<?php /** * Change the class for sticky posts to .wp-sticky to avoid conflicts with Foundation's Sticky plugin * * @package arcHIVE-theme * @since FoundationPress 2.2.0 */ if ( ! function_exists( 'foundationpress_sticky_posts' ) ) : function foundationpress_sticky_posts( $classes ) { if ( in_array( 'sticky', $classes, true ) ) { $classes = array_diff( $classes, array( 'sticky' ) ); $classes[] = 'wp-sticky'; } return $classes; } add_filter( 'post_class', 'foundationpress_sticky_posts' ); endif;