Add RankMath ratingValue schema support to Directorist

directorist-rank-math-rating-support.php

<?php

add_filter( 'rank_math/json_ld', function( $schemas, $jsonld ) {
	if ( ! ( defined( 'ATBDP_POST_TYPE' ) && is_singular( ATBDP_POST_TYPE ) ) ) {
		return $schemas;
	}

	foreach ( $schemas as $key => &$schema ) {
		if ( is_array( $schema['@type'] ) ) {
			continue;
		}

		$type = strtolower( $schema['@type'] );
        // You can more support extending the array
		if ( ! in_array( $type, array( 'product' ), true ) ) {
			continue;
		}

		if ( isset( $schema['review'], $schema['review']['reviewRating'] ) ) {
			$schema['review']['reviewRating'] = array_merge(
				$schema['review']['reviewRating'],
				array(
					'ratingValue' => ATBDP()->review->get_average( get_the_ID() )
				)
			);
		}
	}

	return $schemas;
}, 20, 2 );