inner_block_regex( $block_name ), $content, $matches ) ) { return $matches[0]; } return false; } /** * Get the regex that will return an inner block. * * @param string $block_name Name of the order summary inner block. * @return string Regex pattern. */ private function inner_block_regex( $block_name ) { return '/
(.*?)<\/div>/si'; } /** * Render the Checkout Order Summary block. * * @param array $attributes Block attributes. * @param string $content Block content. * @param object $block Block object. * @return string Rendered block. */ protected function render( $attributes, $content, $block ) { // The order-summary-totals block was introduced as a new parent block for the totals // (subtotal, discount, fees, shipping and taxes) blocks. $regex_for_checkout_order_summary_totals = '/
/'; $order_summary_totals_content = '
'; // We want to move these blocks inside a parent 'totals' block. $totals_inner_blocks = array( 'subtotal', 'discount', 'fee', 'shipping', 'taxes' ); if ( preg_match( $regex_for_checkout_order_summary_totals, $content ) ) { return $content; } foreach ( $totals_inner_blocks as $key => $block_name ) { $inner_block_content = $this->get_inner_block_content( $block_name, $content ); if ( $inner_block_content ) { $order_summary_totals_content .= "\n" . $inner_block_content; // The last block is replaced with the totals block. if ( count( $totals_inner_blocks ) - 1 === $key ) { $order_summary_totals_content .= '
'; $content = preg_replace( $this->inner_block_regex( $block_name ), $order_summary_totals_content, $content ); } else { // Otherwise, remove the block. $content = preg_replace( $this->inner_block_regex( $block_name ), '', $content ); } } } // Remove empty lines. return preg_replace( '/\n\n( *?)/i', '', $content ); } }