_remove_theme_attribute_in_block_template_content( string $template_content ): string

6104function _remove_theme_attribute_in_block_template_content( $template_content ) {6105	_deprecated_function(6106		__FUNCTION__,6107		'6.4.0',6108		'traverse_and_serialize_blocks( parse_blocks( $template_content ), "_remove_theme_attribute_from_template_part_block" )'6109	);6110 6111	$has_updated_content = false;6112	$new_content         = '';6113	$template_blocks     = parse_blocks( $template_content );6114 6115	$blocks = _flatten_blocks( $template_blocks );6116	foreach ( $blocks as $key => $block ) {6117		if ( 'core/template-part' === $block['blockName'] && isset( $block['attrs']['theme'] ) ) {6118			unset( $blocks[ $key ]['attrs']['theme'] );6119			$has_updated_content = true;6120		}6121	}6122 6123	if ( ! $has_updated_content ) {6124		return $template_content;6125	}6126 6127	foreach ( $template_blocks as $block ) {6128		$new_content .= serialize_block( $block );6129	}6130 6131	return $new_content;6132}