WordPress 4.3

[autoinstalls/wordpress.git] / wp-includes / template-loader.php

diff --git a/wp-includes/template-loader.php b/wp-includes/template-loader.php
index 9fd4ffe5171d860ea89aeff68b7886badcd20087..95216fe5e0f5bb9b37fdba4a52745542c97df69b 100644 (file)
--- a/wp-includes/template-loader.php
+++ b/wp-includes/template-loader.php
@@ -3,76 +3,75 @@
  * Loads the correct template based on the visitor's url
  * @package WordPress
  */
-if ( defined('WP_USE_THEMES') && constant('WP_USE_THEMES') ) {
-       do_action('template_redirect');
-       if ( is_robots() ) {
-               do_action('do_robots');
-               return;
-       } else if ( is_feed() ) {
-               do_feed();
-               return;
-       } else if ( is_trackback() ) {
-               include(ABSPATH . 'wp-trackback.php');
-               return;
-       } else if ( is_404() && $template = get_404_template() ) {
-               include($template);
-               return;
-       } else if ( is_search() && $template = get_search_template() ) {
-               include($template);
-               return;
-       } else if ( is_tax() && $template = get_taxonomy_template()) {
-               include($template);
-               return;
-       } else if ( is_home() && $template = get_home_template() ) {
-               include($template);
-               return;
-       } else if ( is_attachment() && $template = get_attachment_template() ) {
-               remove_filter('the_content', 'prepend_attachment');
-               include($template);
-               return;
-       } else if ( is_single() && $template = get_single_template() ) {
-               include($template);
-               return;
-       } else if ( is_page() && $template = get_page_template() ) {
-               include($template);
-               return;
-       } else if ( is_category() && $template = get_category_template()) {
-               include($template);
-               return;
-       } else if ( is_tag() && $template = get_tag_template()) {
-               include($template);
-               return;
-       } else if ( is_author() && $template = get_author_template() ) {
-               include($template);
-               return;
-       } else if ( is_date() && $template = get_date_template() ) {
-               include($template);
-               return;
-       } else if ( is_archive() && $template = get_archive_template() ) {
-               include($template);
-               return;
-       } else if ( is_comments_popup() && $template = get_comments_popup_template() ) {
-               include($template);
-               return;
-       } else if ( is_paged() && $template = get_paged_template() ) {
-               include($template);
-               return;
-       } else if ( file_exists(TEMPLATEPATH . "/index.php") ) {
-               include(TEMPLATEPATH . "/index.php");
-               return;
-       }
-} else {
-       // Process feeds and trackbacks even if not using themes.
-       if ( is_robots() ) {
-               do_action('do_robots');
-               return;
-       } else if ( is_feed() ) {
-               do_feed();
-               return;
-       } else if ( is_trackback() ) {
-               include(ABSPATH . 'wp-trackback.php');
-               return;
-       }
-}
+if ( defined('WP_USE_THEMES') && WP_USE_THEMES )
+       /**
+        * Fires before determining which template to load.
+        *
+        * @since 1.5.0
+        */
+       do_action( 'template_redirect' );
+
+/**
+ * Filter whether to allow 'HEAD' requests to generate content.
+ *
+ * Provides a significant performance bump by exiting before the page
+ * content loads for 'HEAD' requests. See #14348.
+ *
+ * @since 3.5.0
+ *
+ * @param bool $exit Whether to exit without generating any content for 'HEAD' requests. Default true.
+ */
+if ( 'HEAD' === $_SERVER['REQUEST_METHOD'] && apply_filters( 'exit_on_http_head', true ) )
+       exit();
+
+// Process feeds and trackbacks even if not using themes.
+if ( is_robots() ) :
+       /**
+        * Fired when the template loader determines a robots.txt request.
+        *
+        * @since 2.1.0
+        */
+       do_action( 'do_robots' );
+       return;
+elseif ( is_feed() ) :
+       do_feed();
+       return;
+elseif ( is_trackback() ) :
+       include( ABSPATH . 'wp-trackback.php' );
+       return;
+endif;
 
-?>
\ No newline at end of file
+if ( defined('WP_USE_THEMES') && WP_USE_THEMES ) :
+       $template = false;
+       if     ( is_404()            && $template = get_404_template()            ) :
+       elseif ( is_search()         && $template = get_search_template()         ) :
+       elseif ( is_front_page()     && $template = get_front_page_template()     ) :
+       elseif ( is_home()           && $template = get_home_template()           ) :
+       elseif ( is_post_type_archive() && $template = get_post_type_archive_template() ) :
+       elseif ( is_tax()            && $template = get_taxonomy_template()       ) :
+       elseif ( is_attachment()     && $template = get_attachment_template()     ) :
+               remove_filter('the_content', 'prepend_attachment');
+       elseif ( is_single()         && $template = get_single_template()         ) :
+       elseif ( is_page()           && $template = get_page_template()           ) :
+       elseif ( is_singular()       && $template = get_singular_template()       ) :
+       elseif ( is_category()       && $template = get_category_template()       ) :
+       elseif ( is_tag()            && $template = get_tag_template()            ) :
+       elseif ( is_author()         && $template = get_author_template()         ) :
+       elseif ( is_date()           && $template = get_date_template()           ) :
+       elseif ( is_archive()        && $template = get_archive_template()        ) :
+       elseif ( is_comments_popup() && $template = get_comments_popup_template() ) :
+       elseif ( is_paged()          && $template = get_paged_template()          ) :
+       else :
+               $template = get_index_template();
+       endif;
+       /**
+        * Filter the path of the current template before including it.
+        *
+        * @since 3.0.0
+        *
+        * @param string $template The path of the template to include.
+        */
+       if ( $template = apply_filters( 'template_include', $template ) )
+               include( $template );
+       return;
+endif;