Use count() instead of sizeof()
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@ -792,7 +792,7 @@ function wc_get_min_max_price_meta_query( $args ) {
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* Get relateed products.
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*
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* @since 2.7.0
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* @param int $product_id Product ID
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* @param int $product_id Product ID.
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* @param int $limit Limit of results.
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* @param array $exclude_ids Exclude IDs from the results.
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* @return array
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@ -807,7 +807,7 @@ function wc_get_related_products( $product_id, $limit = 5, $exclude_ids = array(
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$limit = $limit > 0 ? $limit : 5;
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// We want to query related posts if they are not cached, or we don't have enough.
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if ( false === $related_posts || sizeof( $related_posts ) < $limit ) {
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if ( false === $related_posts || count( $related_posts ) < $limit ) {
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// Related products are found from category and tags.
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if ( apply_filters( 'woocommerce_product_related_posts_relate_by_category', true, $product_id ) ) {
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$cats_array = wc_get_related_terms( $product_id, 'product_cat' );
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