', esc_url( get_bloginfo( 'pingback_url' ) ) ); } } add_action( 'wp_head', 'xarxaprod_pingback_header' ); /** * Detect if the Xarxaprod "xarxaprod" plugin is active */ function xarxaprod_plugin_active() { // Detect plugin. For use on Front End only. include_once( ABSPATH . 'wp-admin/includes/plugin.php' ); // check for plugin using plugin name if ( is_plugin_active( 'xarxaprod-wp-plugin/xarxaprod-wp-plugin.php' ) ) { //plugin is activated do } //do stuff here } //closing if is_plugin_active //add_action( 'wp_head', 'xarxaprod_plugin_active' ); /** * Echo the post type slug */ function xarxaprod_class_posttype (){ if( is_post_type_archive( array('xarxaprod-ajut') )) { echo 'archive-custom-post-type-'; printf(get_post_type_object( get_post_type() )->rewrite['slug'] ); } }