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ddc07c4598
The npm packages needed a further update for beta 2 in preparation for 6.4. Props @mmaattiiaass , @wildworks , @aaronrobertshaw, @bartkalisz, @mamaduka, @artemiosans, @youknowriad, @czapla, @richtabor, @glendaviesnz, @pbking, @cbravobernal, @madhudollu, @kevin940726, @adamsilverstein, @get_dave, @ntsekouras, @ramonopoly, @jffng, @swissspidy, @carlosgprim, @siobhyb, @mikachan. See #59411. Built from https://develop.svn.wordpress.org/trunk@56755 git-svn-id: http://core.svn.wordpress.org/trunk@56267 1a063a9b-81f0-0310-95a4-ce76da25c4cd
121 lines
3.0 KiB
PHP
121 lines
3.0 KiB
PHP
<?php
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/**
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* Server-side rendering of the `core/footnotes` block.
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*
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* @package WordPress
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*/
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/**
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* Renders the `core/footnotes` block on the server.
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*
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* @since 6.3.0
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*
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* @param array $attributes Block attributes.
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* @param string $content Block default content.
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* @param WP_Block $block Block instance.
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*
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* @return string Returns the HTML representing the footnotes.
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*/
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function render_block_core_footnotes( $attributes, $content, $block ) {
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// Bail out early if the post ID is not set for some reason.
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if ( empty( $block->context['postId'] ) ) {
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return '';
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}
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if ( post_password_required( $block->context['postId'] ) ) {
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return;
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}
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$footnotes = get_post_meta( $block->context['postId'], 'footnotes', true );
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if ( ! $footnotes ) {
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return;
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}
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$footnotes = json_decode( $footnotes, true );
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if ( ! is_array( $footnotes ) || count( $footnotes ) === 0 ) {
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return '';
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}
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$wrapper_attributes = get_block_wrapper_attributes();
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$footnote_index = 1;
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$block_content = '';
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foreach ( $footnotes as $footnote ) {
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// Translators: %d: Integer representing the number of return links on the page.
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$aria_label = sprintf( __( 'Jump to footnote reference %1$d' ), $footnote_index );
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$block_content .= sprintf(
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'<li id="%1$s">%2$s <a href="#%1$s-link" aria-label="%3$s">↩︎</a></li>',
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$footnote['id'],
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$footnote['content'],
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$aria_label
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);
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++$footnote_index;
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}
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return sprintf(
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'<ol %1$s>%2$s</ol>',
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$wrapper_attributes,
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$block_content
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);
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}
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/**
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* Registers the `core/footnotes` block on the server.
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*
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* @since 6.3.0
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*/
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function register_block_core_footnotes() {
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foreach ( array( 'post', 'page' ) as $post_type ) {
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register_post_meta(
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$post_type,
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'footnotes',
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array(
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'show_in_rest' => true,
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'single' => true,
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'type' => 'string',
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'revisions_enabled' => true,
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)
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);
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}
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register_block_type_from_metadata(
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__DIR__ . '/footnotes',
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array(
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'render_callback' => 'render_block_core_footnotes',
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)
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);
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}
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add_action( 'init', 'register_block_core_footnotes' );
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/**
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* Adds the footnotes field to the revisions display.
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*
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* @since 6.3.0
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*
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* @param array $fields The revision fields.
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* @return array The revision fields.
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*/
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function wp_add_footnotes_to_revision( $fields ) {
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$fields['footnotes'] = __( 'Footnotes' );
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return $fields;
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}
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add_filter( '_wp_post_revision_fields', 'wp_add_footnotes_to_revision' );
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/**
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* Gets the footnotes field from the revision for the revisions screen.
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*
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* @since 6.3.0
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*
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* @param string $revision_field The field value, but $revision->$field
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* (footnotes) does not exist.
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* @param string $field The field name, in this case "footnotes".
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* @param object $revision The revision object to compare against.
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* @return string The field value.
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*/
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function wp_get_footnotes_from_revision( $revision_field, $field, $revision ) {
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return get_metadata( 'post', $revision->ID, $field, true );
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}
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add_filter( '_wp_post_revision_field_footnotes', 'wp_get_footnotes_from_revision', 10, 3 );
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