Answers for "Insert Ads Every 3 Times Paragraph"

Insert Ads Every 3 Times Paragraph

function insert_ad_block( $text ) {

    if ( is_single() ) :

        $ads_text = '<div class="center">' . get_field('blog_post_ad', 'option') . '</div>';
        $split_by = "\n";
        $insert_after = 3; //number of paragraphs

        // make array of paragraphs
        $paragraphs = explode( $split_by, $text);

            if ( count( $paragraphs ) > $insert_after ) {

                        $new_text = '';     // new text
                        $i = 1;             // current ad index

                        // loop through array and build string for output
                        foreach( $paragraphs as $paragraph ) {
                            // add paragraph, preceeded by an ad after every $insert_after
                            $new_text .= ( $i % $insert_after == 0 ? $ads_text : '' ) . $paragraph;
                            // increase index
                            $i++;
                        }

                        return $new_text;
            }


            // otherwise just add the ad to the end of the text
            return $text . $ads_text;

    endif;

    return $text;

}
add_filter('the_content', 'insert_ad_block');