Edit file File name : class-astra-wp-block-parser.php Content :<?php /** * Astra Block parser * * @package Astra Addon */ /** * Astra Block Parser * * @since 3.2.0 */ // @codingStandardsIgnoreStart class Astra_WP_Block_Parser extends WP_Block_Parser { // @codingStandardsIgnoreEnd /** * Parse block document. * * @param string $document block document. */ public function parse( $document ) { $result = parent::parse( $document ); $current_index = 0; $current_heading_index = 0; foreach ( $result as $index => $first_level_block ) { $result[ $index ]['firstLevelBlock'] = true; $inner_html = trim( $first_level_block['innerHTML'] ); if ( ! empty( $inner_html ) && ! empty( $first_level_block['blockName'] ) ) { $result[ $index ]['firstLevelBlockIndex'] = $current_index++; if ( strpos( $first_level_block['blockName'], 'heading' ) !== false || strpos( $first_level_block['blockName'], 'headline' ) !== false || in_array( substr( $inner_html, 0, 3 ), array( '<h1', '<h2', '<h3', '<h4', '<h5', '<h6', ) ) ) { $result[ $index ]['firstLevelHeadingIndex'] = $current_heading_index++; } } } return $result; } } Save