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Gutenberg / 14.5.2
Gutenberg v14.5.2
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← All changes | lib/block-supports/layout.php +175 -1143 23.5.1 → 14.5.2 View file →
@@ -5,226 +5,14 @@
5 5 * @package gutenberg
6 6 */
7 7
8 8 /**
9 - * Get the first style variation name from a className string that matches a registered style.
10 - *
11 - * @param string $class_name CSS class string for a block.
12 - * @param array<string, array<string, mixed>> $registered_styles Currently registered block styles.
13 - * @return string|null The name of the first registered variation, or null if none found.
14 - */
15 -function gutenberg_get_block_style_variation_name_from_registered_style( string $class_name, array $registered_styles = array() ): ?string {
16 - if ( ! $class_name ) {
17 - return null;
18 - }
19 -
20 - $registered_names = array_filter( array_column( $registered_styles, 'name' ) );
21 -
22 - $prefix = 'is-style-';
23 - $length = strlen( $prefix );
24 -
25 - foreach ( explode( ' ', $class_name ) as $class ) {
26 - if ( str_starts_with( $class, $prefix ) ) {
27 - $variation = substr( $class, $length );
28 - if ( 'default' !== $variation && in_array( $variation, $registered_names, true ) ) {
29 - return $variation;
30 - }
31 - }
32 - }
33 -
34 - return null;
35 -}
36 -
37 -/**
38 - * Returns layout definitions, keyed by layout type.
39 - *
40 - * Provides a common definition of slugs, classnames, base styles, and spacing styles for each layout type.
41 - * When making changes or additions to layout definitions, the corresponding JavaScript definitions should
42 - * also be updated.
43 - *
44 - * @return array[] Layout definitions.
45 - */
46 -function gutenberg_get_layout_definitions() {
47 - $layout_definitions = array(
48 - 'default' => array(
49 - 'name' => 'default',
50 - 'slug' => 'flow',
51 - 'className' => 'is-layout-flow',
52 - 'baseStyles' => array(
53 - array(
54 - 'selector' => ' > .alignleft',
55 - 'rules' => array(
56 - 'float' => 'left',
57 - 'margin-inline-start' => '0',
58 - 'margin-inline-end' => '2em',
59 - ),
60 - ),
61 - array(
62 - 'selector' => ' > .alignright',
63 - 'rules' => array(
64 - 'float' => 'right',
65 - 'margin-inline-start' => '2em',
66 - 'margin-inline-end' => '0',
67 - ),
68 - ),
69 - array(
70 - 'selector' => ' > .aligncenter',
71 - 'rules' => array(
72 - 'margin-left' => 'auto !important',
73 - 'margin-right' => 'auto !important',
74 - ),
75 - ),
76 - ),
77 - 'spacingStyles' => array(
78 - array(
79 - 'selector' => ' > :first-child',
80 - 'rules' => array(
81 - 'margin-block-start' => '0',
82 - ),
83 - ),
84 - array(
85 - 'selector' => ' > :last-child',
86 - 'rules' => array(
87 - 'margin-block-end' => '0',
88 - ),
89 - ),
90 - array(
91 - 'selector' => ' > *',
92 - 'rules' => array(
93 - 'margin-block-start' => null,
94 - 'margin-block-end' => '0',
95 - ),
96 - ),
97 - ),
98 - ),
99 - 'constrained' => array(
100 - 'name' => 'constrained',
101 - 'slug' => 'constrained',
102 - 'className' => 'is-layout-constrained',
103 - 'baseStyles' => array(
104 - array(
105 - 'selector' => ' > .alignleft',
106 - 'rules' => array(
107 - 'float' => 'left',
108 - 'margin-inline-start' => '0',
109 - 'margin-inline-end' => '2em',
110 - ),
111 - ),
112 - array(
113 - 'selector' => ' > .alignright',
114 - 'rules' => array(
115 - 'float' => 'right',
116 - 'margin-inline-start' => '2em',
117 - 'margin-inline-end' => '0',
118 - ),
119 - ),
120 - array(
121 - 'selector' => ' > .aligncenter',
122 - 'rules' => array(
123 - 'margin-left' => 'auto !important',
124 - 'margin-right' => 'auto !important',
125 - ),
126 - ),
127 - array(
128 - 'selector' => ' > :where(:not(.alignleft):not(.alignright):not(.alignfull))',
129 - 'rules' => array(
130 - 'max-width' => 'var(--wp--style--global--content-size)',
131 - 'margin-left' => 'auto !important',
132 - 'margin-right' => 'auto !important',
133 - ),
134 - ),
135 - array(
136 - 'selector' => ' > .alignwide',
137 - 'rules' => array(
138 - 'max-width' => 'var(--wp--style--global--wide-size)',
139 - ),
140 - ),
141 - ),
142 - 'spacingStyles' => array(
143 - array(
144 - 'selector' => ' > :first-child',
145 - 'rules' => array(
146 - 'margin-block-start' => '0',
147 - ),
148 - ),
149 - array(
150 - 'selector' => ' > :last-child',
151 - 'rules' => array(
152 - 'margin-block-end' => '0',
153 - ),
154 - ),
155 - array(
156 - 'selector' => ' > *',
157 - 'rules' => array(
158 - 'margin-block-start' => null,
159 - 'margin-block-end' => '0',
160 - ),
161 - ),
162 - ),
163 - ),
164 - 'flex' => array(
165 - 'name' => 'flex',
166 - 'slug' => 'flex',
167 - 'className' => 'is-layout-flex',
168 - 'displayMode' => 'flex',
169 - 'baseStyles' => array(
170 - array(
171 - 'selector' => '',
172 - 'rules' => array(
173 - 'flex-wrap' => 'wrap',
174 - 'align-items' => 'center',
175 - ),
176 - ),
177 - array(
178 - 'selector' => ' > :is(*, div)', // :is(*, div) instead of just * increases the specificity by 001.
179 - 'rules' => array(
180 - 'margin' => '0',
181 - ),
182 - ),
183 - ),
184 - 'spacingStyles' => array(
185 - array(
186 - 'selector' => '',
187 - 'rules' => array(
188 - 'gap' => null,
189 - ),
190 - ),
191 - ),
192 - ),
193 - 'grid' => array(
194 - 'name' => 'grid',
195 - 'slug' => 'grid',
196 - 'className' => 'is-layout-grid',
197 - 'displayMode' => 'grid',
198 - 'baseStyles' => array(
199 - array(
200 - 'selector' => ' > :is(*, div)', // :is(*, div) instead of just * increases the specificity by 001.
201 - 'rules' => array(
202 - 'margin' => '0',
203 - ),
204 - ),
205 - ),
206 - 'spacingStyles' => array(
207 - array(
208 - 'selector' => '',
209 - 'rules' => array(
210 - 'gap' => null,
211 - ),
212 - ),
213 - ),
214 - ),
215 - );
216 -
217 - return $layout_definitions;
218 -}
219 -
220 -/**
221 9 * Registers the layout block attribute for block types that support it.
222 10 *
223 11 * @param WP_Block_Type $block_type Block Type.
224 12 */
225 13 function gutenberg_register_layout_support( $block_type ) {
226 - $support_layout = block_has_support( $block_type, array( 'layout' ), false ) || block_has_support( $block_type, array( '__experimentalLayout' ), false );
14 + $support_layout = block_has_support( $block_type, array( '__experimentalLayout' ), false );
227 15 if ( $support_layout ) {
228 16 if ( ! $block_type->attributes ) {
229 17 $block_type->attributes = array();
230 18 }
@@ -237,228 +25,8 @@
237 25 }
238 26 }
239 27
240 28 /**
241 - * Returns the child-layout-only subset of a layout object.
242 - *
243 - * Child layout keys are the ones controlling how the block lays itself out
244 - * inside its parent's grid or flex container.
245 - *
246 - * @param mixed $layout Layout object.
247 - * @return array Child layout values, or an empty array.
248 - */
249 -function gutenberg_get_layout_child_values( $layout ) {
250 - if ( ! is_array( $layout ) ) {
251 - return array();
252 - }
253 -
254 - return array_intersect_key(
255 - $layout,
256 - array_flip(
257 - array( 'selfStretch', 'flexSize', 'columnStart', 'columnSpan', 'rowStart', 'rowSpan' )
258 - )
259 - );
260 -}
261 -
262 -/**
263 - * Returns the container-layout subset of a layout object (everything except child layout keys).
264 - *
265 - * @param mixed $layout Layout object.
266 - * @return array Container layout values, or an empty array.
267 - */
268 -function gutenberg_get_layout_container_values( $layout ) {
269 - if ( ! is_array( $layout ) ) {
270 - return array();
271 - }
272 -
273 - return array_diff_key(
274 - $layout,
275 - array_flip(
276 - array( 'selfStretch', 'flexSize', 'columnStart', 'columnSpan', 'rowStart', 'rowSpan' )
277 - )
278 - );
279 -}
280 -
281 -/**
282 - * Sanitizes a block gap value before layout style generation.
283 - *
284 - * Regex for CSS value borrowed from `safecss_filter_attr`, used here to only match
285 - * against the value, not the CSS attribute.
286 - *
287 - * @param string|array|null $gap_value Block gap value.
288 - * @return string|array|null Sanitized block gap value.
289 - */
290 -function gutenberg_sanitize_block_gap_value( $gap_value ) {
291 - if ( is_array( $gap_value ) ) {
292 - foreach ( $gap_value as $key => $value ) {
293 - $gap_value[ $key ] = $value && preg_match( '%[\\\(&=}]|/\*%', $value ) ? null : $value;
294 - }
295 - return $gap_value;
296 - }
297 -
298 - return $gap_value && preg_match( '%[\\\(&=}]|/\*%', $gap_value ) ? null : $gap_value;
299 -}
300 -
301 -/**
302 - * Returns child layout styles for a block affected by its parent's layout.
303 - *
304 - * @param string $selector CSS selector.
305 - * @param array $child_layout Child layout values.
306 - * @param array $parent_layout Parent layout values.
307 - * @param array|null $viewport_overrides Optional. Child viewport layout overrides to emit.
308 - * @return array Child layout style rules.
309 - */
310 -function gutenberg_get_child_layout_style_rules( $selector, $child_layout, $parent_layout = array(), $viewport_overrides = null ) {
311 - $base_child_layout = is_array( $child_layout ) ? $child_layout : array();
312 - $viewport_overrides = is_array( $viewport_overrides ) ? $viewport_overrides : null;
313 - $child_layout = null === $viewport_overrides ? $base_child_layout : array_replace( $base_child_layout, $viewport_overrides );
314 - $child_layout_declarations = array();
315 - $child_layout_styles = array();
316 - $has_viewport_property_override = static function ( $property ) use ( $viewport_overrides ) {
317 - return array_key_exists( $property, $viewport_overrides );
318 - };
319 -
320 - $self_stretch = $child_layout['selfStretch'] ?? null;
321 - $base_self_stretch = $base_child_layout['selfStretch'] ?? null;
322 -
323 - /*
324 - * These are the serialized `selfStretch` values. `max` used to be called
325 - * "Fixed" in the UI, but was renamed and replaced by `fixedNoShrink`.
326 - */
327 - $flex_child_layout_values = array(
328 - 'fit' => 'fit',
329 - 'grow' => 'fill',
330 - 'max' => 'fixed',
331 - 'fixed' => 'fixedNoShrink',
332 - );
333 - $flex_size_values = array(
334 - $flex_child_layout_values['max'],
335 - $flex_child_layout_values['fixed'],
336 - );
337 -
338 - if ( null === $viewport_overrides || $has_viewport_property_override( 'selfStretch' ) || $has_viewport_property_override( 'flexSize' ) ) {
339 - if (
340 - null !== $viewport_overrides &&
341 - ( $flex_child_layout_values['fit'] === $self_stretch || $flex_child_layout_values['grow'] === $self_stretch ) &&
342 - in_array( $base_self_stretch, $flex_size_values, true ) &&
343 - isset( $base_child_layout['flexSize'] )
344 - ) {
345 - $child_layout_declarations['flex-basis'] = 'unset';
346 - if ( $flex_child_layout_values['fixed'] === $base_self_stretch ) {
347 - $child_layout_declarations['flex-shrink'] = 'unset';
348 - }
349 - }
350 - if ( in_array( $self_stretch, $flex_size_values, true ) && isset( $child_layout['flexSize'] ) ) {
351 - $child_layout_declarations['flex-basis'] = $child_layout['flexSize'];
352 - if ( $flex_child_layout_values['fixed'] === $self_stretch ) {
353 - $child_layout_declarations['flex-shrink'] = '0';
354 - } elseif ( null !== $viewport_overrides && $flex_child_layout_values['fixed'] === $base_self_stretch ) {
355 - $child_layout_declarations['flex-shrink'] = 'unset';
356 - }
357 - $child_layout_declarations['box-sizing'] = 'border-box';
358 - } elseif ( $flex_child_layout_values['grow'] === $self_stretch ) {
359 - $child_layout_declarations['flex-grow'] = '1';
360 - }
361 - }
362 -
363 - $column_start = $child_layout['columnStart'] ?? null;
364 - $column_span = $child_layout['columnSpan'] ?? null;
365 - if ( null === $viewport_overrides || $has_viewport_property_override( 'columnStart' ) || $has_viewport_property_override( 'columnSpan' ) ) {
366 - if ( $column_start && $column_span ) {
367 - $child_layout_declarations['grid-column'] = "$column_start / span $column_span";
368 - } elseif ( $column_start ) {
369 - $child_layout_declarations['grid-column'] = "$column_start";
370 - } elseif ( $column_span ) {
371 - $child_layout_declarations['grid-column'] = "span $column_span";
372 - }
373 - }
374 -
375 - $row_start = $child_layout['rowStart'] ?? null;
376 - $row_span = $child_layout['rowSpan'] ?? null;
377 - if ( null === $viewport_overrides || $has_viewport_property_override( 'rowStart' ) || $has_viewport_property_override( 'rowSpan' ) ) {
378 - if ( $row_start && $row_span ) {
379 - $child_layout_declarations['grid-row'] = "$row_start / span $row_span";
380 - } elseif ( $row_start ) {
381 - $child_layout_declarations['grid-row'] = "$row_start";
382 - } elseif ( $row_span ) {
383 - $child_layout_declarations['grid-row'] = "span $row_span";
384 - }
385 - }
386 -
387 - if ( ! empty( $child_layout_declarations ) ) {
388 - $child_layout_styles[] = array(
389 - 'selector' => $selector,
390 - 'declarations' => $child_layout_declarations,
391 - );
392 - }
393 -
394 - $minimum_column_width = $parent_layout['minimumColumnWidth'] ?? null;
395 - $column_count = $parent_layout['columnCount'] ?? null;
396 -
397 - /*
398 - * If columnSpan or columnStart is set, and the parent grid is responsive, i.e. if it has a minimumColumnWidth set,
399 - * the columnSpan should be removed once the grid is smaller than the span, and columnStart should be removed
400 - * once the grid has less columns than the start.
401 - * If there's a minimumColumnWidth, the grid is responsive. But if the minimumColumnWidth value wasn't changed, it won't be set.
402 - * In that case, if columnCount doesn't exist, we can assume that the grid is responsive.
403 - */
404 - if ( null === $viewport_overrides && ( $column_span || $column_start ) && ( $minimum_column_width || ! $column_count ) ) {
405 - $column_span_number = floatval( $column_span );
406 - $column_start_number = floatval( $column_start );
407 - $parent_column_width = $minimum_column_width ? $minimum_column_width : '12rem';
408 - $parent_column_value = floatval( $parent_column_width );
409 - $parent_column_unit = explode( $parent_column_value, $parent_column_width );
410 -
411 - $num_cols_to_break_at = 2;
412 - if ( $column_span_number && $column_start_number ) {
413 - $num_cols_to_break_at = $column_start_number + $column_span_number - 1;
414 - } elseif ( $column_span_number ) {
415 - $num_cols_to_break_at = $column_span_number;
416 - } else {
417 - $num_cols_to_break_at = $column_start_number;
418 - }
419 -
420 - /*
421 - * If there is no unit, the width has somehow been mangled so we reset both unit and value
422 - * to defaults.
423 - * Additionally, the unit should be one of px, rem or em, so that also needs to be checked.
424 - */
425 - if ( count( $parent_column_unit ) <= 1 ) {
426 - $parent_column_unit = 'rem';
427 - $parent_column_value = 12;
428 - } else {
429 - $parent_column_unit = $parent_column_unit[1];
430 -
431 - if ( ! in_array( $parent_column_unit, array( 'px', 'rem', 'em' ), true ) ) {
432 - $parent_column_unit = 'rem';
433 - }
434 - }
435 -
436 - /*
437 - * A default gap value is used for this computation because custom gap values may not be
438 - * viable to use in the computation of the container query value.
439 - */
440 - $default_gap_value = 'px' === $parent_column_unit ? 24 : 1.5;
441 - $container_query_value = $num_cols_to_break_at * $parent_column_value + ( $num_cols_to_break_at - 1 ) * $default_gap_value;
442 - $minimum_container_query_value = $parent_column_value * 2 + $default_gap_value - 1;
443 - $container_query_value = max( $container_query_value, $minimum_container_query_value ) . $parent_column_unit;
444 - // If a span is set we want to preserve it as long as possible, otherwise we just reset the value.
445 - $grid_column_value = $column_span && $column_span > 1 ? '1/-1' : 'auto';
446 -
447 - $child_layout_styles[] = array(
448 - 'rules_group' => "@container (max-width: $container_query_value )",
449 - 'selector' => $selector,
450 - 'declarations' => array(
451 - 'grid-column' => $grid_column_value,
452 - 'grid-row' => 'auto',
453 - ),
454 - );
455 - }
456 -
457 - return $child_layout_styles;
458 -}
459 -
460 -/**
461 29 * Generates the CSS corresponding to the provided layout.
462 30 *
463 31 * @param string $selector CSS selector.
464 32 * @param array $layout Layout object. The one that is passed has already checked
@@ -465,30 +33,20 @@
465 33 * the existence of default block layout.
466 34 * @param bool $has_block_gap_support Optional. Whether the theme has support for the block gap. Default false.
467 35 * @param string|string[]|null $gap_value Optional. The block gap value to apply. Default null.
468 36 * @param bool $should_skip_gap_serialization Optional. Whether to skip applying the user-defined value set in the editor. Default false.
469 - * @param string|array $fallback_gap_value Optional. The block gap value to apply. If it's an array expected properties are "top" and/or "left". Default '0.5em'.
37 + * @param string $fallback_gap_value Optional. The block gap value to apply. Default '0.5em'.
470 38 * @param array|null $block_spacing Optional. Custom spacing set on the block. Default null.
471 - * @param array $options Optional. Extra options for internal callers. Default empty array.
472 - * @return string CSS styles, or empty string.
39 + * @return string CSS styles on success. Else, empty string.
473 40 */
474 -function gutenberg_get_layout_style( $selector, $layout, $has_block_gap_support = false, $gap_value = null, $should_skip_gap_serialization = false, $fallback_gap_value = '0.5em', $block_spacing = null, $options = array() ) {
475 - $base_layout = is_array( $layout ) ? $layout : array();
476 - $viewport_overrides = $options['viewport_overrides'] ?? null;
477 - $layout_for_styles = null === $viewport_overrides ? $base_layout : array_replace( $base_layout, $viewport_overrides );
478 - $layout_type = $base_layout['type'] ?? 'default';
479 - $rules_group = $options['rules_group'] ?? null;
480 - $has_block_gap_override = ! empty( $options['has_block_gap_override'] );
481 - $should_output_block_gap = null === $viewport_overrides || $has_block_gap_override;
482 - $has_viewport_property_override = static function ( $property ) use ( $viewport_overrides ) {
483 - return array_key_exists( $property, $viewport_overrides );
484 - };
485 - $layout_styles = array();
41 +function gutenberg_get_layout_style( $selector, $layout, $has_block_gap_support = false, $gap_value = null, $should_skip_gap_serialization = false, $fallback_gap_value = '0.5em', $block_spacing = null ) {
42 + $layout_type = isset( $layout['type'] ) ? $layout['type'] : 'default';
43 + $layout_styles = array();
486 44
487 45 if ( 'default' === $layout_type ) {
488 - if ( $has_block_gap_support && $should_output_block_gap ) {
46 + if ( $has_block_gap_support ) {
489 47 if ( is_array( $gap_value ) ) {
490 - $gap_value = $gap_value['top'] ?? null;
48 + $gap_value = isset( $gap_value['top'] ) ? $gap_value['top'] : null;
491 49 }
492 50 if ( null !== $gap_value && ! $should_skip_gap_serialization ) {
493 51 // Get spacing CSS variable from preset value if provided.
494 52 if ( is_string( $gap_value ) && str_contains( $gap_value, 'var:preset|spacing|' ) ) {
@@ -506,9 +64,9 @@
506 64 'margin-block-end' => '0',
507 65 ),
508 66 ),
509 67 array(
510 - 'selector' => "$selector > * + *",
68 + 'selector' => "$selector$selector > * + *",
511 69 'declarations' => array(
512 70 'margin-block-start' => $gap_value,
513 71 'margin-block-end' => '0',
514 72 ),
@@ -516,39 +74,33 @@
516 74 );
517 75 }
518 76 }
519 77 } elseif ( 'constrained' === $layout_type ) {
520 - $content_size = $layout_for_styles['contentSize'] ?? '';
521 - $wide_size = $layout_for_styles['wideSize'] ?? '';
522 - $justify_content = $layout_for_styles['justifyContent'] ?? 'center';
78 + $content_size = isset( $layout['contentSize'] ) ? $layout['contentSize'] : '';
79 + $wide_size = isset( $layout['wideSize'] ) ? $layout['wideSize'] : '';
80 + $justify_content = isset( $layout['justifyContent'] ) ? $layout['justifyContent'] : 'center';
523 81
524 82 $all_max_width_value = $content_size ? $content_size : $wide_size;
525 83 $wide_max_width_value = $wide_size ? $wide_size : $content_size;
526 84
527 85 // Make sure there is a single CSS rule, and all tags are stripped for security.
528 - $all_max_width_value = safecss_filter_attr( explode( ';', $all_max_width_value )[0] );
529 - $wide_max_width_value = safecss_filter_attr( explode( ';', $wide_max_width_value )[0] );
86 + // TODO: Use `safecss_filter_attr` instead - once https://core.trac.wordpress.org/ticket/46197 is patched.
87 + $all_max_width_value = wp_strip_all_tags( explode( ';', $all_max_width_value )[0] );
88 + $wide_max_width_value = wp_strip_all_tags( explode( ';', $wide_max_width_value )[0] );
530 89
531 90 $margin_left = 'left' === $justify_content ? '0 !important' : 'auto !important';
532 91 $margin_right = 'right' === $justify_content ? '0 !important' : 'auto !important';
533 92
534 - $has_justify_content_override = null !== $viewport_overrides && $has_viewport_property_override( 'justifyContent' );
535 - $should_output_constrained_sizes = null === $viewport_overrides || $has_viewport_property_override( 'contentSize' ) || $has_viewport_property_override( 'wideSize' );
536 - if ( $should_output_constrained_sizes && ( $content_size || $wide_size ) ) {
537 - $content_size_declarations = array(
538 - 'max-width' => $all_max_width_value,
539 - );
540 -
541 - if ( null === $viewport_overrides || $has_justify_content_override ) {
542 - $content_size_declarations['margin-left'] = $margin_left;
543 - $content_size_declarations['margin-right'] = $margin_right;
544 - }
545 -
93 + if ( $content_size || $wide_size ) {
546 94 array_push(
547 95 $layout_styles,
548 96 array(
549 97 'selector' => "$selector > :where(:not(.alignleft):not(.alignright):not(.alignfull))",
550 - 'declarations' => $content_size_declarations,
98 + 'declarations' => array(
99 + 'max-width' => $all_max_width_value,
100 + 'margin-left' => $margin_left,
101 + 'margin-right' => $margin_right,
102 + ),
551 103 ),
552 104 array(
553 105 'selector' => "$selector > .alignwide",
554 106 'declarations' => array( 'max-width' => $wide_max_width_value ),
@@ -557,72 +109,54 @@
557 109 'selector' => "$selector .alignfull",
558 110 'declarations' => array( 'max-width' => 'none' ),
559 111 )
560 112 );
561 - }
562 113
563 - if ( null === $viewport_overrides && isset( $block_spacing ) ) {
564 - $block_spacing_values = gutenberg_style_engine_get_styles(
565 - array(
566 - 'spacing' => $block_spacing,
567 - )
568 - );
114 + if ( isset( $block_spacing ) ) {
115 + $block_spacing_values = gutenberg_style_engine_get_styles(
116 + array(
117 + 'spacing' => $block_spacing,
118 + )
119 + );
569 120
570 - /*
571 - * Handle negative margins for alignfull children of blocks with custom padding set.
572 - * They're added separately because padding might only be set on one side.
573 - */
574 - if ( isset( $block_spacing_values['declarations']['padding-right'] ) ) {
575 - $padding_right = $block_spacing_values['declarations']['padding-right'];
576 - // Add unit if 0.
577 - if ( '0' === $padding_right ) {
578 - $padding_right = '0px';
121 + /*
122 + * Handle negative margins for alignfull children of blocks with custom padding set.
123 + * They're added separately because padding might only be set on one side.
124 + */
125 + if ( isset( $block_spacing_values['declarations']['padding-right'] ) ) {
126 + $padding_right = $block_spacing_values['declarations']['padding-right'];
127 + $layout_styles[] = array(
128 + 'selector' => "$selector > .alignfull",
129 + 'declarations' => array( 'margin-right' => "calc($padding_right * -1)" ),
130 + );
579 131 }
580 - $layout_styles[] = array(
581 - 'selector' => "$selector > .alignfull",
582 - 'declarations' => array( 'margin-right' => "calc($padding_right * -1)" ),
583 - );
584 - }
585 - if ( isset( $block_spacing_values['declarations']['padding-left'] ) ) {
586 - $padding_left = $block_spacing_values['declarations']['padding-left'];
587 - // Add unit if 0.
588 - if ( '0' === $padding_left ) {
589 - $padding_left = '0px';
132 + if ( isset( $block_spacing_values['declarations']['padding-left'] ) ) {
133 + $padding_left = $block_spacing_values['declarations']['padding-left'];
134 + $layout_styles[] = array(
135 + 'selector' => "$selector > .alignfull",
136 + 'declarations' => array( 'margin-left' => "calc($padding_left * -1)" ),
137 + );
590 138 }
591 - $layout_styles[] = array(
592 - 'selector' => "$selector > .alignfull",
593 - 'declarations' => array( 'margin-left' => "calc($padding_left * -1)" ),
594 - );
595 139 }
596 140 }
597 141
598 - if ( $has_justify_content_override && ! $should_output_constrained_sizes ) {
142 + if ( 'left' === $justify_content ) {
599 143 $layout_styles[] = array(
600 144 'selector' => "$selector > :where(:not(.alignleft):not(.alignright):not(.alignfull))",
601 - 'declarations' => array(
602 - 'margin-left' => $margin_left,
603 - 'margin-right' => $margin_right,
604 - ),
145 + 'declarations' => array( 'margin-left' => '0 !important' ),
605 146 );
606 - } elseif ( null === $viewport_overrides ) {
607 - if ( 'left' === $justify_content ) {
608 - $layout_styles[] = array(
609 - 'selector' => "$selector > :where(:not(.alignleft):not(.alignright):not(.alignfull))",
610 - 'declarations' => array( 'margin-left' => '0 !important' ),
611 - );
612 - }
147 + }
613 148
614 - if ( 'right' === $justify_content ) {
615 - $layout_styles[] = array(
616 - 'selector' => "$selector > :where(:not(.alignleft):not(.alignright):not(.alignfull))",
617 - 'declarations' => array( 'margin-right' => '0 !important' ),
618 - );
619 - }
149 + if ( 'right' === $justify_content ) {
150 + $layout_styles[] = array(
151 + 'selector' => "$selector > :where(:not(.alignleft):not(.alignright):not(.alignfull))",
152 + 'declarations' => array( 'margin-right' => '0 !important' ),
153 + );
620 154 }
621 155
622 - if ( $has_block_gap_support && $should_output_block_gap ) {
156 + if ( $has_block_gap_support ) {
623 157 if ( is_array( $gap_value ) ) {
624 - $gap_value = $gap_value['top'] ?? null;
158 + $gap_value = isset( $gap_value['top'] ) ? $gap_value['top'] : null;
625 159 }
626 160 if ( null !== $gap_value && ! $should_skip_gap_serialization ) {
627 161 // Get spacing CSS variable from preset value if provided.
628 162 if ( is_string( $gap_value ) && str_contains( $gap_value, 'var:preset|spacing|' ) ) {
@@ -640,9 +174,9 @@
640 174 'margin-block-end' => '0',
641 175 ),
642 176 ),
643 177 array(
644 - 'selector' => "$selector > * + *",
178 + 'selector' => "$selector$selector > * + *",
645 179 'declarations' => array(
646 180 'margin-block-start' => $gap_value,
647 181 'margin-block-end' => '0',
648 182 ),
@@ -650,9 +184,9 @@
650 184 );
651 185 }
652 186 }
653 187 } elseif ( 'flex' === $layout_type ) {
654 - $layout_orientation = $layout_for_styles['orientation'] ?? 'horizontal';
188 + $layout_orientation = isset( $layout['orientation'] ) ? $layout['orientation'] : 'horizontal';
655 189
656 190 $justify_content_options = array(
657 191 'left' => 'flex-start',
658 192 'right' => 'flex-end',
@@ -665,21 +199,12 @@
665 199 'bottom' => 'flex-end',
666 200 );
667 201
668 202 if ( 'horizontal' === $layout_orientation ) {
669 - $justify_content_options += array( 'space-between' => 'space-between' );
670 - $vertical_alignment_options += array( 'stretch' => 'stretch' );
671 - } else {
672 - $justify_content_options += array( 'stretch' => 'stretch' );
673 - $vertical_alignment_options += array( 'space-between' => 'space-between' );
203 + $justify_content_options += array( 'space-between' => 'space-between' );
674 204 }
675 205
676 - $should_output_flex_wrap = null === $viewport_overrides || $has_viewport_property_override( 'flexWrap' );
677 - $should_output_flex_orientation = null === $viewport_overrides || $has_viewport_property_override( 'orientation' );
678 - $should_output_flex_justification = null === $viewport_overrides || $has_viewport_property_override( 'justifyContent' ) || $has_viewport_property_override( 'orientation' );
679 - $should_output_flex_alignment = null === $viewport_overrides || $has_viewport_property_override( 'verticalAlignment' ) || $has_viewport_property_override( 'orientation' );
680 -
681 - if ( $should_output_flex_wrap && ! empty( $layout_for_styles['flexWrap'] ) && 'nowrap' === $layout_for_styles['flexWrap'] ) {
206 + if ( ! empty( $layout['flexWrap'] ) && 'nowrap' === $layout['flexWrap'] ) {
682 207 $layout_styles[] = array(
683 208 'selector' => $selector,
684 209 'declarations' => array( 'flex-wrap' => 'nowrap' ),
685 210 );
@@ -684,22 +209,14 @@
684 209 'declarations' => array( 'flex-wrap' => 'nowrap' ),
685 210 );
686 211 }
687 212
688 - if ( $has_block_gap_support && $should_output_block_gap && isset( $gap_value ) ) {
213 + if ( $has_block_gap_support && isset( $gap_value ) ) {
689 214 $combined_gap_value = '';
690 215 $gap_sides = is_array( $gap_value ) ? array( 'top', 'left' ) : array( 'top' );
691 216
692 217 foreach ( $gap_sides as $gap_side ) {
693 - $process_value = $gap_value;
694 - if ( is_array( $gap_value ) ) {
695 - if ( is_array( $fallback_gap_value ) ) {
696 - $fallback_value = $fallback_gap_value[ $gap_side ] ?? reset( $fallback_gap_value );
697 - } else {
698 - $fallback_value = $fallback_gap_value;
699 - }
700 - $process_value = $gap_value[ $gap_side ] ?? $fallback_value;
701 - }
218 + $process_value = is_string( $gap_value ) ? $gap_value : _wp_array_get( $gap_value, array( $gap_side ), $fallback_gap_value );
702 219 // Get spacing CSS variable from preset value if provided.
703 220 if ( is_string( $process_value ) && str_contains( $process_value, 'var:preset|spacing|' ) ) {
704 221 $index_to_splice = strrpos( $process_value, '|' ) + 1;
705 222 $slug = _wp_to_kebab_case( substr( $process_value, $index_to_splice ) );
@@ -722,142 +239,41 @@
722 239 * Add this style only if is not empty for backwards compatibility,
723 240 * since we intend to convert blocks that had flex layout implemented
724 241 * by custom css.
725 242 */
726 - if ( $should_output_flex_justification && ! empty( $layout_for_styles['justifyContent'] ) && array_key_exists( $layout_for_styles['justifyContent'], $justify_content_options ) ) {
243 + if ( ! empty( $layout['justifyContent'] ) && array_key_exists( $layout['justifyContent'], $justify_content_options ) ) {
727 244 $layout_styles[] = array(
728 245 'selector' => $selector,
729 - 'declarations' => array( 'justify-content' => $justify_content_options[ $layout_for_styles['justifyContent'] ] ),
246 + 'declarations' => array( 'justify-content' => $justify_content_options[ $layout['justifyContent'] ] ),
730 247 );
731 248 }
732 249
733 - if ( $should_output_flex_alignment && ! empty( $layout_for_styles['verticalAlignment'] ) && array_key_exists( $layout_for_styles['verticalAlignment'], $vertical_alignment_options ) ) {
250 + if ( ! empty( $layout['verticalAlignment'] ) && array_key_exists( $layout['verticalAlignment'], $vertical_alignment_options ) ) {
734 251 $layout_styles[] = array(
735 252 'selector' => $selector,
736 - 'declarations' => array( 'align-items' => $vertical_alignment_options[ $layout_for_styles['verticalAlignment'] ] ),
253 + 'declarations' => array( 'align-items' => $vertical_alignment_options[ $layout['verticalAlignment'] ] ),
737 254 );
738 255 }
739 256 } else {
740 - if ( $should_output_flex_orientation ) {
257 + $layout_styles[] = array(
258 + 'selector' => $selector,
259 + 'declarations' => array( 'flex-direction' => 'column' ),
260 + );
261 + if ( ! empty( $layout['justifyContent'] ) && array_key_exists( $layout['justifyContent'], $justify_content_options ) ) {
741 262 $layout_styles[] = array(
742 263 'selector' => $selector,
743 - 'declarations' => array( 'flex-direction' => 'column' ),
264 + 'declarations' => array( 'align-items' => $justify_content_options[ $layout['justifyContent'] ] ),
744 265 );
745 - }
746 - if ( $should_output_flex_justification && ! empty( $layout_for_styles['justifyContent'] ) && array_key_exists( $layout_for_styles['justifyContent'], $justify_content_options ) ) {
266 + } else {
747 267 $layout_styles[] = array(
748 268 'selector' => $selector,
749 - 'declarations' => array( 'align-items' => $justify_content_options[ $layout_for_styles['justifyContent'] ] ),
750 - );
751 - } elseif ( $should_output_flex_justification ) {
752 - $layout_styles[] = array(
753 - 'selector' => $selector,
754 269 'declarations' => array( 'align-items' => 'flex-start' ),
755 270 );
756 271 }
757 - if ( $should_output_flex_alignment && ! empty( $layout_for_styles['verticalAlignment'] ) && array_key_exists( $layout_for_styles['verticalAlignment'], $vertical_alignment_options ) ) {
758 - $layout_styles[] = array(
759 - 'selector' => $selector,
760 - 'declarations' => array( 'justify-content' => $vertical_alignment_options[ $layout_for_styles['verticalAlignment'] ] ),
761 - );
762 - }
763 272 }
764 - } elseif ( 'grid' === $layout_type ) {
765 - /*
766 - * If the gap value is an array, we use the "left" value because it represents the vertical gap, which
767 - * is the relevant one for computation of responsive grid columns.
768 - */
769 - if ( is_array( $fallback_gap_value ) ) {
770 - $responsive_gap_value = $fallback_gap_value['left'] ?? reset( $fallback_gap_value );
771 - } else {
772 - $responsive_gap_value = $fallback_gap_value;
773 - }
774 -
775 - if ( $has_block_gap_support && isset( $gap_value ) ) {
776 - $combined_gap_value = '';
777 - $gap_sides = is_array( $gap_value ) ? array( 'top', 'left' ) : array( 'top' );
778 -
779 - foreach ( $gap_sides as $gap_side ) {
780 - $process_value = $gap_value;
781 - if ( is_array( $gap_value ) ) {
782 - if ( is_array( $fallback_gap_value ) ) {
783 - $fallback_value = $fallback_gap_value[ $gap_side ] ?? reset( $fallback_gap_value );
784 - } else {
785 - $fallback_value = $fallback_gap_value;
786 - }
787 - $process_value = $gap_value[ $gap_side ] ?? $fallback_value;
788 - }
789 - // Get spacing CSS variable from preset value if provided.
790 - if ( is_string( $process_value ) && str_contains( $process_value, 'var:preset|spacing|' ) ) {
791 - $index_to_splice = strrpos( $process_value, '|' ) + 1;
792 - $slug = _wp_to_kebab_case( substr( $process_value, $index_to_splice ) );
793 - $process_value = "var(--wp--preset--spacing--$slug)";
794 - }
795 - $combined_gap_value .= "$process_value ";
796 - }
797 - $gap_value = trim( $combined_gap_value );
798 - $responsive_gap_value = $gap_value;
799 - }
800 -
801 - // Ensure 0 values have a unit so they work in calc().
802 - if ( '0' === $responsive_gap_value || 0 === $responsive_gap_value ) {
803 - $responsive_gap_value = '0px';
804 - }
805 -
806 - $should_output_grid_columns = null === $viewport_overrides || $has_viewport_property_override( 'minimumColumnWidth' ) || $has_viewport_property_override( 'columnCount' );
807 - $uses_gap_in_grid_columns = ! empty( $layout_for_styles['columnCount'] ) && ! empty( $layout_for_styles['minimumColumnWidth'] );
808 - if ( $has_block_gap_override && $uses_gap_in_grid_columns ) {
809 - $should_output_grid_columns = true;
810 - }
811 -
812 - $should_output_grid_rows = ( null === $viewport_overrides || $has_viewport_property_override( 'rowCount' ) ) && ! empty( $layout_for_styles['columnCount'] ) && ! empty( $layout_for_styles['rowCount'] );
813 - $grid_declarations = array();
814 -
815 - if ( $should_output_grid_columns && ! empty( $layout_for_styles['columnCount'] ) && ! empty( $layout_for_styles['minimumColumnWidth'] ) ) {
816 - $max_value = 'max(min(' . $layout_for_styles['minimumColumnWidth'] . ', 100%), (100% - (' . $responsive_gap_value . ' * (' . $layout_for_styles['columnCount'] . ' - 1))) /' . $layout_for_styles['columnCount'] . ')';
817 - $grid_declarations['grid-template-columns'] = 'repeat(auto-fill, minmax(' . $max_value . ', 1fr))';
818 - } elseif ( $should_output_grid_columns && ! empty( $layout_for_styles['columnCount'] ) ) {
819 - $grid_declarations['grid-template-columns'] = 'repeat(' . $layout_for_styles['columnCount'] . ', minmax(0, 1fr))';
820 - } elseif ( $should_output_grid_columns ) {
821 - $minimum_column_width = ! empty( $layout_for_styles['minimumColumnWidth'] ) ? $layout_for_styles['minimumColumnWidth'] : '12rem';
822 - $grid_declarations['grid-template-columns'] = 'repeat(auto-fill, minmax(min(' . $minimum_column_width . ', 100%), 1fr))';
823 - }
824 -
825 - if ( ! empty( $grid_declarations ) ) {
826 - $base_has_container_type = empty( $base_layout['columnCount'] ) || ( ! empty( $base_layout['columnCount'] ) && ! empty( $base_layout['minimumColumnWidth'] ) );
827 - if ( empty( $layout_for_styles['columnCount'] ) || ! empty( $layout_for_styles['minimumColumnWidth'] ) ) {
828 - if ( null === $viewport_overrides || ! $base_has_container_type ) {
829 - $grid_declarations['container-type'] = 'inline-size';
830 - }
831 - }
832 - $layout_styles[] = array(
833 - 'selector' => $selector,
834 - 'declarations' => $grid_declarations,
835 - );
836 - }
837 -
838 - if ( $should_output_grid_rows ) {
839 - $layout_styles[] = array(
840 - 'selector' => $selector,
841 - 'declarations' => array( 'grid-template-rows' => 'repeat(' . $layout_for_styles['rowCount'] . ', minmax(1rem, auto))' ),
842 - );
843 - }
844 -
845 - if ( $has_block_gap_support && $should_output_block_gap && null !== $gap_value && ! $should_skip_gap_serialization ) {
846 - $layout_styles[] = array(
847 - 'selector' => $selector,
848 - 'declarations' => array( 'gap' => $gap_value ),
849 - );
850 - }
851 273 }
852 274
853 275 if ( ! empty( $layout_styles ) ) {
854 - if ( ! empty( $rules_group ) ) {
855 - foreach ( $layout_styles as $index => $layout_style ) {
856 - $layout_styles[ $index ]['rules_group'] = $rules_group;
857 - }
858 - }
859 -
860 276 /*
861 277 * Add to the style engine store to enqueue and render layout styles.
862 278 * Return compiled layout styles to retain backwards compatibility.
863 279 * Since https://github.com/WordPress/gutenberg/pull/42452,
@@ -875,43 +291,22 @@
875 291 return '';
876 292 }
877 293
878 294 /**
879 - * Generates an incremental ID that is independent per each different prefix.
295 + * Gets classname from last tag in a string of HTML.
880 296 *
881 - * It is similar to `wp_unique_id`, but each prefix has it's own internal ID
882 - * counter to make each prefix independent from each other. The ID starts at 1
883 - * and increments on each call. The returned value is not universally unique,
884 - * but it is unique across the life of the PHP process and it's stable per
885 - * prefix.
886 - *
887 - * @param string $prefix Prefix for the returned ID.
888 - * @return string Incremental ID per prefix.
297 + * @param string $html markup to be processed.
298 + * @return string String of inner wrapper classnames.
889 299 */
890 -function gutenberg_incremental_id_per_prefix( $prefix = '' ) {
891 - static $id_counters = array();
892 - if ( ! array_key_exists( $prefix, $id_counters ) ) {
893 - $id_counters[ $prefix ] = 0;
300 +function gutenberg_get_classnames_from_last_tag( $html ) {
301 + $tags = new WP_HTML_Tag_Processor( $html );
302 + $last_classnames = '';
303 +
304 + while ( $tags->next_tag() ) {
305 + $last_classnames = $tags->get_attribute( 'class' );
894 306 }
895 - return $prefix . (string) ++$id_counters[ $prefix ];
896 -}
897 307
898 -/**
899 - * Generates a unique ID based on the structure and values of a given array.
900 - *
901 - * This function serializes the array into a JSON string and generates a hash
902 - * that serves as a unique identifier. Optionally, a prefix can be added to
903 - * the generated ID for context or categorization.
904 - *
905 - * @param array $data The input array to generate an ID from.
906 - * @param string $prefix Optional. A prefix to prepend to the generated ID. Default ''.
907 - *
908 - * @return string The generated unique ID for the array.
909 - */
910 -function gutenberg_unique_id_from_values( array $data, string $prefix = '' ): string {
911 - $serialized = wp_json_encode( $data );
912 - $hash = substr( md5( $serialized ), 0, 8 );
913 - return $prefix . $hash;
308 + return (string) $last_classnames;
914 309 }
915 310
916 311 /**
917 312 * Renders the layout config to the block wrapper.
@@ -920,141 +315,31 @@
920 315 * @param array $block Block object.
921 316 * @return string Filtered block content.
922 317 */
923 318 function gutenberg_render_layout_support_flag( $block_content, $block ) {
924 - static $global_styles = null;
319 + $block_type = WP_Block_Type_Registry::get_instance()->get_registered( $block['blockName'] );
320 + $support_layout = block_has_support( $block_type, array( '__experimentalLayout' ), false );
925 321
926 - $block_type = WP_Block_Type_Registry::get_instance()->get_registered( $block['blockName'] );
927 - $block_supports_layout = block_has_support( $block_type, array( 'layout' ), false ) || block_has_support( $block_type, array( '__experimentalLayout' ), false );
928 - $style_attr = gutenberg_resolve_style_state_aliases(
929 - $block['attrs']['style'] ?? array(),
930 - $block['blockName']
931 - );
932 - // If there is any value in style -> layout, the block has a child layout.
933 - $child_layout = $style_attr['layout'] ?? null;
934 -
935 - // Collect responsive viewport child layout overrides so that a block with
936 - // only responsive child layout (no base child layout) is still processed.
937 - $viewport_child_layouts = array();
938 - foreach ( WP_Theme_JSON_Gutenberg::RESPONSIVE_BREAKPOINTS as $breakpoint => $media_query ) {
939 - $viewport_child = gutenberg_get_layout_child_values( $style_attr[ $breakpoint ]['layout'] ?? null );
940 - if ( ! empty( $viewport_child ) ) {
941 - $viewport_child_layouts[ $breakpoint ] = array(
942 - 'media_query' => $media_query,
943 - 'child_layout' => $viewport_child,
944 - );
945 - }
946 - }
947 -
948 - if ( ! $block_supports_layout && ! $child_layout && empty( $viewport_child_layouts ) ) {
322 + if ( ! $support_layout ) {
949 323 return $block_content;
950 324 }
951 325
952 - $outer_class_names = array();
326 + $block_gap = gutenberg_get_global_settings( array( 'spacing', 'blockGap' ) );
327 + $global_layout_settings = gutenberg_get_global_settings( array( 'layout' ) );
328 + $has_block_gap_support = isset( $block_gap ) ? null !== $block_gap : false;
329 + $default_block_layout = _wp_array_get( $block_type->supports, array( '__experimentalLayout', 'default' ), array() );
330 + $used_layout = isset( $block['attrs']['layout'] ) ? $block['attrs']['layout'] : $default_block_layout;
953 331
954 - // Child layout specific logic.
955 - if ( $child_layout || ! empty( $viewport_child_layouts ) ) {
956 - $base_child_layout = gutenberg_get_layout_child_values( $child_layout );
957 - $parent_layout = $block['parentLayout'] ?? array();
958 -
959 - /*
960 - * Generates a unique class for child block layout styles.
961 - *
962 - * To ensure consistent class generation across different page renders,
963 - * only properties that affect layout styling are used. These properties
964 - * come from `$block['attrs']['style']['layout']`, viewport overrides in
965 - * `$block['attrs']['style'][$breakpoint]['layout']`, and
966 - * `$block['parentLayout']`.
967 - *
968 - * As long as these properties coincide, the generated class will be the same.
969 - */
970 - $container_content_hash_input = array(
971 - 'layout' => $base_child_layout,
972 - 'parentLayout' => array_intersect_key(
973 - $parent_layout,
974 - array_flip( array( 'minimumColumnWidth', 'columnCount' ) )
975 - ),
976 - );
977 - foreach ( $viewport_child_layouts as $breakpoint => $viewport_data ) {
978 - $container_content_hash_input[ $breakpoint ] = $viewport_data['child_layout'];
332 + if ( isset( $used_layout['inherit'] ) && $used_layout['inherit'] ) {
333 + if ( ! $global_layout_settings ) {
334 + return $block_content;
979 335 }
980 - $container_content_class = gutenberg_unique_id_from_values(
981 - $container_content_hash_input,
982 - 'wp-container-content-'
983 - );
984 -
985 - $child_layout_styles = gutenberg_get_child_layout_style_rules(
986 - ".$container_content_class",
987 - $base_child_layout,
988 - $parent_layout
989 - );
990 -
991 - // Emit responsive child layout CSS using the same container-content class
992 - // so that base and responsive child layout share the exact same selector.
993 - foreach ( $viewport_child_layouts as $viewport_data ) {
994 - $viewport_child_styles = gutenberg_get_child_layout_style_rules(
995 - ".$container_content_class",
996 - $base_child_layout,
997 - $parent_layout,
998 - $viewport_data['child_layout']
999 - );
1000 - foreach ( $viewport_child_styles as $index => $rule ) {
1001 - $viewport_child_styles[ $index ]['rules_group'] = $viewport_data['media_query'];
1002 - }
1003 -
1004 - $child_layout_styles = array_merge( $child_layout_styles, $viewport_child_styles );
1005 - }
1006 -
1007 - /*
1008 - * Add to the style engine store to enqueue and render layout styles.
1009 - * Return styles here just to check if any exist.
1010 - */
1011 - $child_css = gutenberg_style_engine_get_stylesheet_from_css_rules(
1012 - $child_layout_styles,
1013 - array(
1014 - 'context' => 'block-supports',
1015 - 'prettify' => false,
1016 - )
1017 - );
1018 -
1019 - if ( $child_css ) {
1020 - $outer_class_names[] = $container_content_class;
1021 - }
1022 336 }
1023 337
1024 - // Prep the processor for modifying the block output.
1025 - $processor = new WP_HTML_Tag_Processor( $block_content );
1026 -
1027 - // Having no tags implies there are no tags onto which to add class names.
1028 - if ( ! $processor->next_tag() ) {
1029 - return $block_content;
1030 - }
1031 -
1032 - /*
1033 - * A block may not support layout but still be affected by a parent block's layout.
1034 - *
1035 - * In these cases add the appropriate class names and then return early; there's
1036 - * no need to investigate on this block whether additional layout constraints apply.
1037 - */
1038 - if ( ! $block_supports_layout && ! empty( $outer_class_names ) ) {
1039 - foreach ( $outer_class_names as $class_name ) {
1040 - $processor->add_class( $class_name );
1041 - }
1042 - return $processor->get_updated_html();
1043 - } elseif ( ! $block_supports_layout ) {
1044 - // Ensure layout classnames are not injected if there is no layout support.
1045 - return $block_content;
1046 - }
1047 -
1048 - $global_settings = gutenberg_get_global_settings();
1049 - $fallback_layout = $block_type->supports['layout']['default'] ?? array();
1050 - if ( empty( $fallback_layout ) ) {
1051 - $fallback_layout = $block_type->supports['__experimentalLayout']['default'] ?? array();
1052 - }
1053 - $used_layout = $block['attrs']['layout'] ?? $fallback_layout;
1054 -
1055 338 $class_names = array();
1056 - $layout_definitions = gutenberg_get_layout_definitions();
339 + $layout_definitions = _wp_array_get( $global_layout_settings, array( 'definitions' ), array() );
340 + $container_class = wp_unique_id( 'wp-container-' );
341 + $layout_classname = '';
1057 342
1058 343 // Set the correct layout type for blocks using legacy content width.
1059 344 if ( isset( $used_layout['inherit'] ) && $used_layout['inherit'] || isset( $used_layout['contentSize'] ) && $used_layout['contentSize'] ) {
1060 345 $used_layout['type'] = 'constrained';
@@ -1059,11 +344,13 @@
1059 344 if ( isset( $used_layout['inherit'] ) && $used_layout['inherit'] || isset( $used_layout['contentSize'] ) && $used_layout['contentSize'] ) {
1060 345 $used_layout['type'] = 'constrained';
1061 346 }
1062 347
1063 - $root_padding_aware_alignments = $global_settings['useRootPaddingAwareAlignments'] ?? false;
1064 -
1065 - if ( $root_padding_aware_alignments && isset( $used_layout['type'] ) && 'constrained' === $used_layout['type'] ) {
348 + if (
349 + gutenberg_get_global_settings( array( 'useRootPaddingAwareAlignments' ) ) &&
350 + isset( $used_layout['type'] ) &&
351 + 'constrained' === $used_layout['type']
352 + ) {
1066 353 $class_names[] = 'has-global-padding';
1067 354 }
1068 355
1069 356 /*
@@ -1085,11 +372,11 @@
1085 372 }
1086 373
1087 374 // Get classname for layout type.
1088 375 if ( isset( $used_layout['type'] ) ) {
1089 - $layout_classname = $layout_definitions[ $used_layout['type'] ]['className'] ?? '';
376 + $layout_classname = _wp_array_get( $layout_definitions, array( $used_layout['type'], 'className' ), '' );
1090 377 } else {
1091 - $layout_classname = $layout_definitions['default']['className'] ?? '';
378 + $layout_classname = _wp_array_get( $layout_definitions, array( 'default', 'className' ), '' );
1092 379 }
1093 380
1094 381 if ( $layout_classname && is_string( $layout_classname ) ) {
1095 382 $class_names[] = sanitize_title( $layout_classname );
@@ -1100,93 +387,34 @@
1100 387 * Attribute-based Layout classnames are output in all cases.
1101 388 */
1102 389 if ( ! current_theme_supports( 'disable-layout-styles' ) ) {
1103 390
1104 - $gap_value = gutenberg_sanitize_block_gap_value( $block['attrs']['style']['spacing']['blockGap'] ?? null );
391 + $gap_value = _wp_array_get( $block, array( 'attrs', 'style', 'spacing', 'blockGap' ) );
1105 392
1106 - $fallback_gap_value = $block_type->supports['spacing']['blockGap']['__experimentalDefault'] ?? '0.5em';
1107 - $block_spacing = $block['attrs']['style']['spacing'] ?? null;
1108 -
1109 393 /*
1110 - * If a block's block.json skips serialization for spacing or spacing.blockGap,
1111 - * don't apply the user-defined value to the styles.
394 + * Skip if gap value contains unsupported characters.
395 + * Regex for CSS value borrowed from `safecss_filter_attr`, and used here
396 + * to only match against the value, not the CSS attribute.
1112 397 */
1113 - $should_skip_gap_serialization = wp_should_skip_block_supports_serialization( $block_type, 'spacing', 'blockGap' );
1114 -
1115 - $block_gap = $global_settings['spacing']['blockGap'] ?? null;
1116 - $has_block_gap_support = isset( $block_gap );
1117 -
1118 - // Get default blockGap value from global styles for use in layouts like grid.
1119 - // Check style variation first, then block-specific styles, then fall back to root styles.
1120 - $block_name = $block['blockName'] ?? '';
1121 - if ( null === $global_styles ) {
1122 - $global_styles = gutenberg_get_global_styles();
1123 - }
1124 -
1125 - // Check if the block has an active style variation with a blockGap value.
1126 - // Only check the registry if the className contains a variation class to avoid unnecessary lookups.
1127 - $variation_block_gap_value = null;
1128 - $block_class_name = $block['attrs']['className'] ?? '';
1129 - if ( $block_class_name && str_contains( $block_class_name, 'is-style-' ) && $block_name ) {
1130 - $styles_registry = WP_Block_Styles_Registry::get_instance();
1131 - $registered_styles = $styles_registry->get_registered_styles_for_block( $block_name );
1132 - $variation_name = gutenberg_get_block_style_variation_name_from_registered_style( $block_class_name, $registered_styles );
1133 - if ( $variation_name ) {
1134 - $variation_block_gap_value = $global_styles['blocks'][ $block_name ]['variations'][ $variation_name ]['spacing']['blockGap'] ?? null;
398 + if ( is_array( $gap_value ) ) {
399 + foreach ( $gap_value as $key => $value ) {
400 + $gap_value[ $key ] = $value && preg_match( '%[\\\(&=}]|/\*%', $value ) ? null : $value;
1135 401 }
402 + } else {
403 + $gap_value = $gap_value && preg_match( '%[\\\(&=}]|/\*%', $gap_value ) ? null : $gap_value;
1136 404 }
1137 405
1138 - $global_block_gap_value = $variation_block_gap_value ?? $global_styles['blocks'][ $block_name ]['spacing']['blockGap'] ?? $global_styles['spacing']['blockGap'] ?? null;
406 + $fallback_gap_value = _wp_array_get( $block_type->supports, array( 'spacing', 'blockGap', '__experimentalDefault' ), '0.5em' );
407 + $block_spacing = _wp_array_get( $block, array( 'attrs', 'style', 'spacing' ), null );
1139 408
1140 - if ( null !== $global_block_gap_value ) {
1141 - $fallback_gap_value = $global_block_gap_value;
1142 - }
1143 -
1144 409 /*
1145 - * We generate a unique ID based on all the data required to obtain the
1146 - * corresponding layout style. This way, the CSS class names keep the same
1147 - * even for different blocks with the same layout definition. We need this to
1148 - * make the CSS class names stable across paginations for features like the
1149 - * enhanced pagination of the Query block.
410 + * If a block's block.json skips serialization for spacing or spacing.blockGap,
411 + * don't apply the user-defined value to the styles.
1150 412 */
1151 - $container_class_hash_input = array(
1152 - $used_layout,
1153 - $has_block_gap_support,
1154 - $gap_value,
1155 - $should_skip_gap_serialization,
1156 - $fallback_gap_value,
1157 - $block_spacing,
1158 - );
413 + $should_skip_gap_serialization = gutenberg_should_skip_block_supports_serialization( $block_type, 'spacing', 'blockGap' );
1159 414
1160 - foreach ( array_keys( WP_Theme_JSON_Gutenberg::RESPONSIVE_BREAKPOINTS ) as $breakpoint ) {
1161 - $viewport_style = $style_attr[ $breakpoint ] ?? null;
1162 - if ( ! is_array( $viewport_style ) ) {
1163 - continue;
1164 - }
1165 -
1166 - $viewport_container_layout = gutenberg_get_layout_container_values( $viewport_style['layout'] ?? null );
1167 - if ( ! empty( $viewport_container_layout ) ) {
1168 - $container_class_hash_input[] = array(
1169 - 'breakpoint' => $breakpoint,
1170 - 'layout' => $viewport_container_layout,
1171 - );
1172 - }
1173 -
1174 - if ( isset( $viewport_style['spacing']['blockGap'] ) ) {
1175 - $container_class_hash_input[] = array(
1176 - 'breakpoint' => $breakpoint,
1177 - 'blockGap' => gutenberg_sanitize_block_gap_value( $viewport_style['spacing']['blockGap'] ),
1178 - );
1179 - }
1180 - }
1181 -
1182 - $container_class = gutenberg_unique_id_from_values(
1183 - $container_class_hash_input,
1184 - 'wp-container-' . sanitize_title( $block['blockName'] ) . '-is-layout-'
1185 - );
1186 -
1187 415 $style = gutenberg_get_layout_style(
1188 - ".$container_class",
416 + ".$container_class.$container_class",
1189 417 $used_layout,
1190 418 $has_block_gap_support,
1191 419 $gap_value,
1192 420 $should_skip_gap_serialization,
@@ -1197,195 +425,30 @@
1197 425 // Only add container class and enqueue block support styles if unique styles were generated.
1198 426 if ( ! empty( $style ) ) {
1199 427 $class_names[] = $container_class;
1200 428 }
1201 -
1202 - /*
1203 - * Emit responsive container layout styles using the same $container_class
1204 - * selector as the base layout so they target the inner block wrapper.
1205 - */
1206 - foreach ( WP_Theme_JSON_Gutenberg::RESPONSIVE_BREAKPOINTS as $breakpoint => $media_query ) {
1207 - $viewport_style = $style_attr[ $breakpoint ] ?? null;
1208 - if ( ! is_array( $viewport_style ) ) {
1209 - continue;
1210 - }
1211 -
1212 - $viewport_container_layout = gutenberg_get_layout_container_values( $viewport_style['layout'] ?? null );
1213 - $has_viewport_layout = ! empty( $viewport_container_layout );
1214 - $has_viewport_block_gap = isset( $viewport_style['spacing']['blockGap'] );
1215 -
1216 - if ( ! $has_viewport_layout && ! $has_viewport_block_gap ) {
1217 - continue;
1218 - }
1219 -
1220 - $viewport_gap_value = $has_viewport_block_gap
1221 - ? gutenberg_sanitize_block_gap_value( $viewport_style['spacing']['blockGap'] )
1222 - : $gap_value;
1223 - $viewport_block_spacing = is_array( $viewport_style['spacing'] ?? null )
1224 - ? array_replace( is_array( $block_spacing ) ? $block_spacing : array(), $viewport_style['spacing'] )
1225 - : $block_spacing;
1226 -
1227 - $viewport_styles = gutenberg_get_layout_style(
1228 - ".$container_class",
1229 - $used_layout,
1230 - $has_block_gap_support,
1231 - $viewport_gap_value,
1232 - $should_skip_gap_serialization,
1233 - $fallback_gap_value,
1234 - $viewport_block_spacing,
1235 - array(
1236 - 'rules_group' => $media_query,
1237 - 'viewport_overrides' => $viewport_container_layout,
1238 - 'has_block_gap_override' => $has_viewport_block_gap,
1239 - )
1240 - );
1241 -
1242 - if ( ! empty( $viewport_styles ) && ! in_array( $container_class, $class_names, true ) ) {
1243 - $class_names[] = $container_class;
1244 - }
1245 - }
1246 429 }
1247 430
1248 - // Add combined layout and block classname for global styles to hook onto.
1249 - $split_block_name = explode( '/', $block['blockName'] );
1250 - $full_block_name = 'core' === $split_block_name[0] ? end( $split_block_name ) : implode( '-', $split_block_name );
1251 - $class_names[] = 'wp-block-' . $full_block_name . '-' . $layout_classname;
431 + /**
432 + * The first chunk of innerContent contains the block markup up until the inner blocks start.
433 + * We want to target the opening tag of the inner blocks wrapper, which is the last tag in that chunk.
434 + */
435 + $inner_content_classnames = isset( $block['innerContent'][0] ) && 'string' === gettype( $block['innerContent'][0] ) ? gutenberg_get_classnames_from_last_tag( $block['innerContent'][0] ) : '';
1252 436
1253 - // Add classes to the outermost HTML tag if necessary.
1254 - if ( ! empty( $outer_class_names ) ) {
1255 - foreach ( $outer_class_names as $outer_class_name ) {
1256 - $processor->add_class( $outer_class_name );
437 + $content = new WP_HTML_Tag_Processor( $block_content );
438 + if ( $inner_content_classnames ) {
439 + $content->next_tag( array( 'class_name' => $inner_content_classnames ) );
440 + foreach ( $class_names as $class_name ) {
441 + $content->add_class( $class_name );
1257 442 }
443 + } else {
444 + $content->next_tag();
445 + $content->add_class( implode( ' ', $class_names ) );
1258 446 }
1259 447
1260 - /*
1261 - * Attempts to refer to the inner-block wrapping element by its class attribute.
1262 - *
1263 - * When examining a block's inner content, if a block has inner blocks, then
1264 - * the first content item will likely be a text (HTML) chunk immediately
1265 - * preceding the inner blocks. The last HTML tag in that chunk would then be
1266 - * an opening tag for an element that wraps the inner blocks.
1267 - *
1268 - * There's no reliable way to associate this wrapper in $block_content because
1269 - * it may have changed during the rendering pipeline (as inner contents is
1270 - * provided before rendering) and through previous filters. In many cases,
1271 - * however, the `class` attribute will be a good-enough identifier, so this
1272 - * code finds the last tag in that chunk and stores the `class` attribute
1273 - * so that it can be used later when working through the rendered block output
1274 - * to identify the wrapping element and add the remaining class names to it.
1275 - *
1276 - * It's also possible that no inner block wrapper even exists. If that's the
1277 - * case this code could apply the class names to an invalid element.
1278 - *
1279 - * Example:
1280 - *
1281 - * $block['innerBlocks'] = array( $list_item );
1282 - * $block['innerContent'] = array( '<ul class="list-wrapper is-unordered">', null, '</ul>' );
1283 - *
1284 - * // After rendering, the initial contents may have been modified by other renderers or filters.
1285 - * $block_content = <<<HTML
1286 - * <figure>
1287 - * <ul class="annotated-list list-wrapper is-unordered">
1288 - * <li>Code</li>
1289 - * </ul><figcaption>It's a list!</figcaption>
1290 - * </figure>
1291 - * HTML;
1292 - *
1293 - * Although it is possible that the original block-wrapper classes are changed in $block_content
1294 - * from how they appear in $block['innerContent'], it's likely that the original class attributes
1295 - * are still present in the wrapper as they are in this example. Frequently, additional classes
1296 - * will also be present; rarely should classes be removed.
1297 - *
1298 - * @todo Find a better way to match the first inner block. If it's possible to identify where the
1299 - * first inner block starts, then it will be possible to find the last tag before it starts
1300 - * and then that tag, if an opening tag, can be solidly identified as a wrapping element.
1301 - * Can some unique value or class or ID be added to the inner blocks when they process
1302 - * so that they can be extracted here safely without guessing? Can the block rendering function
1303 - * return information about where the rendered inner blocks start?
1304 - *
1305 - * @var string|null
1306 - */
1307 - $inner_block_wrapper_classes = null;
1308 - $first_chunk = $block['innerContent'][0] ?? null;
1309 - if ( is_string( $first_chunk ) && count( $block['innerContent'] ) > 1 ) {
1310 - $first_chunk_processor = new WP_HTML_Tag_Processor( $first_chunk );
1311 - /*
1312 - * Use a stack to track open elements as tags are visited. Void elements
1313 - * (those without a matching closing tag) are excluded so they don't
1314 - * accumulate on the stack. At the end of the chunk, every element still
1315 - * on the stack is unclosed — meaning its closing tag lives in a later
1316 - * innerContent entry alongside the inner blocks, which makes it the
1317 - * inner-block container. Elements that open and close within this chunk
1318 - * are siblings that precede the inner blocks and should be ignored.
1319 - * The last unclosed element with a class attribute is the best candidate
1320 - * for the inner-block wrapper.
1321 - */
1322 - $tag_stack = array();
1323 - while ( $first_chunk_processor->next_tag( array( 'tag_closers' => 'visit' ) ) ) {
1324 - if ( $first_chunk_processor->is_tag_closer() ) {
1325 - array_pop( $tag_stack );
1326 - } elseif ( ! WP_HTML_Processor::is_void( $first_chunk_processor->get_tag() ) ) {
1327 - $tag_stack[] = $first_chunk_processor->get_attribute( 'class' );
1328 - }
1329 - }
1330 - foreach ( array_reverse( $tag_stack ) as $class_attribute ) {
1331 - if ( is_string( $class_attribute ) && ! empty( $class_attribute ) ) {
1332 - $inner_block_wrapper_classes = $class_attribute;
1333 - break;
1334 - }
1335 - }
1336 - }
1337 -
1338 - /*
1339 - * If necessary, advance to what is likely to be an inner block wrapper tag.
1340 - *
1341 - * This advances until it finds the first tag containing the original class
1342 - * attribute from above. If none is found it will scan to the end of the block
1343 - * and fail to add any class names.
1344 - *
1345 - * If there is no block wrapper it won't advance at all, in which case the
1346 - * class names will be added to the first and outermost tag of the block.
1347 - * For cases where this outermost tag is the only tag surrounding inner
1348 - * blocks then the outer wrapper and inner wrapper are the same.
1349 - */
1350 - do {
1351 - if ( ! $inner_block_wrapper_classes ) {
1352 - break;
1353 - }
1354 -
1355 - $class_attribute = $processor->get_attribute( 'class' );
1356 - if ( is_string( $class_attribute ) && str_contains( $class_attribute, $inner_block_wrapper_classes ) ) {
1357 - break;
1358 - }
1359 - } while ( $processor->next_tag() );
1360 -
1361 - // Add the remaining class names.
1362 - foreach ( $class_names as $class_name ) {
1363 - $processor->add_class( $class_name );
1364 - }
1365 -
1366 - return $processor->get_updated_html();
448 + return (string) $content;
1367 449 }
1368 450
1369 -/*
1370 - * Add a `render_block_data` filter to fetch the parent block layout data.
1371 - */
1372 -add_filter(
1373 - 'render_block_data',
1374 - function ( $parsed_block, $source_block, $parent_block ) {
1375 - /*
1376 - * Check if the parent block exists and if it has a layout attribute.
1377 - * If it does, add the parent layout to the parsed block.
1378 - */
1379 - if ( $parent_block && isset( $parent_block->parsed_block['attrs']['layout'] ) ) {
1380 - $parsed_block['parentLayout'] = $parent_block->parsed_block['attrs']['layout'];
1381 - }
1382 - return $parsed_block;
1383 - },
1384 - 10,
1385 - 3
1386 -);
1387 -
1388 451 // Register the block support. (overrides core one).
1389 452 WP_Block_Supports::get_instance()->register(
1390 453 'layout',
1391 454 array(
@@ -1407,9 +470,9 @@
1407 470 * @param array $block Block object.
1408 471 * @return string Filtered block content.
1409 472 */
1410 473 function gutenberg_restore_group_inner_container( $block_content, $block ) {
1411 - $tag_name = $block['attrs']['tagName'] ?? 'div';
474 + $tag_name = isset( $block['attrs']['tagName'] ) ? $block['attrs']['tagName'] : 'div';
1412 475 $group_with_inner_container_regex = sprintf(
1413 476 '/(^\s*<%1$s\b[^>]*wp-block-group(\s|")[^>]*>)(\s*<div\b[^>]*wp-block-group__inner-container(\s|")[^>]*>)((.|\S|\s)*)/U',
1414 477 preg_quote( $tag_name, '/' )
1415 478 );
@@ -1415,62 +478,34 @@
1415 478 );
1416 479 if (
1417 480 wp_theme_has_theme_json() ||
1418 481 1 === preg_match( $group_with_inner_container_regex, $block_content ) ||
1419 - ( isset( $block['attrs']['layout']['type'] ) && ( 'flex' === $block['attrs']['layout']['type'] || 'grid' === $block['attrs']['layout']['type'] ) )
482 + ( isset( $block['attrs']['layout']['type'] ) && 'flex' === $block['attrs']['layout']['type'] )
1420 483 ) {
1421 484 return $block_content;
1422 485 }
1423 486
1424 - /*
1425 - * This filter runs after the layout classnames have been added to the block, so they
1426 - * have to be removed from the outer wrapper and then added to the inner.
1427 - */
1428 - $layout_classes = array();
1429 - $processor = new WP_HTML_Tag_Processor( $block_content );
1430 -
1431 - if ( $processor->next_tag( array( 'class_name' => 'wp-block-group' ) ) ) {
1432 - foreach ( $processor->class_list() as $class_name ) {
1433 - if ( str_contains( $class_name, 'layout' ) ) {
1434 - array_push( $layout_classes, $class_name );
1435 - $processor->remove_class( $class_name );
1436 - }
1437 - }
1438 - }
1439 -
1440 - $content_without_layout_classes = $processor->get_updated_html();
1441 - $replace_regex = sprintf(
487 + $replace_regex = sprintf(
1442 488 '/(^\s*<%1$s\b[^>]*wp-block-group[^>]*>)(.*)(<\/%1$s>\s*$)/ms',
1443 489 preg_quote( $tag_name, '/' )
1444 490 );
1445 - $updated_content = preg_replace_callback(
491 + $updated_content = preg_replace_callback(
1446 492 $replace_regex,
1447 - static function ( $matches ) {
493 + function( $matches ) {
1448 494 return $matches[1] . '<div class="wp-block-group__inner-container">' . $matches[2] . '</div>' . $matches[3];
1449 495 },
1450 - $content_without_layout_classes
496 + $block_content
1451 497 );
1452 -
1453 - // Add layout classes to inner wrapper.
1454 - if ( ! empty( $layout_classes ) ) {
1455 - $processor = new WP_HTML_Tag_Processor( $updated_content );
1456 - if ( $processor->next_tag( array( 'class_name' => 'wp-block-group__inner-container' ) ) ) {
1457 - foreach ( $layout_classes as $class_name ) {
1458 - $processor->add_class( $class_name );
1459 - }
1460 - }
1461 - $updated_content = $processor->get_updated_html();
1462 - }
1463 -
1464 498 return $updated_content;
1465 499 }
1466 500
1467 501 if ( function_exists( 'wp_restore_group_inner_container' ) ) {
1468 - remove_filter( 'render_block', 'wp_restore_group_inner_container', 10 );
1469 - remove_filter( 'render_block_core/group', 'wp_restore_group_inner_container', 10 );
502 + remove_filter( 'render_block', 'wp_restore_group_inner_container', 10, 2 );
503 + remove_filter( 'render_block_core/group', 'wp_restore_group_inner_container', 10, 2 );
1470 504 }
1471 505 add_filter( 'render_block_core/group', 'gutenberg_restore_group_inner_container', 10, 2 );
1472 506
507 +
1473 508 /**
1474 509 * For themes without theme.json file, make sure
1475 510 * to restore the outer div for the aligned image block
1476 511 * to avoid breaking styles relying on that div.
@@ -1479,57 +514,54 @@
1479 514 * @param array $block Block object.
1480 515 * @return string Filtered block content.
1481 516 */
1482 517 function gutenberg_restore_image_outer_container( $block_content, $block ) {
1483 - if ( wp_theme_has_theme_json() ) {
1484 - return $block_content;
1485 - }
518 + $image_with_align = "
519 +/# 1) everything up to the class attribute contents
520 +(
521 + ^\s*
522 + <figure\b
523 + [^>]*
524 + \bclass=
525 + [\"']
526 +)
527 +# 2) the class attribute contents
528 +(
529 + [^\"']*
530 + \bwp-block-image\b
531 + [^\"']*
532 + \b(?:alignleft|alignright|aligncenter)\b
533 + [^\"']*
534 +)
535 +# 3) everything after the class attribute contents
536 +(
537 + [\"']
538 + [^>]*
539 + >
540 + .*
541 + <\/figure>
542 +)/iUx";
1486 543
1487 - $figure_processor = new WP_HTML_Tag_Processor( $block_content );
1488 544 if (
1489 - ! $figure_processor->next_tag( 'FIGURE' ) ||
1490 - ! $figure_processor->has_class( 'wp-block-image' ) ||
1491 - ! (
1492 - $figure_processor->has_class( 'alignleft' ) ||
1493 - $figure_processor->has_class( 'aligncenter' ) ||
1494 - $figure_processor->has_class( 'alignright' )
1495 - )
545 + wp_theme_has_theme_json() ||
546 + 0 === preg_match( $image_with_align, $block_content, $matches )
1496 547 ) {
1497 548 return $block_content;
1498 549 }
1499 550
1500 - /*
1501 - * The next section of code wraps the existing figure in a new DIV element.
1502 - * While doing it, it needs to transfer the layout and the additional CSS
1503 - * class names from the original figure upward to the wrapper.
1504 - *
1505 - * Example:
1506 - *
1507 - * // From this…
1508 - * <!-- wp:image {"className":"hires"} -->
1509 - * <figure class="wp-block-image wide hires">…
1510 - *
1511 - * // To this…
1512 - * <div class="wp-block-image hires"><figure class="wide">…
1513 - */
1514 - $wrapper_processor = new WP_HTML_Tag_Processor( '<div>' );
1515 - $wrapper_processor->next_token();
1516 - $wrapper_processor->set_attribute(
1517 - 'class',
1518 - is_string( $block['attrs']['className'] ?? null )
1519 - ? "wp-block-image {$block['attrs']['className']}"
1520 - : 'wp-block-image'
1521 - );
551 + $wrapper_classnames = array( 'wp-block-image' );
1522 552
1523 - // And remove them from the existing content; it has been transferred upward.
1524 - $figure_processor->remove_class( 'wp-block-image' );
1525 - foreach ( $wrapper_processor->class_list() as $class_name ) {
1526 - $figure_processor->remove_class( $class_name );
553 + // If the block has a classNames attribute these classnames need to be removed from the content and added back
554 + // to the new wrapper div also.
555 + if ( ! empty( $block['attrs']['className'] ) ) {
556 + $wrapper_classnames = array_merge( $wrapper_classnames, explode( ' ', $block['attrs']['className'] ) );
1527 557 }
558 + $content_classnames = explode( ' ', $matches[2] );
559 + $filtered_content_classnames = array_diff( $content_classnames, $wrapper_classnames );
1528 560
1529 - return "{$wrapper_processor->get_updated_html()}{$figure_processor->get_updated_html()}</div>";
561 + return '<div class="' . implode( ' ', $wrapper_classnames ) . '">' . $matches[1] . implode( ' ', $filtered_content_classnames ) . $matches[3] . '</div>';
1530 562 }
1531 563
1532 564 if ( function_exists( 'wp_restore_image_outer_container' ) ) {
1533 - remove_filter( 'render_block_core/image', 'wp_restore_image_outer_container', 10 );
565 + remove_filter( 'render_block_core/image', 'wp_restore_image_outer_container', 10, 2 );
1534 566 }
1535 567 add_filter( 'render_block_core/image', 'gutenberg_restore_image_outer_container', 10, 2 );