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<?php
/**
* Custom functions that act independently of the theme templates
*
* Eventually, some of the functionality here could be replaced by core features
*
* @package alexandria
*/
if ( ! function_exists( 'alexandria_body_classes' ) ) :
/**
* Adds custom classes to the array of body classes.
*/
function alexandria_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;
}
endif; // alexandria_body_classes
add_filter( 'body_class', 'alexandria_body_classes' );
if ( ! function_exists( 'alexandria_enhanced_image_navigation' ) ) :
/**
* Filter in a link to a content ID attribute for the next/previous image links on image attachment pages
*/
function alexandria_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;
}
endif; // alexandria_enhanced_image_navigation
add_filter( 'attachment_link', 'alexandria_enhanced_image_navigation', 10, 2 );