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_s/inc/extras.php

81 lines
2.1 KiB
PHP

<?php
/**
* Custom functions that act independently of the theme templates
*
* Eventually, some of the functionality here could be replaced by core features
*
* @package _s
*/
/**
* Get our wp_nav_menu() fallback, wp_page_menu(), to show a home link.
*
* @param array $args Configuration arguments.
* @return array
*/
function _s_page_menu_args( $args ) {
$args['show_home'] = true;
return $args;
}
add_filter( 'wp_page_menu_args', '_s_page_menu_args' );
/**
* Adds custom classes to the array of body classes.
*
* @param array $classes Classes for the body element.
* @return array
*/
function _s_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', '_s_body_classes' );
/**
* Filter in a link to a content ID attribute for the next/previous image links
* on image attachment pages.
*/
function _s_enhanced_image_navigation( $url, $id ) {
if ( ! is_attachment() && ! wp_attachment_is_image( $id ) )
return $url;
$image = get_post( $id );
if ( ! empty( $image->post_parent ) && $image->post_parent != $id )
$url .= '#main';
return $url;
}
add_filter( 'attachment_link', '_s_enhanced_image_navigation', 10, 2 );
/**
* Filters wp_title to print a neat <title> tag based on what is being viewed.
*
* @param string $title Default title text for current view.
* @param string $sep Optional separator.
* @return string The filtered title.
*/
function _s_wp_title( $title, $sep ) {
global $page, $paged;
if ( is_feed() )
return $title;
// Add the blog name
$title .= get_bloginfo( 'name' );
// Add the blog description for the home/front page.
$site_description = get_bloginfo( 'description', 'display' );
if ( $site_description && ( is_home() || is_front_page() ) )
$title .= " $sep $site_description";
// Add a page number if necessary:
if ( $paged >= 2 || $page >= 2 )
$title .= " $sep " . sprintf( __( 'Page %s', '_s' ), max( $paged, $page ) );
return $title;
}
add_filter( 'wp_title', '_s_wp_title', 10, 2 );