Check for existing data-id attribute on the image block content

WordPress · Oct 27, 2021 · 585fc17 · 585fc17
1 parent 9752eec
commit 585fc17
Showing 1 changed file with 9 additions and 1 deletion.
diff --git a/packages/block-library/src/image/index.php b/packages/block-library/src/image/index.php
@@ -1,4 +1,10 @@
 <?php
+/**
+ * Server-side rendering of the `core/image` block.
+ *
+ * @package gutenberg
+ */
+
 /**
  * Renders the `core/image` block on server.
  *
@@ -10,7 +16,9 @@ function render_block_core_image( $attributes, $content ) {
 	if ( $attributes['id'] ) {
 		// Add the data-id="$id" attribute to the img element to retain backwards compatibility.
 		$data_id_attribute  = 'data-id="' . esc_attr( $attributes['id'] ) . '"';
-		$content = str_replace( '<img', '<img ' . $data_id_attribute . ' ', $content );
+		if ( ! strpos( $content, $data_id_attribute ) ) {
+			$content = str_replace( '<img', '<img ' . $data_id_attribute . ' ', $content );
+		}
 	}
 	return $content;
 }