post meta

function et_pb_postinfo_meta( $postinfo, $date_format, $comment_zero, $comment_one, $comment_more ){
    $postinfo_meta = '';

    if ( in_array( 'author', $postinfo ) )
        $postinfo_meta .= ' ' . esc_html__( 'by', 'et_builder' ) . ' <span class="author vcard">' . et_pb_get_the_author_posts_link() . '</span>';

    if ( in_array( 'date', $postinfo ) ) {
        if ( in_array( 'author', $postinfo ) ) $postinfo_meta .= ' | ';
        $postinfo_meta .= '<span class="published">' . esc_html( get_the_time( wp_unslash( $date_format ) ) ) . '</span>';
    }

    if ( in_array( 'categories', $postinfo ) ) {
        $categories_list = get_the_category_list(', ');

        // do not output anything if no categories retrieved
        if ( '' !== $categories_list ) {
            if ( in_array( 'author', $postinfo ) || in_array( 'date', $postinfo ) ) $postinfo_meta .= ' | ';

            $postinfo_meta .= $categories_list;
        }
    }

    if ( in_array( 'comments', $postinfo ) ){
        if ( in_array( 'author', $postinfo ) || in_array( 'date', $postinfo ) || in_array( 'categories', $postinfo ) ) $postinfo_meta .= ' | ';
        $postinfo_meta .= et_pb_get_comments_popup_link( $comment_zero, $comment_one, $comment_more );
    }

    return $postinfo_meta;
}