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Gutenberg / 10.1.0
Gutenberg v10.1.0
24.0.0 23.9.1 23.9.0 23.8.0 23.7.2 23.7.1 23.7.0 23.6.1 23.6.2 23.6.0 23.5.3 23.5.2 23.5.1 23.5.0 23.4.0 23.3.2 23.3.1 23.3.0 23.2.0 23.2.1 23.2.2 23.1.1 23.1.0 23.0.1 12.6.0 All 403 releases
← All changes | lib/blocks.php +239 -249 23.5.010.1.0 View file →
@@ -1,7 +1,7 @@
1 1 <?php
2 2 /**
3 - * Block functions specific for the Gutenberg editor plugin.
3 + * Block and style registration functions.
4 4 *
5 5 * @package gutenberg
6 6 */
7 7
@@ -9,94 +9,153 @@
9 9 * Substitutes the implementation of a core-registered block type, if exists,
10 10 * with the built result from the plugin.
11 11 */
12 12 function gutenberg_reregister_core_block_types() {
13 + // Blocks directory may not exist if working from a fresh clone.
13 14 $blocks_dirs = array(
14 - __DIR__ . '/../build/scripts/block-library/',
15 - __DIR__ . '/../build/scripts/edit-widgets/blocks/',
16 - __DIR__ . '/../build/scripts/widgets/blocks/',
15 + __DIR__ . '/../build/block-library/blocks/' => array(
16 + 'block_folders' => array(
17 + 'audio',
18 + 'button',
19 + 'buttons',
20 + 'freeform',
21 + 'code',
22 + 'column',
23 + 'columns',
24 + 'file',
25 + 'gallery',
26 + 'group',
27 + 'heading',
28 + 'html',
29 + 'image',
30 + 'list',
31 + 'media-text',
32 + 'missing',
33 + 'more',
34 + 'navigation-link',
35 + 'nextpage',
36 + 'paragraph',
37 + 'preformatted',
38 + 'pullquote',
39 + 'quote',
40 + 'separator',
41 + 'social-links',
42 + 'spacer',
43 + 'subhead',
44 + 'table',
45 + 'text-columns',
46 + 'verse',
47 + 'video',
48 + 'embed',
49 + ),
50 + 'block_names' => array_merge(
51 + array(
52 + 'archives.php' => 'core/archives',
53 + 'block.php' => 'core/block',
54 + 'calendar.php' => 'core/calendar',
55 + 'categories.php' => 'core/categories',
56 + 'cover.php' => 'core/cover',
57 + 'latest-comments.php' => 'core/latest-comments',
58 + 'latest-posts.php' => 'core/latest-posts',
59 + 'navigation.php' => 'core/navigation',
60 + 'navigation-link.php' => 'core/navigation-link',
61 + 'rss.php' => 'core/rss',
62 + 'search.php' => 'core/search',
63 + 'shortcode.php' => 'core/shortcode',
64 + 'social-link.php' => 'core/social-link',
65 + 'tag-cloud.php' => 'core/tag-cloud',
66 + 'page-list.php' => 'core/page-list',
67 + 'post-author.php' => 'core/post-author',
68 + 'post-comment.php' => 'core/post-comment',
69 + 'post-comment-author.php' => 'core/post-comment-author',
70 + 'post-comment-content.php' => 'core/post-comment-content',
71 + 'post-comment-date.php' => 'core/post-comment-date',
72 + 'post-comments.php' => 'core/post-comments',
73 + 'post-comments-count.php' => 'core/post-comments-count',
74 + 'post-comments-form.php' => 'core/post-comments-form',
75 + 'post-content.php' => 'core/post-content',
76 + 'post-date.php' => 'core/post-date',
77 + 'post-excerpt.php' => 'core/post-excerpt',
78 + 'post-featured-image.php' => 'core/post-featured-image',
79 + 'post-hierarchical-terms.php' => 'core/post-hierarchical-terms',
80 + 'post-navigation-link.php' => 'core/post-navigation-link',
81 + 'post-tags.php' => 'core/post-tags',
82 + 'post-title.php' => 'core/post-title',
83 + 'query.php' => 'core/query',
84 + 'query-loop.php' => 'core/query-loop',
85 + 'query-pagination.php' => 'core/query-pagination',
86 + 'query-pagination-next.php' => 'core/query-pagination-next',
87 + 'query-pagination-numbers.php' => 'core/query-pagination-numbers',
88 + 'query-pagination-previous.php' => 'core/query-pagination-previous',
89 + 'site-logo.php' => 'core/site-logo',
90 + 'site-tagline.php' => 'core/site-tagline',
91 + 'site-title.php' => 'core/site-title',
92 + 'template-part.php' => 'core/template-part',
93 + )
94 + ),
95 + ),
96 + __DIR__ . '/../build/edit-widgets/blocks/' => array(
97 + 'block_folders' => array(
98 + 'legacy-widget',
99 + 'widget-area',
100 + ),
101 + 'block_names' => array(
102 + 'legacy-widget.php' => 'core/legacy-widget',
103 + 'widget-area.php' => 'core/widget-area',
104 + ),
105 + ),
17 106 );
107 + foreach ( $blocks_dirs as $blocks_dir => $details ) {
108 + $block_folders = $details['block_folders'];
109 + $block_names = $details['block_names'];
18 110
19 - foreach ( $blocks_dirs as $blocks_dir ) {
20 - $manifest_path = $blocks_dir . 'blocks-manifest.php';
21 - $blocks = require $manifest_path;
111 + $registry = WP_Block_Type_Registry::get_instance();
22 112
23 - foreach ( $blocks as $block_name_folder => $metadata ) {
24 - if ( ! is_array( $metadata ) || ! isset( $metadata['name'] ) ) {
25 - continue;
113 + foreach ( $block_folders as $folder_name ) {
114 + $block_json_file = $blocks_dir . $folder_name . '/block.json';
115 +
116 + // Ideally, all paths to block metadata files should be listed in
117 + // WordPress core. In this place we should rather use filter
118 + // to replace paths with overrides defined by the plugin.
119 + $metadata = json_decode( file_get_contents( $block_json_file ), true );
120 + if ( ! is_array( $metadata ) || ! $metadata['name'] ) {
121 + return false;
26 122 }
27 123
28 - gutenberg_deregister_core_block_and_assets( $metadata['name'] );
29 - gutenberg_register_core_block_assets( $block_name_folder );
30 -
31 - $php_file = $blocks_dir . $block_name_folder . '.php';
32 - if ( file_exists( $php_file ) ) {
33 - require_once $php_file;
34 - } else {
35 - register_block_type_from_metadata( $blocks_dir . $block_name_folder );
124 + if ( $registry->is_registered( $metadata['name'] ) ) {
125 + $registry->unregister( $metadata['name'] );
36 126 }
37 - }
38 - }
39 -}
40 127
41 -add_action( 'init', 'gutenberg_reregister_core_block_types' );
42 -
43 -/**
44 - * Adds the defer loading strategy to all registered blocks.
45 - *
46 - * This function would not be part of core merge. Instead, the register_block_script_handle() function would be patched
47 - * as follows.
48 - *
49 - * ```
50 - * --- a/wp-includes/blocks.php
51 - * +++ b/wp-includes/blocks.php
52 - * @ @ -153,7 +153,8 @ @ function register_block_script_handle( $metadata, $field_name, $index = 0 ) {
53 - * $script_handle,
54 - * $script_uri,
55 - * $script_dependencies,
56 - * - $script_asset['version'] ?? false
57 - * + $script_asset['version'] ?? false,
58 - * + array( 'strategy' => 'defer' )
59 - * );
60 - * if ( ! $result ) {
61 - * return false;
62 - * ```
63 - *
64 - * @see register_block_script_handle()
65 - */
66 -function gutenberg_defer_block_view_scripts() {
67 - $block_types = WP_Block_Type_Registry::get_instance()->get_all_registered();
68 - foreach ( $block_types as $block_type ) {
69 - foreach ( $block_type->view_script_handles as $view_script_handle ) {
70 - wp_script_add_data( $view_script_handle, 'strategy', 'defer' );
128 + gutenberg_register_core_block_styles( $folder_name );
129 + register_block_type_from_metadata( $block_json_file );
71 130 }
72 - }
73 -}
74 131
75 -add_action( 'init', 'gutenberg_defer_block_view_scripts', 100 );
132 + foreach ( $block_names as $file => $block_names ) {
133 + if ( ! file_exists( $blocks_dir . $file ) ) {
134 + return;
135 + }
76 136
77 -/**
78 - * Deregisters the existing core block type and its assets.
79 - *
80 - * @param string $block_name The name of the block.
81 - *
82 - * @return void
83 - */
84 -function gutenberg_deregister_core_block_and_assets( $block_name ) {
85 - $registry = WP_Block_Type_Registry::get_instance();
86 - if ( $registry->is_registered( $block_name ) ) {
87 - $block_type = $registry->get_registered( $block_name );
88 - if ( ! empty( $block_type->view_script_handles ) ) {
89 - foreach ( $block_type->view_script_handles as $view_script_handle ) {
90 - if ( str_starts_with( $view_script_handle, 'wp-block-' ) ) {
91 - wp_deregister_script( $view_script_handle );
137 + if ( is_string( $block_names ) ) {
138 + if ( $registry->is_registered( $block_names ) ) {
139 + $registry->unregister( $block_names );
92 140 }
141 + gutenberg_register_core_block_styles( $block_names );
142 + } elseif ( is_array( $block_names ) ) {
143 + foreach ( $block_names as $block_name ) {
144 + if ( $registry->is_registered( $block_name ) ) {
145 + $registry->unregister( $block_name );
146 + }
147 + gutenberg_register_core_block_styles( $block_name );
148 + }
93 149 }
150 +
151 + require $blocks_dir . $file;
94 152 }
95 - $registry->unregister( $block_name );
96 153 }
97 154 }
98 155
156 +add_action( 'init', 'gutenberg_reregister_core_block_types' );
157 +
99 158 /**
100 159 * Registers block styles for a core block.
101 160 *
102 161 * @param string $block_name The block-name.
@@ -102,92 +161,142 @@
102 161 * @param string $block_name The block-name.
103 162 *
104 163 * @return void
105 164 */
106 -function gutenberg_register_core_block_assets( $block_name ) {
107 - static $gutenberg_url_root = null;
108 - // Running `gutenberg_url` inside of a loop can be expensive in systems with
109 - // many callbacks attached to the `plugins_url` hook.
110 - // Since all of the paths have the same root, we can instead retrieve the
111 - // corresponding URL root once, and manually concatenate the URL below.
112 - if ( is_null( $gutenberg_url_root ) ) {
113 - $gutenberg_url_root = gutenberg_url( '/' );
114 - }
115 -
116 - if ( ! wp_should_load_separate_core_block_assets() ) {
165 +function gutenberg_register_core_block_styles( $block_name ) {
166 + if ( ! gutenberg_should_load_separate_block_styles() ) {
117 167 return;
118 168 }
119 169
120 170 $block_name = str_replace( 'core/', '', $block_name );
121 171
122 - // When in production, use the plugin's version as the default asset version;
123 - // else (for development or test) default to use the current time.
124 - $default_version = defined( 'GUTENBERG_VERSION' ) && ! SCRIPT_DEBUG ? GUTENBERG_VERSION : time();
125 - $suffix = SCRIPT_DEBUG ? '' : '.min';
172 + $style_path = "build/block-library/blocks/$block_name/style.css";
173 + $editor_style_path = "build/block-library/blocks/$block_name/style-editor.css";
126 174
127 - $style_path = "build/styles/block-library/$block_name/";
128 - $stylesheet_url = $gutenberg_url_root . $style_path . 'style' . $suffix . '.css';
129 - $stylesheet_path = gutenberg_dir_path() . $style_path . ( is_rtl() ? 'style-rtl' . $suffix . '.css' : 'style' . $suffix . '.css' );
130 -
131 - if ( file_exists( $stylesheet_path ) ) {
132 -
133 - wp_deregister_style( "wp-block-{$block_name}" );
175 + if ( file_exists( gutenberg_dir_path() . $style_path ) ) {
134 176 wp_register_style(
135 177 "wp-block-{$block_name}",
136 - $stylesheet_url,
178 + gutenberg_url( $style_path ),
137 179 array(),
138 - $default_version
180 + filemtime( gutenberg_dir_path() . $style_path )
139 181 );
140 182 wp_style_add_data( "wp-block-{$block_name}", 'rtl', 'replace' );
141 - wp_style_add_data( "wp-block-{$block_name}", 'suffix', $suffix );
183 +
142 184 // Add a reference to the stylesheet's path to allow calculations for inlining styles in `wp_head`.
143 - wp_style_add_data( "wp-block-{$block_name}", 'path', $stylesheet_path );
144 - } else {
145 - wp_register_style( "wp-block-{$block_name}", false, array() );
185 + wp_style_add_data( "wp-block-{$block_name}", 'path', gutenberg_dir_path() . $style_path );
146 186 }
147 187
148 - /*
149 - * If the current theme supports wp-block-styles, dequeue the core styles
150 - * and enqueue the plugin ones instead.
188 + if ( file_exists( gutenberg_dir_path() . $editor_style_path ) ) {
189 + wp_register_style(
190 + "wp-block-{$block_name}-editor",
191 + gutenberg_url( $editor_style_path ),
192 + array(),
193 + filemtime( gutenberg_dir_path() . $editor_style_path )
194 + );
195 + wp_style_add_data( "wp-block-{$block_name}-editor", 'rtl', 'replace' );
196 + }
197 +}
198 +
199 +/**
200 + * Change the way styles get loaded depending on their size.
201 + *
202 + * Optimizes performance and sustainability of styles by inlining smaller stylesheets.
203 + *
204 + * @return void
205 + */
206 +function gutenberg_maybe_inline_styles() {
207 +
208 + $total_inline_limit = 20000;
209 + /**
210 + * The maximum size of inlined styles in bytes.
211 + *
212 + * @param int $total_inline_limit The file-size threshold, in bytes. Defaults to 20000.
213 + * @return int The file-size threshold, in bytes.
151 214 */
152 - if ( current_theme_supports( 'wp-block-styles' ) ) {
215 + $total_inline_limit = apply_filters( 'styles_inline_size_limit', $total_inline_limit );
153 216
154 - // Get the path to the block's stylesheet.
155 - $theme_style_path = is_rtl()
156 - ? "build/styles/block-library/$block_name/theme-rtl{$suffix}.css"
157 - : "build/styles/block-library/$block_name/theme{$suffix}.css";
217 + global $wp_styles;
218 + $styles = array();
158 219
159 - // If the file exists, enqueue it.
160 - if ( file_exists( gutenberg_dir_path() . $theme_style_path ) ) {
161 - wp_deregister_style( "wp-block-{$block_name}-theme" );
162 - wp_register_style(
163 - "wp-block-{$block_name}-theme",
164 - $gutenberg_url_root . $theme_style_path,
165 - array(),
166 - $default_version
220 + // Build an array of styles that have a path defined.
221 + foreach ( $wp_styles->queue as $handle ) {
222 + if ( wp_styles()->get_data( $handle, 'path' ) && file_exists( $wp_styles->registered[ $handle ]->extra['path'] ) ) {
223 + $block_styles = false;
224 + $styles_size = filesize( $wp_styles->registered[ $handle ]->extra['path'] );
225 +
226 + // Minify styles and get their minified size if SCRIPT_DEBUG is not enabled.
227 + if ( ! defined( 'SCRIPT_DEBUG' ) || ! SCRIPT_DEBUG ) {
228 + // Get the styles and minify them by removing comments & whitespace.
229 + $block_styles = gutenberg_get_minified_styles( file_get_contents( $wp_styles->registered[ $handle ]->extra['path'] ) );
230 + // Get the styles size.
231 + $styles_size = strlen( $block_styles );
232 + }
233 +
234 + $styles[] = array(
235 + 'handle' => $handle,
236 + 'path' => $wp_styles->registered[ $handle ]->extra['path'],
237 + 'size' => $styles_size,
238 + 'css' => $block_styles,
167 239 );
168 - wp_style_add_data( "wp-block-{$block_name}-theme", 'path', gutenberg_dir_path() . $theme_style_path );
169 - wp_style_add_data( "wp-block-{$block_name}-theme", 'suffix', $suffix );
170 240 }
171 241 }
172 242
173 - $editor_style_path = "build/styles/block-library/$block_name/style-editor{$suffix}.css";
174 - if ( file_exists( gutenberg_dir_path() . $editor_style_path ) ) {
175 - wp_deregister_style( "wp-block-{$block_name}-editor" );
176 - wp_register_style(
177 - "wp-block-{$block_name}-editor",
178 - $gutenberg_url_root . $editor_style_path,
179 - array(),
180 - $default_version
243 + if ( ! empty( $styles ) ) {
244 + // Reorder styles array based on size.
245 + usort(
246 + $styles,
247 + function( $a, $b ) {
248 + return ( $a['size'] <= $b['size'] ) ? -1 : 1;
249 + }
181 250 );
182 - wp_style_add_data( "wp-block-{$block_name}-editor", 'rtl', 'replace' );
183 - wp_style_add_data( "wp-block-{$block_name}-editor", 'suffix', $suffix );
184 - } else {
185 - wp_register_style( "wp-block-{$block_name}-editor", false );
251 +
252 + /**
253 + * The total inlined size.
254 + *
255 + * On each iteration of the loop, if a style gets added inline the value of this var increases
256 + * to reflect the total size of inlined styles.
257 + */
258 + $total_inline_size = 0;
259 +
260 + // Loop styles.
261 + foreach ( $styles as $style ) {
262 +
263 + // Size check. Since styles are ordered by size, we can break the loop.
264 + if ( $total_inline_size + $style['size'] > $total_inline_limit ) {
265 + break;
266 + }
267 +
268 + // Get the styles if we don't already have them.
269 + $style['css'] = $style['css'] ? $style['css'] : file_get_contents( $style['path'] );
270 +
271 + // Set `src` to `false` and add styles inline.
272 + $wp_styles->registered[ $style['handle'] ]->src = false;
273 + $wp_styles->registered[ $style['handle'] ]->extra['after'][] = $style['css'];
274 +
275 + // Add the styles size to the $total_inline_size var.
276 + $total_inline_size += (int) $style['size'];
277 + }
186 278 }
187 279 }
280 +add_action( 'wp_head', 'gutenberg_maybe_inline_styles', 1 );
188 281
189 282 /**
283 + * Minify styles.
284 + *
285 + * Removes inline comments and whitespace.
286 + *
287 + * @param string $styles The styles to be minified.
288 + * @return string
289 + */
290 +function gutenberg_get_minified_styles( $styles ) {
291 + $re1 = '(?sx)("(?:[^"\\\\]++|\\\\.)*+"|\'(?:[^\'\\\\]++|\\\\.)*+\')|/\\* (?> .*? \\*/ )';
292 + $re2 = '(?six)("(?:[^"\\\\]++|\\\\.)*+"|\'(?:[^\'\\\\]++|\\\\.)*+\')|\\s*+ ; \\s*+ ( } ) \\s*+|\\s*+ ( [*$~^|]?+= | [{};,>~+-] | !important\\b ) \\s*+|( [[(:] ) \\s++|\\s++ ( [])] )|\\s++ ( : ) \\s*+(?!(?>[^{}"\']++|"(?:[^"\\\\]++|\\\\.)*+"|\'(?:[^\'\\\\]++|\\\\.)*+\')*+{)|^ \\s++ | \\s++ \\z|(\\s)\\s+';
293 +
294 + $styles = preg_replace( "%$re1%", '$1', $styles );
295 + return preg_replace( "%$re2%", '$1$2$3$4$5$6$7', $styles );
296 +}
297 +
298 +/**
190 299 * Complements the implementation of block type `core/social-icon`, whether it
191 300 * be provided by core or the plugin, with derived block types for each
192 301 * "service" (WordPress, Twitter, etc.) supported by Social Links.
193 302 *
@@ -194,12 +303,12 @@
194 303 * This ensures backwards compatibility for any users running the Gutenberg
195 304 * plugin who have used Social Links prior to their conversion to block
196 305 * variations.
197 306 *
198 - * This shim is INTENTIONALLY left out of core, as Social Links have never
307 + * This shim is INTENTIONALLY left out of core, as Social Links haven't yet
199 308 * landed there.
200 309 *
201 - * @link https://github.com/WordPress/gutenberg/pull/19887
310 + * @see https://github.com/WordPress/gutenberg/pull/19887
202 311 */
203 312 function gutenberg_register_legacy_social_link_blocks() {
204 313 $services = array(
205 314 'amazon',
@@ -266,123 +375,4 @@
266 375 }
267 376 }
268 377
269 378 add_action( 'init', 'gutenberg_register_legacy_social_link_blocks' );
270 -
271 -/**
272 - * Migrate the legacy `sync_status` meta key (added 16.1) to the new `wp_pattern_sync_status` meta key (16.1.1).
273 - *
274 - * This filter is INTENTIONALLY left out of core as the meta key was fist introduced to core in 6.3 as `wp_pattern_sync_status`.
275 - * see https://github.com/WordPress/gutenberg/pull/52232
276 - *
277 - * @param mixed $value The value to return, either a single metadata value or an array of values depending on the value of $single.
278 - * @param int $object_id ID of the object metadata is for.
279 - * @param string $meta_key Metadata key.
280 - * @param bool $single Whether to return only the first value of the specified $meta_key.
281 - */
282 -function gutenberg_legacy_wp_block_post_meta( $value, $object_id, $meta_key, $single ) {
283 - if ( 'wp_pattern_sync_status' !== $meta_key ) {
284 - return $value;
285 - }
286 -
287 - $sync_status = get_post_meta( $object_id, 'sync_status', $single );
288 -
289 - if ( $single && 'unsynced' === $sync_status ) {
290 - return $sync_status;
291 - } elseif ( isset( $sync_status[0] ) && 'unsynced' === $sync_status[0] ) {
292 - return $sync_status;
293 - }
294 -
295 - return $value;
296 -}
297 -
298 -add_filter( 'default_post_metadata', 'gutenberg_legacy_wp_block_post_meta', 10, 4 );
299 -
300 -
301 -
302 -/**
303 - * Strips all HTML from the content of footnotes, and sanitizes the ID.
304 - *
305 - * This function expects slashed data on the footnotes content.
306 - *
307 - * @access private
308 - *
309 - * @param string $footnotes JSON encoded string of an array containing the content and ID of each footnote.
310 - * @return string Filtered content without any HTML on the footnote content and with the sanitized id.
311 - */
312 -function _gutenberg_filter_post_meta_footnotes( $footnotes ) {
313 - $footnotes_decoded = json_decode( $footnotes, true );
314 - if ( ! is_array( $footnotes_decoded ) ) {
315 - return '';
316 - }
317 - $footnotes_sanitized = array();
318 - foreach ( $footnotes_decoded as $footnote ) {
319 - if ( ! empty( $footnote['content'] ) && ! empty( $footnote['id'] ) ) {
320 - $footnotes_sanitized[] = array(
321 - 'id' => sanitize_key( $footnote['id'] ),
322 - 'content' => wp_unslash( wp_filter_post_kses( wp_slash( $footnote['content'] ) ) ),
323 - );
324 - }
325 - }
326 - return wp_json_encode( $footnotes_sanitized );
327 -}
328 -
329 -/**
330 - * Adds the filters to filter footnotes meta field.
331 - *
332 - * @access private
333 - */
334 -function _gutenberg_footnotes_kses_init_filters() {
335 - add_filter( 'sanitize_post_meta_footnotes', '_gutenberg_filter_post_meta_footnotes' );
336 -}
337 -
338 -/**
339 - * Removes the filters that filter footnotes meta field.
340 - *
341 - * @access private
342 - */
343 -function _gutenberg_footnotes_remove_filters() {
344 - remove_filter( 'sanitize_post_meta_footnotes', '_gutenberg_filter_post_meta_footnotes' );
345 -}
346 -
347 -/**
348 - * Registers the filter of footnotes meta field if the user does not have unfiltered_html capability.
349 - *
350 - * @access private
351 - */
352 -function _gutenberg_footnotes_kses_init() {
353 - if ( function_exists( '_wp_filter_post_meta_footnotes' ) ) {
354 - return;
355 - }
356 - _gutenberg_footnotes_remove_filters();
357 - if ( ! current_user_can( 'unfiltered_html' ) ) {
358 - _gutenberg_footnotes_kses_init_filters();
359 - }
360 -}
361 -
362 -/**
363 - * Initializes footnotes meta field filters when imported data should be filtered.
364 - *
365 - * This filter is the last being executed on force_filtered_html_on_import.
366 - * If the input of the filter is true it means we are in an import situation and should
367 - * enable kses, independently of the user capabilities.
368 - * So in that case we call _gutenberg_footnotes_kses_init_filters;
369 - *
370 - * @access private
371 - *
372 - * @param string $arg Input argument of the filter.
373 - * @return string Input argument of the filter.
374 - */
375 -function _gutenberg_footnotes_force_filtered_html_on_import_filter( $arg ) {
376 - if ( function_exists( '_wp_filter_post_meta_footnotes' ) ) {
377 - return;
378 - }
379 - // force_filtered_html_on_import is true we need to init the global styles kses filters.
380 - if ( $arg ) {
381 - _gutenberg_footnotes_kses_init_filters();
382 - }
383 - return $arg;
384 -}
385 -
386 -add_action( 'init', '_gutenberg_footnotes_kses_init' );
387 -add_action( 'set_current_user', '_gutenberg_footnotes_kses_init' );
388 -add_filter( 'force_filtered_html_on_import', '_gutenberg_footnotes_force_filtered_html_on_import_filter', 999 );