name : template-loader.php <?php /** * Loads the correct template based on the visitor's url * * @package WordPress */ if ( wp_using_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_favicon() ) { /** * Fired when the template loader determines a favicon.ico request. * * @since 5.4.0 */ do_action( 'do_favicon' ); return; } elseif ( is_feed() ) { do_feed(); return; } elseif ( is_trackback() ) { require ABSPATH . 'wp-trackback.php'; return; } if ( wp_using_themes() ) { $tag_templates = array( 'is_embed' => 'get_embed_template', 'is_404' => 'get_404_template', 'is_search' => 'get_search_template', 'is_front_page' => 'get_front_page_template', 'is_home' => 'get_home_template', 'is_privacy_policy' => 'get_privacy_policy_template', 'is_post_type_archive' => 'get_post_type_archive_template', 'is_tax' => 'get_taxonomy_template', 'is_attachment' => 'get_attachment_template', 'is_single' => 'get_single_template', 'is_page' => 'get_page_template', 'is_singular' => 'get_singular_template', 'is_category' => 'get_category_template', 'is_tag' => 'get_tag_template', 'is_author' => 'get_author_template', 'is_date' => 'get_date_template', 'is_archive' => 'get_archive_template', ); $template = false; // Loop through each of the template conditionals, and find the appropriate template file. foreach ( $tag_templates as $tag => $template_getter ) { if ( call_user_func( $tag ) ) { $template = call_user_func( $template_getter ); } if ( $template ) { if ( 'is_attachment' === $tag ) { remove_filter( 'the_content', 'prepend_attachment' ); } break; } } if ( ! $template ) { $template = get_index_template(); } /** * Filters the path of the current template before including it. * * @since 3.0.0 * * @param string $template The path of the template to include. */ $template = apply_filters( 'template_include', $template ); if ( $template ) { include $template; } elseif ( current_user_can( 'switch_themes' ) ) { $theme = wp_get_theme(); if ( $theme->errors() ) { wp_die( $theme->errors() ); } } return; }