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a41c798835
In addition to all the packages being updated to the latest versions, this commit also includes some mandatory changes to avoid editor breakage: - Update React to to 18.2.0. - Add the right stylesheets to support iframed block editors. Props ntsekouras, mamaduka, flixos90, desrosj, peterwilsoncc. See #57471. Built from https://develop.svn.wordpress.org/trunk@55246 git-svn-id: http://core.svn.wordpress.org/trunk@54779 1a063a9b-81f0-0310-95a4-ce76da25c4cd
53 lines
1.2 KiB
PHP
53 lines
1.2 KiB
PHP
<?php
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/**
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* Appending the wp-block-heading to before rendering the stored `core/heading` block contents.
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*
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* @package WordPress
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*/
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/**
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* Adds a wp-block-heading class to the heading block content.
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*
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* For example, the following block content:
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* <h2 class="align-left">Hello World</h2>
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*
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* Would be transformed to:
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* <h2 class="align-left wp-block-heading">Hello World</h2>
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*
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* @param array $attributes Attributes of the block being rendered.
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* @param string $content Content of the block being rendered.
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*
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* @return string The content of the block being rendered.
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*/
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function block_core_heading_render( $attributes, $content ) {
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if ( ! $content ) {
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return $content;
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}
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$p = new WP_HTML_Tag_Processor( $content );
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$header_tags = array( 'H1', 'H2', 'H3', 'H4', 'H5', 'H6' );
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while ( $p->next_tag() ) {
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if ( in_array( $p->get_tag(), $header_tags, true ) ) {
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$p->add_class( 'wp-block-heading' );
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break;
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}
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}
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return $p->get_updated_html();
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}
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/**
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* Registers the `core/heading` block on server.
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*/
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function register_block_core_heading() {
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register_block_type_from_metadata(
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__DIR__ . '/heading',
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array(
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'render_callback' => 'block_core_heading_render',
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)
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);
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}
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add_action( 'init', 'register_block_core_heading' );
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