wp_restore_image_outer_container( string $block_content, array $block ): string

1040function wp_restore_image_outer_container( $block_content, $block ) {1041	$image_with_align = "1042/# 1) everything up to the class attribute contents1043(1044	^\s*1045	<figure\b1046	[^>]*1047	\bclass=1048	[\"']1049)1050# 2) the class attribute contents1051(1052	[^\"']*1053	\bwp-block-image\b1054	[^\"']*1055	\b(?:alignleft|alignright|aligncenter)\b1056	[^\"']*1057)1058# 3) everything after the class attribute contents1059(1060	[\"']1061	[^>]*1062	>1063	.*1064	<\/figure>1065)/iUx";1066 1067	if (1068		wp_theme_has_theme_json() ||1069		0 === preg_match( $image_with_align, $block_content, $matches )1070	) {1071		return $block_content;1072	}1073 1074	$wrapper_classnames = array( 'wp-block-image' );1075 1076	// If the block has a classNames attribute these classnames need to be removed from the content and added back1077	// to the new wrapper div also.1078	if ( ! empty( $block['attrs']['className'] ) ) {1079		$wrapper_classnames = array_merge( $wrapper_classnames, explode( ' ', $block['attrs']['className'] ) );1080	}1081	$content_classnames          = explode( ' ', $matches[2] );1082	$filtered_content_classnames = array_diff( $content_classnames, $wrapper_classnames );1083 1084	return '<div class="' . implode( ' ', $wrapper_classnames ) . '">' . $matches[1] . implode( ' ', $filtered_content_classnames ) . $matches[3] . '</div>';1085}