<?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;
}