<?php

/**
 * Functions which enhance the theme by hooking into WordPress
 *
 * @package dro_web_trader
 */
if ( ! function_exists( 'dro_web_trader_body_classes' ) ) :

	/**
	 * Adds custom classes to the array of body classes.
	 *
	 * @param array $classes Classes for the body element.
	 * @return array
	 */
	function dro_web_trader_body_classes( $classes ) {
		// Adds a class of hfeed to non-singular pages.
		if ( ! is_singular() ) {
			$classes[] = 'hfeed';
		}

		// Adds a class of no-sidebar when there is no sidebar present.
		if ( ! is_active_sidebar( 'sidebar-1' ) ) {
			$classes[] = 'no-sidebar';
		}

		return $classes;
	}

endif;
add_filter( 'body_class', 'dro_web_trader_body_classes' );


if ( ! function_exists( 'dro_web_trader_article_classes' ) ) :

	/**
	 * Add custom classes to the <article>
	 *
	 * @param array $classes Classes for the article element
	 * @return array
	 */
	function dro_web_trader_article_classes( $classes ) {
		if ( is_single() ) {
			$classes[] = 'row';
		}
		if ( is_front_page() || is_archive() || is_search() ) {
			$classes[] = 'post-item';
		}

		return $classes;
	}

endif;
add_filter( 'post_class', 'dro_web_trader_article_classes' );

/**
 * Add a pingback url auto-discovery header for single posts, pages, or attachments.
 */
function dro_web_trader_pingback_header() {
	if ( is_singular() && pings_open() ) {
		echo '<link rel="pingback" href="', esc_url( get_bloginfo( 'pingback_url' ) ), '">';
	}
}

add_action( 'wp_head', 'dro_web_trader_pingback_header' );

