X-Git-Url: https://scripts.mit.edu/gitweb/autoinstalls/wordpress.git/blobdiff_plain/177fd6fefd2e3d5a0ea6591c71d660cabdb3c1a4..607b7e02d77e7326161e8ec15639052d2040f745:/wp-includes/template-loader.php

diff --git a/wp-includes/template-loader.php b/wp-includes/template-loader.php
index e2a24f20..025f1a84 100644
--- a/wp-includes/template-loader.php
+++ b/wp-includes/template-loader.php
@@ -3,76 +3,81 @@
  * 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_home() && $template = get_home_template() ) {
-		include($template);
-		return;
-	} else if ( is_attachment() && $template = get_attachment_template() ) {
+if ( defined('WP_USE_THEMES') && WP_USE_THEMES )
+	/**
+	 * Fires before determining which template to load.
+	 *
+	 * @since 1.5.0
+	 */
+	do_action( 'template_redirect' );
+
+/**
+ * Filters 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;
+
+if ( defined('WP_USE_THEMES') && WP_USE_THEMES ) :
+	$template = false;
+	if     ( is_embed()          && $template = get_embed_template()          ) :
+	elseif ( 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()     && $template = get_attachment_template()     ) :
 		remove_filter('the_content', 'prepend_attachment');
-		include($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_tax() && $template = get_taxonomy_template()) {
-		include($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;
+	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_paged()          && $template = get_paged_template()          ) :
+	else :
+		$template = get_index_template();
+	endif;
+	/**
+	 * Filters 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 );
+	} elseif ( current_user_can( 'switch_themes' ) ) {
+		$theme = wp_get_theme();
+		if ( $theme->errors() ) {
+			wp_die( $theme->errors() );
+		}
 	}
-}
-
-?>
\ No newline at end of file
+	return;
+endif;