Completed
Push — develop ( 98df20...7fd7c7 )
by Aristeides
02:39
created

Kirki_Field::set_field()   B

Complexity

Conditions 5
Paths 8

Size

Total Lines 30
Code Lines 15

Duplication

Lines 0
Ratio 0 %

Importance

Changes 0
Metric Value
cc 5
eloc 15
nc 8
nop 0
dl 0
loc 30
rs 8.439
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|bool
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
			/* translators: %s represents the field ID where the error occurs. */
310
			_doing_it_wrong( __METHOD__, sprintf( esc_attr__( 'Typo found in field %s - setting instead of settings.', 'kirki' ), esc_attr( $args['settings'] ) ), '3.0.10' );
311
			$args['settings'] = $args['setting'];
312
			unset( $args['setting'] );
313
		}
314
315
		// In case the user only provides 1 argument,
316
		// assume that the provided argument is $args and set $config_id = 'global'.
317
		if ( is_array( $config_id ) && empty( $args ) ) {
318
			/* translators: %1$s represents the field ID where the error occurs. %2$s is the URL in the documentation site. */
319
			_doing_it_wrong( __METHOD__, sprintf( esc_attr__( 'Config not defined for field %1$s - See %2$s for details on how to properly add fields.', 'kirki' ), esc_attr( $args['settings'] ), 'https://aristath.github.io/kirki/docs/getting-started/fields.html' ), '3.0.10' );
320
			$args = $config_id;
321
			$config_id = 'global';
322
		}
323
324
		$args['kirki_config'] = $config_id;
325
326
		$this->kirki_config = trim( esc_attr( $config_id ) );
327
		if ( '' === $config_id ) {
328
			/* translators: %1$s represents the field ID where the error occurs. %2$s is the URL in the documentation site. */
329
			_doing_it_wrong( __METHOD__, sprintf( esc_attr__( 'Config not defined for field %1$s - See %2$s for details on how to properly add fields.', 'kirki' ), esc_attr( $args['settings'] ), 'https://aristath.github.io/kirki/docs/getting-started/fields.html' ), '3.0.10' );
330
			$this->kirki_config = 'global';
331
		}
332
333
		// Get defaults from the class.
334
		$defaults = get_class_vars( __CLASS__ );
335
336
		// Get the config arguments, and merge them with the defaults.
337
		$config_defaults = ( isset( Kirki::$config['global'] ) ) ? Kirki::$config['global'] : array();
338
		if ( 'global' !== $this->kirki_config && isset( Kirki::$config[ $this->kirki_config ] ) ) {
339
			$config_defaults = Kirki::$config[ $this->kirki_config ];
340
		}
341
		$config_defaults = ( is_array( $config_defaults ) ) ? $config_defaults : array();
342
		foreach ( $config_defaults as $key => $value ) {
343
			if ( isset( $defaults[ $key ] ) && ! empty( $value ) && $value != $defaults[ $key ] ) {
344
				$defaults[ $key ] = $value;
345
			}
346
		}
347
348
		// Merge our args with the defaults.
349
		$args = wp_parse_args( $args, $defaults );
350
351
		// Set the class properties using the parsed args.
352
		foreach ( $args as $key => $value ) {
353
			$this->$key = $value;
354
		}
355
	}
356
357
	/**
358
	 * Processes the field arguments
359
	 *
360
	 * @access protected
361
	 */
362
	protected function set_field() {
363
364
		$properties = get_class_vars( __CLASS__ );
365
366
		// Some things must run before the others.
367
		$this->set_option_name();
368
		$this->set_option_type();
369
		$this->set_settings();
370
371
		// Sanitize the properties, skipping the ones that have already run above.
372
		foreach ( $properties as $property => $value ) {
373
			if ( in_array( $property, array( 'option_name', 'option_type', 'settings' ), true ) ) {
374
				continue;
375
			}
376
			if ( method_exists( $this, 'set_' . $property ) ) {
377
				$method_name = 'set_' . $property;
378
				$this->$method_name();
379
			}
380
		}
381
382
		// Get all arguments with their values.
383
		$args = get_object_vars( $this );
384
		foreach ( $args as $key => $default_value ) {
385
			$args[ $key ] = $this->$key;
386
		}
387
388
		// Add the field to the static $fields variable properly indexed.
389
		Kirki::$fields[ $this->settings ] = $args;
390
391
	}
392
393
	/**
394
	 * No need to do anything, these are escaped on the fields themselves.
395
	 *
396
	 * @access protected
397
	 */
398
	protected function set_label() {}
399
400
	/**
401
	 * No need to do anything, these are escaped on the fields themselves.
402
	 *
403
	 * @access protected
404
	 */
405
	protected function set_description() {}
406
407
	/**
408
	 * No need to do anything, these are escaped on the fields themselves.
409
	 *
410
	 * @access protected
411
	 */
412
	protected function set_mode() {}
413
414
	/**
415
	 * No need to do anything, these are escaped on the fields themselves.
416
	 * Only used in repeaters.
417
	 *
418
	 * @access protected
419
	 */
420
	protected function set_fields() {}
421
422
	/**
423
	 * No need to do anything, these are escaped on the fields themselves.
424
	 * Only used in repeaters.
425
	 *
426
	 * @access protected
427
	 */
428
	protected function set_row_label() {}
429
430
	/**
431
	 * This allows us to process this on a field-basis
432
	 * by using sub-classes which can override this method.
433
	 *
434
	 * @access protected
435
	 */
436
	protected function set_default() {}
437
438
	/**
439
	 * Escape $kirki_config.
440
	 *
441
	 * @access protected
442
	 */
443
	protected function set_kirki_config() {
444
445
		$this->kirki_config = esc_attr( $this->kirki_config );
446
447
	}
448
449
	/**
450
	 * Escape $option_name.
451
	 *
452
	 * @access protected
453
	 */
454
	protected function set_option_name() {
455
456
		$this->option_name = esc_attr( $this->option_name );
457
458
	}
459
460
	/**
461
	 * Escape the $section.
462
	 *
463
	 * @access protected
464
	 */
465
	protected function set_section() {
466
467
		$this->section = sanitize_key( $this->section );
468
469
	}
470
471
	/**
472
	 * Escape the $section.
473
	 *
474
	 * @access protected
475
	 */
476
	protected function set_input_attrs() {
477
478
		if ( ! is_array( $this->input_attrs ) ) {
479
			$this->input_attrs = array();
480
		}
481
	}
482
483
	/**
484
	 * Checks the capability chosen is valid.
485
	 * If not, then falls back to 'edit_theme_options'
486
	 *
487
	 * @access protected
488
	 */
489
	protected function set_capability() {
490
491
		// Early exit if we're using 'edit_theme_options'.
492
		if ( 'edit_theme_options' === $this->capability ) {
493
			return;
494
		}
495
		// Escape & trim the capability.
496
		$this->capability = trim( esc_attr( $this->capability ) );
497
498
	}
499
500
	/**
501
	 * Make sure we're using the correct option_type
502
	 *
503
	 * @access protected
504
	 */
505
	protected function set_option_type() {
506
507
		// Take care of common typos.
508
		if ( 'options' === $this->option_type ) {
509
			$this->option_type = 'option';
510
		}
511
		// Take care of common typos.
512
		if ( 'theme_mods' === $this->option_type ) {
513
			/* translators: %1$s represents the field ID where the error occurs. */
514
			_doing_it_wrong( __METHOD__, sprintf( esc_attr__( 'Typo found in field %s - "theme_mods" vs "theme_mod"', 'kirki' ), esc_attr( $this->settings ) ), '3.0.10' );
515
			$this->option_type = 'theme_mod';
516
		}
517
	}
518
519
	/**
520
	 * Modifications for partial refreshes.
521
	 *
522
	 * @access protected
523
	 */
524
	protected function set_partial_refresh() {
525
526
		if ( ! is_array( $this->partial_refresh ) ) {
527
			$this->partial_refresh = array();
528
		}
529
		foreach ( $this->partial_refresh as $id => $args ) {
530
			if ( ! is_array( $args ) || ! isset( $args['selector'] ) || ! isset( $args['render_callback'] ) || ! is_callable( $args['render_callback'] ) ) {
531
				/* translators: %1$s represents the field ID where the error occurs. */
532
				_doing_it_wrong( __METHOD__, sprintf( esc_attr__( '"partial_refresh" invalid entry in field %s', 'kirki' ), esc_attr( $this->settings ) ), '3.0.10' );
533
				unset( $this->partial_refresh[ $id ] );
534
				continue;
535
			}
536
		}
537
		if ( ! empty( $this->partial_refresh ) ) {
538
			$this->transport = 'postMessage';
539
		}
540
	}
541
542
	/**
543
	 * Sets the settings.
544
	 * If we're using serialized options it makes sure that settings are properly formatted.
545
	 * We'll also be escaping all setting names here for consistency.
546
	 *
547
	 * @access protected
548
	 */
549
	protected function set_settings() {
550
551
		// If settings is not an array, temporarily convert it to an array.
552
		// This is just to allow us to process everything the same way and avoid code duplication.
553
		// if settings is not an array then it will not be set as an array in the end.
554
		if ( ! is_array( $this->settings ) ) {
555
			$this->settings = array(
556
				'kirki_placeholder_setting' => $this->settings,
557
			);
558
		}
559
		$settings = array();
560
		foreach ( $this->settings as $setting_key => $setting_value ) {
561
			$settings[ sanitize_key( $setting_key ) ] = esc_attr( $setting_value );
562
			// If we're using serialized options then we need to spice this up.
563
			if ( 'option' === $this->option_type && '' !== $this->option_name && ( false === strpos( $setting_key, '[' ) ) ) {
564
				$settings[ sanitize_key( $setting_key ) ] = esc_attr( $this->option_name ) . '[' . esc_attr( $setting_value ) . ']';
565
			}
566
		}
567
		$this->settings = $settings;
568
		if ( isset( $this->settings['kirki_placeholder_setting'] ) ) {
569
			$this->settings = $this->settings['kirki_placeholder_setting'];
570
		}
571
572
	}
573
574
	/**
575
	 * Escapes the tooltip messages.
576
	 *
577
	 * @access protected
578
	 */
579
	protected function set_tooltip() {
580
581
		if ( '' !== $this->tooltip ) {
582
			$this->tooltip = wp_strip_all_tags( $this->tooltip );
583
			return;
584
		}
585
	}
586
587
	/**
588
	 * Sets the active_callback
589
	 * If we're using the $required argument,
590
	 * Then this is where the switch is made to our evaluation method.
591
	 *
592
	 * @access protected
593
	 */
594
	protected function set_active_callback() {
595
596
		if ( is_array( $this->active_callback ) && ! is_callable( $this->active_callback ) ) {
597
			if ( isset( $this->active_callback[0] ) ) {
598
				$this->required = $this->active_callback;
599
			}
600
		}
601
602
		if ( ! empty( $this->required ) ) {
603
			$this->active_callback = array( 'Kirki_Active_Callback', 'evaluate' );
604
			return;
605
		}
606
		// No need to proceed any further if we're using the default value.
607
		if ( '__return_true' === $this->active_callback ) {
608
			return;
609
		}
610
		// Make sure the function is callable, otherwise fallback to __return_true.
611
		if ( ! is_callable( $this->active_callback ) ) {
612
			$this->active_callback = '__return_true';
613
		}
614
	}
615
616
	/**
617
	 * Sets the control type.
618
	 *
619
	 * @access protected
620
	 */
621
	protected function set_type() {
622
623
		// Escape the control type (it doesn't hurt to be sure).
624
		$this->type = esc_attr( $this->type );
625
626
	}
627
628
	/**
629
	 * Sets the $id.
630
	 * Setting the ID should happen after the 'settings' sanitization.
631
	 * This way we can also properly handle cases where the option_type is set to 'option'
632
	 * and we're using an array instead of individual options.
633
	 *
634
	 * @access protected
635
	 */
636
	protected function set_id() {
637
638
		$this->id = sanitize_key( str_replace( '[', '-', str_replace( ']', '', $this->settings ) ) );
639
640
	}
641
642
	/**
643
	 * Sets the $sanitize_callback
644
	 *
645
	 * @access protected
646
	 */
647
	protected function set_sanitize_callback() {}
648
649
	/**
650
	 * Sets the $choices.
651
	 *
652
	 * @access protected
653
	 */
654
	protected function set_choices() {
655
656
		if ( ! is_array( $this->choices ) ) {
657
			$this->choices = array();
658
		}
659
	}
660
661
	/**
662
	 * Escapes the $disable_output.
663
	 *
664
	 * @access protected
665
	 */
666
	protected function set_disable_output() {
667
668
		$this->disable_output = (bool) $this->disable_output;
669
670
	}
671
672
	/**
673
	 * Sets the $sanitize_callback
674
	 *
675
	 * @access protected
676
	 */
677
	protected function set_output() {
678
679
		if ( empty( $this->output ) ) {
680
			return;
681
		}
682
		if ( ! empty( $this->output ) && ! is_array( $this->output ) ) {
683
			/* translators: %s represents the field ID where the error occurs. */
684
			_doing_it_wrong( __METHOD__, sprintf( esc_attr__( '"output" invalid format in field %s. The "output" argument should be defined as an array of arrays.', 'kirki' ), esc_attr( $this->settings ) ), '3.0.10' );
685
			$this->output = array(
686
				array(
687
					'element' => $this->output,
688
				),
689
			);
690
		}
691
		// Convert to array of arrays if needed.
692
		if ( isset( $this->output['element'] ) ) {
693
			/* translators: %s represents the field ID where the error occurs. */
694
			_doing_it_wrong( __METHOD__, sprintf( esc_attr__( '"output" invalid format in field %s. The "output" argument should be defined as an array of arrays.', 'kirki' ), esc_attr( $this->settings ) ), '3.0.10' );
695
			$this->output = array( $this->output );
696
		}
697
		$outputs = array();
698
		foreach ( $this->output as $output ) {
699
			if ( ! isset( $output['element'] ) || ( ! isset( $output['property'] ) && ! in_array( $this->type, array( 'kirki-typography', 'kirki-background' ), true ) ) ) {
700
				continue;
701
			}
702
			if ( ! isset( $output['sanitize_callback'] ) && isset( $output['callback'] ) ) {
703
				$output['sanitize_callback'] = $output['callback'];
704
			}
705
			// Convert element arrays to strings.
706
			if ( is_array( $output['element'] ) ) {
707
				$output['element'] = array_unique( $output['element'] );
708
				sort( $output['element'] );
709
				$output['element'] = implode( ',', $output['element'] );
710
			}
711
			$outputs[] = array(
712
				'element'           => $output['element'],
713
				'property'          => ( isset( $output['property'] ) ) ? $output['property'] : '',
714
				'media_query'       => ( isset( $output['media_query'] ) ) ? $output['media_query'] : 'global',
715
				'sanitize_callback' => ( isset( $output['sanitize_callback'] ) ) ? $output['sanitize_callback'] : '',
716
				'units'             => ( isset( $output['units'] ) ) ? $output['units'] : '',
717
				'prefix'            => ( isset( $output['prefix'] ) ) ? $output['prefix'] : '',
718
				'suffix'            => ( isset( $output['suffix'] ) ) ? $output['suffix'] : '',
719
				'exclude'           => ( isset( $output['exclude'] ) ) ? $output['exclude'] : false,
720
			);
721
		}
722
	}
723
724
	/**
725
	 * Sets the $js_vars
726
	 *
727
	 * @access protected
728
	 */
729
	protected function set_js_vars() {
730
731
		if ( ! is_array( $this->js_vars ) ) {
732
			$this->js_vars = array();
733
		}
734
735
		// Check if transport is set to auto.
736
		// If not, then skip the auto-calculations and exit early.
737
		if ( 'auto' !== $this->transport ) {
738
			return;
739
		}
740
741
		// Set transport to refresh initially.
742
		// Serves as a fallback in case we failt to auto-calculate js_vars.
743
		$this->transport = 'refresh';
744
745
		$js_vars = array();
746
747
		// Try to auto-generate js_vars.
748
		// First we need to check if js_vars are empty, and that output is not empty.
749
		if ( empty( $this->js_vars ) && ! empty( $this->output ) ) {
750
751
			// Start going through each item in the $output array.
752
			foreach ( $this->output as $output ) {
753
				$output['function'] = ( isset( $output['function'] ) ) ? $output['function'] : 'style';
754
755
				// If 'element' or 'property' are not defined, skip this.
756
				if ( ! isset( $output['element'] ) || ! isset( $output['property'] ) ) {
757
					continue;
758
				}
759
				if ( is_array( $output['element'] ) ) {
760
					$output['element'] = implode( ',', $output['element'] );
761
				}
762
763
				// If there's a sanitize_callback defined skip this, unless we also have a js_callback defined.
764
				if ( isset( $output['sanitize_callback'] ) && ! empty( $output['sanitize_callback'] ) && ! isset( $output['js_callback'] ) ) {
765
					continue;
766
				}
767
768
				// If we got this far, it's safe to add this.
769
				$js_vars[] = $output;
770
			}
771
772
			// Did we manage to get all the items from 'output'?
773
			// If not, then we're missing something so don't add this.
774
			if ( count( $js_vars ) !== count( $this->output ) ) {
775
				return;
776
			}
777
			$this->js_vars   = $js_vars;
778
			$this->transport = 'postMessage';
779
780
		}
781
	}
782
783
	/**
784
	 * Sets the $variables
785
	 *
786
	 * @access protected
787
	 */
788
	protected function set_variables() {
789
790
		if ( ! is_array( $this->variables ) ) {
791
			$variable = ( is_string( $this->variables ) && ! empty( $this->variables ) ) ? $this->variables : false;
792
			$this->variables = array();
793
			if ( $variable && empty( $this->variables ) ) {
794
				$this->variables[0]['name'] = $variable;
795
			}
796
		}
797
	}
798
799
	/**
800
	 * This is a fallback method:
801
	 * $help has now become $tooltip, so this just migrates the data
802
	 *
803
	 * @access protected
804
	 */
805
	protected function set_help() {
806
807
		if ( '' !== $this->tooltip ) {
808
			return;
809
		}
810
		if ( '' !== $this->help ) {
811
			/* translators: %s represents the field ID where the error occurs. */
812
			_doing_it_wrong( __METHOD__, sprintf( esc_attr__( '"help" argument has been deprecated in favor of "tooltip". Error in field %s.', 'kirki' ), esc_attr( $this->settings ) ), '3.0.10' );
813
			$this->tooltip = wp_strip_all_tags( $this->help );
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