<?php

function flymag_page_menu_args( $args ) {
	$args['show_home'] = true;
	return $args;
}
add_filter( 'wp_page_menu_args', 'flymag_page_menu_args' );


function flymag_body_classes( $classes ) {
	// Adds a class of group-blog to blogs with more than 1 published author.
	if ( is_multi_author() ) {
		$classes[] = 'group-blog';
	}

	return $classes;
}
add_filter( 'body_class', 'flymag_body_classes' );

if ( version_compare( $GLOBALS['wp_version'], '4.1', '<' ) ) :
	
	function flymag_wp_title( $title, $sep ) {
		if ( is_feed() ) {
			return $title;
		}

		global $page, $paged;

		
		$title .= get_bloginfo( 'name', 'display' );

		$site_description = get_bloginfo( 'description', 'display' );
		if ( $site_description && ( is_home() || is_front_page() ) ) {
			$title .= " $sep $site_description";
		}

		if ( ( $paged >= 2 || $page >= 2 ) && ! is_404() ) {
		    /* translators: %s is page number */
			$title .= " $sep " . sprintf( __( 'Page %s', 'flymag' ), max( $paged, $page ) );
		}

		return $title;
	}
	add_filter( 'wp_title', 'flymag_wp_title', 10, 2 );

	/**
	 * Title shim for sites older than WordPress 4.1.
	 *
	 * @link https://make.wordpress.org/core/2014/10/29/title-tags-in-4-1/
	 * @todo Remove this function when WordPress 4.3 is released.
	 */
	function flymag_render_title() {
		?>
		<title><?php wp_title( '|', true, 'right' ); ?></title>
		<?php
	}
	add_action( 'wp_head', 'flymag_render_title' );
endif;


function flymag_setup_author() {
	global $wp_query;

	if ( $wp_query->is_author() && isset( $wp_query->post ) ) {
		$GLOBALS['authordata'] = get_userdata( $wp_query->post->post_author );
	}
}
add_action( 'wp', 'flymag_setup_author' );
