705
			}
706
			// Convert element arrays to strings.
707
			if ( is_array( $output['element'] ) ) {
708
				$output['element'] = array_unique( $output['element'] );
709
				sort( $output['element'] );
710
				$output['element'] = implode( ',', $output['element'] );
711
			}
712
			$outputs[] = array(
713
				'element'           => $output['element'],
714
				'property'          => ( isset( $output['property'] ) ) ? $output['property'] : '',
715
				'media_query'       => ( isset( $output['media_query'] ) ) ? $output['media_query'] : 'global',
716
				'sanitize_callback' => ( isset( $output['sanitize_callback'] ) ) ? $output['sanitize_callback'] : '',
717
				'units'             => ( isset( $output['units'] ) ) ? $output['units'] : '',
718
				'prefix'            => ( isset( $output['prefix'] ) ) ? $output['prefix'] : '',
719
				'suffix'            => ( isset( $output['suffix'] ) ) ? $output['suffix'] : '',
720
				'exclude'           => ( isset( $output['exclude'] ) ) ? $output['exclude'] : false,
721
			);
722
		}
723
	}
724
725
	/**
726
	 * Sets the $js_vars
727
	 *
728
	 * @access protected
729
	 */
730
	protected function set_js_vars() {
731
732
		if ( ! is_array( $this->js_vars ) ) {
733
			$this->js_vars = array();
734
		}
735
736
		// Check if transport is set to auto.
737
		// If not, then skip the auto-calculations and exit early.
738
		if ( 'auto' !== $this->transport ) {
739
			return;
740
		}
741
742
		// Set transport to refresh initially.
743
		// Serves as a fallback in case we failt to auto-calculate js_vars.
744
		$this->transport = 'refresh';
745
746
		$js_vars = array();
747
748
		// Try to auto-generate js_vars.
749
		// First we need to check if js_vars are empty, and that output is not empty.
750
		if ( empty( $this->js_vars ) && ! empty( $this->output ) ) {
751
752
			// Start going through each item in the $output array.
753
			foreach ( $this->output as $output ) {
754
				$output['function'] = ( isset( $output['function'] ) ) ? $output['function'] : 'style';
755
756
				// If 'element' or 'property' are not defined, skip this.
757
				if ( ! isset( $output['element'] ) || ! isset( $output['property'] ) ) {
758
					continue;
759
				}
760
				if ( is_array( $output['element'] ) ) {
761
					$output['element'] = implode( ',', $output['element'] );
762
				}
763
764
				// If there's a sanitize_callback defined skip this, unless we also have a js_callback defined.
765
				if ( isset( $output['sanitize_callback'] ) && ! empty( $output['sanitize_callback'] ) && ! isset( $output['js_callback'] ) ) {
766
					continue;
767
				}
768
769
				// If we got this far, it's safe to add this.
770
				$js_vars[] = $output;
771
			}
772
773
			// Did we manage to get all the items from 'output'?
774
			// If not, then we're missing something so don't add this.
775
			if ( count( $js_vars ) !== count( $this->output ) ) {
776
				return;
777
			}
778
			$this->js_vars   = $js_vars;
779
			$this->transport = 'postMessage';
780
781
		}
782
	}
783
784
	/**
785
	 * Sets the $variables
786
	 *
787
	 * @access protected
788
	 */
789
	protected function set_variables() {
790
791
		if ( ! is_array( $this->variables ) ) {
792
			$variable = ( is_string( $this->variables ) && ! empty( $this->variables ) ) ? $this->variables : false;
793
			$this->variables = array();
794
			if ( $variable && empty( $this->variables ) ) {
795
				$this->variables[0]['name'] = $variable;
796
			}
797
		}
798
	}
799
800
	/**
801
	 * This is a fallback method:
802
	 * $help has now become $tooltip, so this just migrates the data
803
	 *
804
	 * @access protected
805
	 */
806
	protected function set_help() {
807
808
		if ( '' !== $this->tooltip ) {
809
			return;
810
		}
811
		if ( '' !== $this->help ) {
812
			$this->tooltip = wp_strip_all_tags( $this->help );
813
			// $help has been deprecated
814
			$this->help = '';
815
			return;
816
		}
817
	}
818
819
	/**
820
	 * Sets the $transport
821
	 *
822
	 * @access protected
823
	 */
824
	protected function set_transport() {
825
826
		if ( 'postmessage' === trim( strtolower( $this->transport ) ) ) {
827
			$this->transport = 'postMessage';
828
		}
829
	}
830
831
	/**
832
	 * Sets the $required
833
	 *
834
	 * @access protected
835
	 */
836
	protected function set_required() {
837
838
		if ( ! is_array( $this->required ) ) {
839
			$this->required = array();
840
		}
841
	}
842
843
	/**
844
	 * Sets the $priority
845
	 *
846
	 * @access protected
847
	 */
848
	protected function set_priority() {
849
850
		$this->priority = absint( $this->priority );
851
852
	}
853
854
	/**
855
	 * Sets the $collapsible var.
856
	 *
857
	 * @access protected
858
	 */
859
	protected function set_collapsible() {
860
861
		$this->collapsible = (bool) $this->collapsible;
862
863
	}
864
}
865