<?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;

}