Renders the meta boxes forms.
Source
function the_block_editor_meta_boxes() { global $post, $current_screen, $wp_meta_boxes; // Handle meta box state. $_original_meta_boxes = $wp_meta_boxes; /** * Fires right before the meta boxes are rendered. * * This allows for the filtering of meta box data, that should already be * present by this point. Do not use as a means of adding meta box data. * * @since 5.0.0 * * @param array $wp_meta_boxes Global meta box state. */ $wp_meta_boxes = apply_filters( 'filter_block_editor_meta_boxes', $wp_meta_boxes ); $locations = array( 'side', 'normal', 'advanced' ); $priorities = array( 'high', 'sorted', 'core', 'default', 'low' ); // Render meta boxes. ?> <form class="metabox-base-form"> <?php the_block_editor_meta_box_post_form_hidden_fields( $post ); ?> </form> <form id="toggle-custom-fields-form" method="post" action="<?php echo esc_url( admin_url( 'post.php' ) ); ?>"> <?php wp_nonce_field( 'toggle-custom-fields', 'toggle-custom-fields-nonce' ); ?> <input type="hidden" name="action" value="toggle-custom-fields" /> </form> <?php foreach ( $locations as $location ) : ?> <form class="metabox-location-<?php echo esc_attr( $location ); ?>" onsubmit="return false;"> <div id="poststuff" class="sidebar-open"> <div id="postbox-container-2" class="postbox-container"> <?php do_meta_boxes( $current_screen, $location, $post ); ?> </div> </div> </form> <?php endforeach; ?> <?php $meta_boxes_per_location = array(); foreach ( $locations as $location ) { $meta_boxes_per_location[ $location ] = array(); if ( ! isset( $wp_meta_boxes[ $current_screen->id ][ $location ] ) ) { continue; } foreach ( $priorities as $priority ) { if ( ! isset( $wp_meta_boxes[ $current_screen->id ][ $location ][ $priority ] ) ) { continue; } $meta_boxes = (array) $wp_meta_boxes[ $current_screen->id ][ $location ][ $priority ]; foreach ( $meta_boxes as $meta_box ) { if ( false === $meta_box || ! $meta_box['title'] ) { continue; } // If a meta box is just here for back compat, don't show it in the block editor. if ( isset( $meta_box['args']['__back_compat_meta_box'] ) && $meta_box['args']['__back_compat_meta_box'] ) { continue; } $meta_boxes_per_location[ $location ][] = array( 'id' => $meta_box['id'], 'title' => $meta_box['title'], ); } } } /* * Sadly we probably cannot add this data directly into editor settings. * * Some meta boxes need `admin_head` to fire for meta box registry. * `admin_head` fires after `admin_enqueue_scripts`, which is where we create * our editor instance. */ $script = 'window._wpLoadBlockEditor.then( function() { wp.data.dispatch( \'core/edit-post\' ).setAvailableMetaBoxesPerLocation( ' . wp_json_encode( $meta_boxes_per_location ) . ' ); } );'; wp_add_inline_script( 'wp-edit-post', $script ); /* * When `wp-edit-post` is output in the `<head>`, the inline script needs to be manually printed. * Otherwise, meta boxes will not display because inline scripts for `wp-edit-post` * will not be printed again after this point. */ if ( wp_script_is( 'wp-edit-post', 'done' ) ) { printf( "<script type='text/javascript'>\n%s\n</script>\n", trim( $script ) ); } /* * If the 'postcustom' meta box is enabled, then we need to perform * some extra initialization on it. */ $enable_custom_fields = (bool) get_user_meta( get_current_user_id(), 'enable_custom_fields', true ); if ( $enable_custom_fields ) { $script = "( function( $ ) { if ( $('#postcustom').length ) { $( '#the-list' ).wpList( { addBefore: function( s ) { s.data += '&post_id=$post->ID'; return s; }, addAfter: function() { $('table#list-table').show(); } }); } } )( jQuery );"; wp_enqueue_script( 'wp-lists' ); wp_add_inline_script( 'wp-lists', $script ); } /* * Refresh nonces used by the meta box loader. * * The logic is very similar to that provided by post.js for the classic editor. */ $script = "( function( $ ) { var check, timeout; function schedule() { check = false; window.clearTimeout( timeout ); timeout = window.setTimeout( function() { check = true; }, 300000 ); } $( document ).on( 'heartbeat-send.wp-refresh-nonces', function( e, data ) { var post_id, \$authCheck = $( '#wp-auth-check-wrap' ); if ( check || ( \$authCheck.length && ! \$authCheck.hasClass( 'hidden' ) ) ) { if ( ( post_id = $( '#post_ID' ).val() ) && $( '#_wpnonce' ).val() ) { data['wp-refresh-metabox-loader-nonces'] = { post_id: post_id }; } } }).on( 'heartbeat-tick.wp-refresh-nonces', function( e, data ) { var nonces = data['wp-refresh-metabox-loader-nonces']; if ( nonces ) { if ( nonces.replace ) { if ( nonces.replace.metabox_loader_nonce && window._wpMetaBoxUrl && wp.url ) { window._wpMetaBoxUrl= wp.url.addQueryArgs( window._wpMetaBoxUrl, { 'meta-box-loader-nonce': nonces.replace.metabox_loader_nonce } ); } if ( nonces.replace._wpnonce ) { $( '#_wpnonce' ).val( nonces.replace._wpnonce ); } } } }).ready( function() { schedule(); }); } )( jQuery );"; wp_add_inline_script( 'heartbeat', $script ); // Reset meta box data. $wp_meta_boxes = $_original_meta_boxes; } Hooks
- apply_filters( ‘filter_block_editor_meta_boxes’,
array $wp_meta_boxes ) Fires right before the meta boxes are rendered.
Changelog
| Version | Description |
|---|---|
| 5.0.0 | Introduced. |
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