199 lines
7.1 KiB
PHP
199 lines
7.1 KiB
PHP
<?php
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/**
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* Server-side rendering of the `core/template-part` 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/template-part` block on the server.
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*
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* @param array $attributes The block attributes.
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*
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* @return string The render.
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*/
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function render_block_core_template_part( $attributes ) {
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static $seen_ids = array();
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$template_part_id = null;
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$content = null;
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$area = WP_TEMPLATE_PART_AREA_UNCATEGORIZED;
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if (
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isset( $attributes['slug'] ) &&
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isset( $attributes['theme'] ) &&
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wp_get_theme()->get_stylesheet() === $attributes['theme']
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) {
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$template_part_id = $attributes['theme'] . '//' . $attributes['slug'];
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$template_part_query = new WP_Query(
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array(
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'post_type' => 'wp_template_part',
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'post_status' => 'publish',
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'post_name__in' => array( $attributes['slug'] ),
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'tax_query' => array(
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array(
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'taxonomy' => 'wp_theme',
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'field' => 'slug',
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'terms' => $attributes['theme'],
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),
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),
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'posts_per_page' => 1,
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'no_found_rows' => true,
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)
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);
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$template_part_post = $template_part_query->have_posts() ? $template_part_query->next_post() : null;
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if ( $template_part_post ) {
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// A published post might already exist if this template part was customized elsewhere
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// or if it's part of a customized template.
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$content = $template_part_post->post_content;
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$area_terms = get_the_terms( $template_part_post, 'wp_template_part_area' );
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if ( ! is_wp_error( $area_terms ) && false !== $area_terms ) {
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$area = $area_terms[0]->name;
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}
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/**
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* Fires when a block template part is loaded from a template post stored in the database.
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*
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* @since 5.9.0
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*
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* @param string $template_part_id The requested template part namespaced to the theme.
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* @param array $attributes The block attributes.
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* @param WP_Post $template_part_post The template part post object.
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* @param string $content The template part content.
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*/
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do_action( 'render_block_core_template_part_post', $template_part_id, $attributes, $template_part_post, $content );
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} else {
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// Else, if the template part was provided by the active theme,
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// render the corresponding file content.
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$parent_theme_folders = get_block_theme_folders( get_template() );
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$child_theme_folders = get_block_theme_folders( get_stylesheet() );
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$child_theme_part_file_path = get_theme_file_path( '/' . $child_theme_folders['wp_template_part'] . '/' . $attributes['slug'] . '.html' );
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$parent_theme_part_file_path = get_theme_file_path( '/' . $parent_theme_folders['wp_template_part'] . '/' . $attributes['slug'] . '.html' );
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$template_part_file_path = 0 === validate_file( $attributes['slug'] ) && file_exists( $child_theme_part_file_path ) ? $child_theme_part_file_path : $parent_theme_part_file_path;
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if ( 0 === validate_file( $attributes['slug'] ) && file_exists( $template_part_file_path ) ) {
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$content = file_get_contents( $template_part_file_path );
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$content = is_string( $content ) && '' !== $content
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? _inject_theme_attribute_in_block_template_content( $content )
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: '';
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}
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if ( '' !== $content && null !== $content ) {
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/**
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* Fires when a block template part is loaded from a template part in the theme.
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*
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* @since 5.9.0
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*
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* @param string $template_part_id The requested template part namespaced to the theme.
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* @param array $attributes The block attributes.
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* @param string $template_part_file_path Absolute path to the template path.
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* @param string $content The template part content.
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*/
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do_action( 'render_block_core_template_part_file', $template_part_id, $attributes, $template_part_file_path, $content );
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} else {
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/**
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* Fires when a requested block template part does not exist in the database nor in the theme.
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*
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* @since 5.9.0
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*
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* @param string $template_part_id The requested template part namespaced to the theme.
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* @param array $attributes The block attributes.
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* @param string $template_part_file_path Absolute path to the not found template path.
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*/
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do_action( 'render_block_core_template_part_none', $template_part_id, $attributes, $template_part_file_path );
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}
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}
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}
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if ( is_null( $content ) && is_user_logged_in() ) {
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if ( ! isset( $attributes['slug'] ) ) {
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// If there is no slug this is a placeholder and we dont want to return any message.
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return;
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}
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return sprintf(
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/* translators: %s: Template part slug. */
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__( 'Template part has been deleted or is unavailable: %s' ),
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$attributes['slug']
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);
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}
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if ( isset( $seen_ids[ $template_part_id ] ) ) {
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// WP_DEBUG_DISPLAY must only be honored when WP_DEBUG. This precedent
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// is set in `wp_debug_mode()`.
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$is_debug = defined( 'WP_DEBUG' ) && WP_DEBUG &&
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defined( 'WP_DEBUG_DISPLAY' ) && WP_DEBUG_DISPLAY;
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return $is_debug ?
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// translators: Visible only in the front end, this warning takes the place of a faulty block.
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__( '[block rendering halted]' ) :
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'';
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}
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// Run through the actions that are typically taken on the_content.
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$seen_ids[ $template_part_id ] = true;
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$content = do_blocks( $content );
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unset( $seen_ids[ $template_part_id ] );
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$content = wptexturize( $content );
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$content = convert_smilies( $content );
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$content = shortcode_unautop( $content );
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$content = wp_filter_content_tags( $content );
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$content = do_shortcode( $content );
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// Handle embeds for block template parts.
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global $wp_embed;
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$content = $wp_embed->autoembed( $content );
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if ( empty( $attributes['tagName'] ) ) {
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$defined_areas = get_allowed_block_template_part_areas();
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$area_tag = 'div';
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foreach ( $defined_areas as $defined_area ) {
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if ( $defined_area['area'] === $area && isset( $defined_area['area_tag'] ) ) {
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$area_tag = $defined_area['area_tag'];
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}
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}
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$html_tag = $area_tag;
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} else {
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$html_tag = esc_attr( $attributes['tagName'] );
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}
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$wrapper_attributes = get_block_wrapper_attributes();
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return "<$html_tag $wrapper_attributes>" . str_replace( ']]>', ']]>', $content ) . "</$html_tag>";
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}
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/**
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* Returns an array of variation objects for the template part block.
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*
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* @return array Array containing the block variation objects.
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*/
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function build_template_part_block_variations() {
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$variations = array();
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$defined_areas = get_allowed_block_template_part_areas();
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foreach ( $defined_areas as $area ) {
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if ( 'uncategorized' !== $area['area'] ) {
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$variations[] = array(
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'name' => $area['area'],
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'title' => $area['label'],
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'description' => $area['description'],
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'attributes' => array(
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'area' => $area['area'],
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),
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'scope' => array( 'inserter' ),
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'icon' => $area['icon'],
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);
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}
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}
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return $variations;
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}
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/**
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* Registers the `core/template-part` block on the server.
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*/
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function register_block_core_template_part() {
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register_block_type_from_metadata(
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__DIR__ . '/template-part',
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array(
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'render_callback' => 'render_block_core_template_part',
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'variations' => build_template_part_block_variations(),
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)
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);
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}
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add_action( 'init', 'register_block_core_template_part' );
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