elephas_post_class.php

<?php
/*--------------------------------------------------------------------*/

add_filter('post_class', 'elephas_post_class_hook' );


if( !function_exists( 'elephas_post_class_hook' ) ){

    function elephas_post_class_hook( $post_class ){
    
        //Global post object
        global $post;

        foreach( (get_the_category( $post->ID ) ) as $category) {

            $post_class[] = $category->slug;

        }

        $post_class[] = 'block-grid';

        return $post_class;

    }

}
/*--------------------------------------------------------------------*/
?>

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