diff --git a/lib/compat/wordpress-6.5/blocks.php b/lib/compat/wordpress-6.5/blocks.php
index 44d2b9e587f1ba..7c0191bd3b9de7 100644
--- a/lib/compat/wordpress-6.5/blocks.php
+++ b/lib/compat/wordpress-6.5/blocks.php
@@ -46,68 +46,68 @@ function gutenberg_register_metadata_attribute( $args ) {
 }
 add_filter( 'register_block_type_args', 'gutenberg_register_metadata_attribute' );
 
-/**
- * Depending on the block attribute name, replace its value in the HTML based on the value provided.
- *
- * @param string $block_content  Block Content.
- * @param string $block_name     The name of the block to process.
- * @param string $attribute_name The attribute name to replace.
- * @param mixed  $source_value   The value used to replace in the HTML.
- * @return string The modified block content.
- */
-function gutenberg_block_bindings_replace_html( $block_content, $block_name, string $attribute_name, $source_value ) {
-	var_dump( 'replace gutenberg' );
-	$block_type = WP_Block_Type_Registry::get_instance()->get_registered( $block_name );
-	if ( ! isset( $block_type->attributes[ $attribute_name ]['source'] ) ) {
-		return $block_content;
-	}
+// Only process block bindings if they are not processed in core.
+if ( ! class_exists( 'WP_Block_Bindings_Registry' ) ) {
+	/**
+	 * Depending on the block attribute name, replace its value in the HTML based on the value provided.
+	 *
+	 * @param string $block_content  Block Content.
+	 * @param string $block_name     The name of the block to process.
+	 * @param string $attribute_name The attribute name to replace.
+	 * @param mixed  $source_value   The value used to replace in the HTML.
+	 * @return string The modified block content.
+	 */
+	function gutenberg_block_bindings_replace_html( $block_content, $block_name, string $attribute_name, $source_value ) {
+		var_dump( 'replace gutenberg' );
+		$block_type = WP_Block_Type_Registry::get_instance()->get_registered( $block_name );
+		if ( ! isset( $block_type->attributes[ $attribute_name ]['source'] ) ) {
+			return $block_content;
+		}
 
-	// Depending on the attribute source, the processing will be different.
-	switch ( $block_type->attributes[ $attribute_name ]['source'] ) {
-		case 'html':
-		case 'rich-text':
-			// Hardcode the selectors and processing until the HTML API is able to read CSS selectors and replace inner HTML.
-			// TODO: Use the HTML API instead.
-			if ( 'core/paragraph' === $block_name && 'content' === $attribute_name ) {
-				$selector = 'p';
-			}
-			if ( 'core/heading' === $block_name && 'content' === $attribute_name ) {
-				$selector = 'h[1-6]';
-			}
-			if ( 'core/button' === $block_name && 'text' === $attribute_name ) {
-				// Check if it is a <button> or <a> tag.
-				if ( preg_match( '/<button[^>]*>.*?<\/button>/', $block_content ) ) {
-					$selector = 'button';
-				} else {
-					$selector = 'a';
+		// Depending on the attribute source, the processing will be different.
+		switch ( $block_type->attributes[ $attribute_name ]['source'] ) {
+			case 'html':
+			case 'rich-text':
+				// Hardcode the selectors and processing until the HTML API is able to read CSS selectors and replace inner HTML.
+				// TODO: Use the HTML API instead.
+				if ( 'core/paragraph' === $block_name && 'content' === $attribute_name ) {
+					$selector = 'p';
 				}
-			}
-			if ( empty( $selector ) ) {
-				return $block_content;
-			}
-			$pattern = '/(<' . $selector . '[^>]*>).*?(<\/' . $selector . '>)/i';
-			return preg_replace( $pattern, '$1' . wp_kses_post( $source_value ) . '$2', $block_content );
-
-		case 'attribute':
-			$amended_content = new WP_HTML_Tag_Processor( $block_content );
-			if ( ! $amended_content->next_tag(
-				array(
-					// TODO: build the query from CSS selector.
-					'tag_name' => $block_type->attributes[ $attribute_name ]['selector'],
-				)
-			) ) {
-				return $block_content;
-			}
-			$amended_content->set_attribute( $block_type->attributes[ $attribute_name ]['attribute'], $source_value );
-			return $amended_content->get_updated_html();
+				if ( 'core/heading' === $block_name && 'content' === $attribute_name ) {
+					$selector = 'h[1-6]';
+				}
+				if ( 'core/button' === $block_name && 'text' === $attribute_name ) {
+					// Check if it is a <button> or <a> tag.
+					if ( preg_match( '/<button[^>]*>.*?<\/button>/', $block_content ) ) {
+						$selector = 'button';
+					} else {
+						$selector = 'a';
+					}
+				}
+				if ( empty( $selector ) ) {
+					return $block_content;
+				}
+				$pattern = '/(<' . $selector . '[^>]*>).*?(<\/' . $selector . '>)/i';
+				return preg_replace( $pattern, '$1' . wp_kses_post( $source_value ) . '$2', $block_content );
+
+			case 'attribute':
+				$amended_content = new WP_HTML_Tag_Processor( $block_content );
+				if ( ! $amended_content->next_tag(
+					array(
+						// TODO: build the query from CSS selector.
+						'tag_name' => $block_type->attributes[ $attribute_name ]['selector'],
+					)
+				) ) {
+					return $block_content;
+				}
+				$amended_content->set_attribute( $block_type->attributes[ $attribute_name ]['attribute'], $source_value );
+				return $amended_content->get_updated_html();
 
-		default:
-			return $block_content;
+			default:
+				return $block_content;
+		}
 	}
-}
 
-// Only process block bindings if they are not processed in core.
-if ( ! class_exists( 'WP_Block_Bindings_Registry' ) ) {
 	/**
 	 * Process the block bindings attribute.
 	 *