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understrap/inc/extras.php

117 lines
3.4 KiB
PHP
Executable File

<?php
/**
* Custom functions that act independently of the theme templates
*
* Eventually, some of the functionality here could be replaced by core features
*
* @package understrap
*/
/**
* Get our wp_nav_menu() fallback, wp_page_menu(), to show a home link.
*
* @param array $args Configuration arguments.
* @return array
*/
function understrap_page_menu_args( $args ) {
$args['show_home'] = true;
return $args;
}
add_filter( 'wp_page_menu_args', 'understrap_page_menu_args' );
/**
* Adds custom classes to the array of body classes.
*
* @param array $classes Classes for the body element.
* @return array
*/
function understrap_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', 'understrap_body_classes' );
if ( version_compare( $GLOBALS['wp_version'], '4.1', '<' ) ) :
/**
* 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 understrap_wp_title( $title, $sep ) {
if ( is_feed() ) {
return $title;
}
global $page, $paged;
// Add the blog name
$title .= get_bloginfo( 'name', 'display' );
// 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 ) && ! is_404() ) {
$title .= " $sep " . sprintf( __( 'Page %s', 'understrap' ), max( $paged, $page ) );
}
return $title;
}
add_filter( 'wp_title', 'understrap_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 understrap_render_title() {
?>
<title><?php wp_title( '|', true, 'right' ); ?></title>
<?php
}
add_action( 'wp_head', 'understrap_render_title' );
endif;
if ( ! function_exists( '_wp_render_title_tag' ) ) :
/**
* 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 understrap_render_title() {
?>
<title><?php wp_title( '|', true, 'right' ); ?></title>
<?php
}
add_action( 'wp_head', 'understrap_render_title' );
endif;
/**
* Sets the authordata global when viewing an author archive.
*
* This provides backwards compatibility with
* http://core.trac.wordpress.org/changeset/25574
*
* It removes the need to call the_post() and rewind_posts() in an author
* template to print information about the author.
*
* @global WP_Query $wp_query WordPress Query object.
* @return void
*/
function understrap_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', 'understrap_setup_author' );