File Editor
Directories:
.. (Back)
archives
audio
avatar
block
button
buttons
calendar
categories
classic
code
column
columns
comment-author-name
comment-content
comment-date
comment-edit-link
comment-reply-link
comment-template
comments
comments-pagination
comments-pagination-next
comments-pagination-numbers
comments-pagination-previous
comments-title
cover
details
embed
file
footnotes
freeform
gallery
group
heading
home-link
html
image
latest-comments
latest-posts
legacy-widget
list
list-item
loginout
media-text
missing
more
navigation
navigation-link
navigation-submenu
nextpage
page-list
page-list-item
paragraph
pattern
post-author
post-author-biography
post-author-name
post-comments-form
post-content
post-date
post-excerpt
post-featured-image
post-navigation-link
post-template
post-terms
post-title
preformatted
pullquote
query
query-no-results
query-pagination
query-pagination-next
query-pagination-numbers
query-pagination-previous
query-title
quote
read-more
rss
search
separator
shortcode
site-logo
site-tagline
site-title
social-link
social-links
spacer
table
tag-cloud
template-part
term-description
text-columns
verse
video
widget-group
Files:
archives.php
avatar.php
block.php
blocks-json.php
calendar.php
categories.php
comment-author-name.php
comment-content.php
comment-date.php
comment-edit-link.php
comment-reply-link.php
comment-template.php
comments-pagination-next.php
comments-pagination-numbers.php
comments-pagination-previous.php
comments-pagination.php
comments-title.php
comments.php
cover.php
file.php
footnotes.php
gallery.php
heading.php
home-link.php
image.php
index.php
latest-comments.php
latest-posts.php
legacy-widget.php
loginout.php
navigation-link.php
navigation-submenu.php
navigation.php
page-list-item.php
page-list.php
pattern.php
post-author-biography.php
post-author-name.php
post-author.php
post-comments-form.php
post-content.php
post-date.php
post-excerpt.php
post-featured-image.php
post-navigation-link.php
post-template.php
post-terms.php
post-title.php
query-no-results.php
query-pagination-next.php
query-pagination-numbers.php
query-pagination-previous.php
query-pagination.php
query-title.php
query.php
read-more.php
require-dynamic-blocks.php
require-static-blocks.php
rss.php
search.php
shortcode.php
site-logo.php
site-tagline.php
site-title.php
social-link.php
tag-cloud.php
template-part.php
term-description.php
widget-group.php
Create New File
Create
Edit File: heading.php
<?php /** * Appending the wp-block-heading to before rendering the stored `core/heading` block contents. * * @package WordPress */ /** * Adds a wp-block-heading class to the heading block content. * * For example, the following block content: * <h2 class="align-left">Hello World</h2> * * Would be transformed to: * <h2 class="align-left wp-block-heading">Hello World</h2> * * @param array $attributes Attributes of the block being rendered. * @param string $content Content of the block being rendered. * * @return string The content of the block being rendered. */ function block_core_heading_render( $attributes, $content ) { if ( ! $content ) { return $content; } $p = new WP_HTML_Tag_Processor( $content ); $header_tags = array( 'H1', 'H2', 'H3', 'H4', 'H5', 'H6' ); while ( $p->next_tag() ) { if ( in_array( $p->get_tag(), $header_tags, true ) ) { $p->add_class( 'wp-block-heading' ); break; } } return $p->get_updated_html(); } /** * Registers the `core/heading` block on server. */ function register_block_core_heading() { register_block_type_from_metadata( __DIR__ . '/heading', array( 'render_callback' => 'block_core_heading_render', ) ); } add_action( 'init', 'register_block_core_heading' );
Save Changes
Rename File
Rename