File Content: video.php <?php /** * Server-side rendering of the `core/video` block. * * @package WordPress */ /** * Renders the `core/video` block on the server to supply the width and height attributes from the attachment metadata. * * @since 6.9.0 * * @phpstan-param array{ "id"?: positive-int } $attributes * * @param array $attributes The block attributes. * @param string $content The block content. * @return string The block content with the dimensions added. */ function render_block_core_video( array $attributes, string $content ): string { // if the content lacks any video tag, abort. if ( ! str_contains( $content, '<video' ) ) { return $content; } // If the 'id' attribute is not populated for a video attachment, abort. if ( ! isset( $attributes['id'] ) || ! is_int( $attributes['id'] ) || $attributes['id'] <= 0 ) { return $content; } // If the 'id' attribute wasn't for an attachment, abort. if ( get_post_type( $attributes['id'] ) !== 'attachment' ) { return $content; } // Get the width and height metadata for the video, and abort if absent or invalid. $metadata = wp_get_attachment_metadata( $attributes['id'] ); if ( ! isset( $metadata['width'], $metadata['height'] ) || ! ( is_int( $metadata['width'] ) && is_int( $metadata['height'] ) ) || ! ( $metadata['width'] > 0 && $metadata['height'] > 0 ) ) { return $content; } // Locate the VIDEO tag to add the dimensions. $p = new WP_HTML_Tag_Processor( $content ); if ( ! $p->next_tag( array( 'tag_name' => 'VIDEO' ) ) ) { return $content; } $p->set_attribute( 'width', (string) $metadata['width'] ); $p->set_attribute( 'height', (string) $metadata['height'] ); /* * The aspect-ratio style is needed due to an issue with the CSS spec: <https://github.com/w3c/csswg-drafts/issues/7524>. * Note that a style rule using attr() like the following cannot currently be used: * * .wp-block-video video[width][height] { * aspect-ratio: attr(width type(<number>)) / attr(height type(<number>)); * } * * This is because this attr() is yet only implemented in Chromium: <https://caniuse.com/css3-attr>. */ $style = $p->get_attribute( 'style' ); if ( ! is_string( $style ) ) { $style = ''; } $aspect_ratio_style = sprintf( 'aspect-ratio: %d / %d;', $metadata['width'], $metadata['height'] ); $p->set_attribute( 'style', $aspect_ratio_style . $style ); return $p->get_updated_html(); } /** * Registers the `core/video` block on server. * * @since 6.9.0 */ function register_block_core_video(): void { register_block_type_from_metadata( __DIR__ . '/video', array( 'render_callback' => 'render_block_core_video', ) ); } add_action( 'init', 'register_block_core_video' ); Submit