--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/wp/wp-includes/blocks/media-text.php	Fri Sep 05 18:40:08 2025 +0200
@@ -0,0 +1,121 @@
+<?php
+/**
+ * Server-side rendering of the `core/media-text` block.
+ *
+ * @package WordPress
+ */
+
+/**
+ * Renders the `core/media-text` block on server.
+ *
+ * @since 6.6.0
+ *
+ * @param array  $attributes The block attributes.
+ * @param string $content    The block rendered content.
+ *
+ * @return string Returns the Media & Text block markup, if useFeaturedImage is true.
+ */
+function render_block_core_media_text( $attributes, $content ) {
+	if ( false === $attributes['useFeaturedImage'] ) {
+		return $content;
+	}
+
+	if ( in_the_loop() ) {
+		update_post_thumbnail_cache();
+	}
+
+	$current_featured_image = get_the_post_thumbnail_url();
+	if ( ! $current_featured_image ) {
+		return $content;
+	}
+
+	$media_tag_processor   = new WP_HTML_Tag_Processor( $content );
+	$wrapping_figure_query = array(
+		'tag_name'   => 'figure',
+		'class_name' => 'wp-block-media-text__media',
+	);
+	$has_media_on_right    = isset( $attributes['mediaPosition'] ) && 'right' === $attributes['mediaPosition'];
+	$image_fill            = isset( $attributes['imageFill'] ) && $attributes['imageFill'];
+	$focal_point           = isset( $attributes['focalPoint'] ) ? round( $attributes['focalPoint']['x'] * 100 ) . '% ' . round( $attributes['focalPoint']['y'] * 100 ) . '%' : '50% 50%';
+	$unique_id             = 'wp-block-media-text__media-' . wp_unique_id();
+
+	if ( $has_media_on_right ) {
+		// Loop through all the figure tags and set a bookmark on the last figure tag.
+		while ( $media_tag_processor->next_tag( $wrapping_figure_query ) ) {
+			$media_tag_processor->set_bookmark( 'last_figure' );
+		}
+		if ( $media_tag_processor->has_bookmark( 'last_figure' ) ) {
+			$media_tag_processor->seek( 'last_figure' );
+			if ( $image_fill ) {
+				$media_tag_processor->set_attribute( 'style', 'background-image:url(' . esc_url( $current_featured_image ) . ');background-position:' . $focal_point . ';' );
+			} else {
+				// Insert a unique ID to identify the figure tag.
+				$media_tag_processor->set_attribute( 'id', $unique_id );
+			}
+		}
+	} else {
+		if ( $media_tag_processor->next_tag( $wrapping_figure_query ) ) {
+			if ( $image_fill ) {
+				$media_tag_processor->set_attribute( 'style', 'background-image:url(' . esc_url( $current_featured_image ) . ');background-position:' . $focal_point . ';' );
+			} else {
+				// Insert a unique ID to identify the figure tag.
+				$media_tag_processor->set_attribute( 'id', $unique_id );
+			}
+		}
+	}
+
+	$content = $media_tag_processor->get_updated_html();
+
+	// If the image is not set to fill, add the image tag inside the figure tag,
+	// and update the image attributes in order to display the featured image.
+	if ( ! $image_fill ) {
+		$media_size_slug = isset( $attributes['mediaSizeSlug'] ) ? $attributes['mediaSizeSlug'] : 'full';
+		$image_tag       = '<img class="wp-block-media-text__featured_image">';
+		$content         = preg_replace(
+			'/(<figure\s+id="' . preg_quote( $unique_id, '/' ) . '"\s+class="wp-block-media-text__media"\s*>)/',
+			'$1' . $image_tag,
+			$content
+		);
+
+		$image_tag_processor = new WP_HTML_Tag_Processor( $content );
+		if ( $image_tag_processor->next_tag(
+			array(
+				'tag_name' => 'figure',
+				'id'       => $unique_id,
+			)
+		) ) {
+			// The ID is only used to ensure that the correct figure tag is selected,
+			// and can now be removed.
+			$image_tag_processor->remove_attribute( 'id' );
+			if ( $image_tag_processor->next_tag(
+				array(
+					'tag_name'   => 'img',
+					'class_name' => 'wp-block-media-text__featured_image',
+				)
+			) ) {
+				$image_tag_processor->set_attribute( 'src', esc_url( $current_featured_image ) );
+				$image_tag_processor->set_attribute( 'class', 'wp-image-' . get_post_thumbnail_id() . ' size-' . $media_size_slug );
+				$image_tag_processor->set_attribute( 'alt', trim( strip_tags( get_post_meta( get_post_thumbnail_id(), '_wp_attachment_image_alt', true ) ) ) );
+
+				$content = $image_tag_processor->get_updated_html();
+			}
+		}
+	}
+
+	return $content;
+}
+
+/**
+ * Registers the `core/media-text` block renderer on server.
+ *
+ * @since 6.6.0
+ */
+function register_block_core_media_text() {
+	register_block_type_from_metadata(
+		__DIR__ . '/media-text',
+		array(
+			'render_callback' => 'render_block_core_media_text',
+		)
+	);
+}
+add_action( 'init', 'register_block_core_media_text' );