/wp-includes/template.php
PHP | 394 lines | 140 code | 51 blank | 203 comment | 20 complexity | f1555ae42706ef30aca64a72bcda0778 MD5 | raw file
- <?php
- /**
- * Template loading functions.
- *
- * @package WordPress
- * @subpackage Template
- */
- /**
- * Retrieve path to a template
- *
- * Used to quickly retrieve the path of a template without including the file
- * extension. It will also check the parent theme, if the file exists, with
- * the use of {@link locate_template()}. Allows for more generic template location
- * without the use of the other get_*_template() functions.
- *
- * @since 1.5.0
- *
- * @param string $type Filename without extension.
- * @param array $templates An optional list of template candidates
- * @return string Full path to file.
- */
- function get_query_template( $type, $templates = array() ) {
- $type = preg_replace( '|[^a-z0-9-]+|', '', $type );
- if ( empty( $templates ) )
- $templates = array("{$type}.php");
- return apply_filters( "{$type}_template", locate_template( $templates ) );
- }
- /**
- * Retrieve path of index template in current or parent template.
- *
- * @since 3.0.0
- *
- * @return string
- */
- function get_index_template() {
- return get_query_template('index');
- }
- /**
- * Retrieve path of 404 template in current or parent template.
- *
- * @since 1.5.0
- *
- * @return string
- */
- function get_404_template() {
- return get_query_template('404');
- }
- /**
- * Retrieve path of archive template in current or parent template.
- *
- * @since 1.5.0
- *
- * @return string
- */
- function get_archive_template() {
- $post_type = get_query_var( 'post_type' );
- $templates = array();
- if ( $post_type )
- $templates[] = "archive-{$post_type}.php";
- $templates[] = 'archive.php';
- return get_query_template( 'archive', $templates );
- }
- /**
- * Retrieve path of author template in current or parent template.
- *
- * @since 1.5.0
- *
- * @return string
- */
- function get_author_template() {
- $author = get_queried_object();
- $templates = array();
- $templates[] = "author-{$author->user_nicename}.php";
- $templates[] = "author-{$author->ID}.php";
- $templates[] = 'author.php';
- return get_query_template( 'author', $templates );
- }
- /**
- * Retrieve path of category template in current or parent template.
- *
- * Works by first retrieving the current slug for example 'category-default.php' and then
- * trying category ID, for example 'category-1.php' and will finally fallback to category.php
- * template, if those files don't exist.
- *
- * @since 1.5.0
- * @uses apply_filters() Calls 'category_template' on file path of category template.
- *
- * @return string
- */
- function get_category_template() {
- $category = get_queried_object();
- $templates = array();
- $templates[] = "category-{$category->slug}.php";
- $templates[] = "category-{$category->term_id}.php";
- $templates[] = 'category.php';
- return get_query_template( 'category', $templates );
- }
- /**
- * Retrieve path of tag template in current or parent template.
- *
- * Works by first retrieving the current tag name, for example 'tag-wordpress.php' and then
- * trying tag ID, for example 'tag-1.php' and will finally fallback to tag.php
- * template, if those files don't exist.
- *
- * @since 2.3.0
- * @uses apply_filters() Calls 'tag_template' on file path of tag template.
- *
- * @return string
- */
- function get_tag_template() {
- $tag = get_queried_object();
- $templates = array();
- $templates[] = "tag-{$tag->slug}.php";
- $templates[] = "tag-{$tag->term_id}.php";
- $templates[] = 'tag.php';
- return get_query_template( 'tag', $templates );
- }
- /**
- * Retrieve path of taxonomy template in current or parent template.
- *
- * Retrieves the taxonomy and term, if term is available. The template is
- * prepended with 'taxonomy-' and followed by both the taxonomy string and
- * the taxonomy string followed by a dash and then followed by the term.
- *
- * The taxonomy and term template is checked and used first, if it exists.
- * Second, just the taxonomy template is checked, and then finally, taxonomy.php
- * template is used. If none of the files exist, then it will fall back on to
- * index.php.
- *
- * @since 2.5.0
- * @uses apply_filters() Calls 'taxonomy_template' filter on found path.
- *
- * @return string
- */
- function get_taxonomy_template() {
- $term = get_queried_object();
- $taxonomy = $term->taxonomy;
- $templates = array();
- $templates[] = "taxonomy-$taxonomy-{$term->slug}.php";
- $templates[] = "taxonomy-$taxonomy.php";
- $templates[] = 'taxonomy.php';
- return get_query_template( 'taxonomy', $templates );
- }
- /**
- * Retrieve path of date template in current or parent template.
- *
- * @since 1.5.0
- *
- * @return string
- */
- function get_date_template() {
- return get_query_template('date');
- }
- /**
- * Retrieve path of home template in current or parent template.
- *
- * This is the template used for the page containing the blog posts
- *
- * Attempts to locate 'home.php' first before falling back to 'index.php'.
- *
- * @since 1.5.0
- * @uses apply_filters() Calls 'home_template' on file path of home template.
- *
- * @return string
- */
- function get_home_template() {
- $templates = array( 'home.php', 'index.php' );
- return get_query_template( 'home', $templates );
- }
- /**
- * Retrieve path of front-page template in current or parent template.
- *
- * Looks for 'front-page.php'.
- *
- * @since 3.0.0
- * @uses apply_filters() Calls 'front_page_template' on file path of template.
- *
- * @return string
- */
- function get_front_page_template() {
- $templates = array('front-page.php');
- return get_query_template( 'front_page', $templates );
- }
- /**
- * Retrieve path of page template in current or parent template.
- *
- * Will first look for the specifically assigned page template
- * The will search for 'page-{slug}.php' followed by 'page-id.php'
- * and finally 'page.php'
- *
- * @since 1.5.0
- *
- * @return string
- */
- function get_page_template() {
- $id = get_queried_object_id();
- $template = get_page_template_slug();
- $pagename = get_query_var('pagename');
- if ( ! $pagename && $id ) {
- // If a static page is set as the front page, $pagename will not be set. Retrieve it from the queried object
- $post = get_queried_object();
- $pagename = $post->post_name;
- }
- $templates = array();
- if ( $template && 0 === validate_file( $template ) )
- $templates[] = $template;
- if ( $pagename )
- $templates[] = "page-$pagename.php";
- if ( $id )
- $templates[] = "page-$id.php";
- $templates[] = 'page.php';
- return get_query_template( 'page', $templates );
- }
- /**
- * Retrieve path of paged template in current or parent template.
- *
- * @since 1.5.0
- *
- * @return string
- */
- function get_paged_template() {
- return get_query_template('paged');
- }
- /**
- * Retrieve path of search template in current or parent template.
- *
- * @since 1.5.0
- *
- * @return string
- */
- function get_search_template() {
- return get_query_template('search');
- }
- /**
- * Retrieve path of single template in current or parent template.
- *
- * @since 1.5.0
- *
- * @return string
- */
- function get_single_template() {
- $object = get_queried_object();
- $templates = array();
- $templates[] = "single-{$object->post_type}.php";
- $templates[] = "single.php";
- return get_query_template( 'single', $templates );
- }
- /**
- * Retrieve path of attachment template in current or parent template.
- *
- * The attachment path first checks if the first part of the mime type exists.
- * The second check is for the second part of the mime type. The last check is
- * for both types separated by an underscore. If neither are found then the file
- * 'attachment.php' is checked and returned.
- *
- * Some examples for the 'text/plain' mime type are 'text.php', 'plain.php', and
- * finally 'text_plain.php'.
- *
- * @since 2.0.0
- *
- * @return string
- */
- function get_attachment_template() {
- global $posts;
- $type = explode('/', $posts[0]->post_mime_type);
- if ( $template = get_query_template($type[0]) )
- return $template;
- elseif ( $template = get_query_template($type[1]) )
- return $template;
- elseif ( $template = get_query_template("$type[0]_$type[1]") )
- return $template;
- else
- return get_query_template('attachment');
- }
- /**
- * Retrieve path of comment popup template in current or parent template.
- *
- * Checks for comment popup template in current template, if it exists or in the
- * parent template.
- *
- * @since 1.5.0
- * @uses apply_filters() Calls 'comments_popup_template' filter on path.
- *
- * @return string
- */
- function get_comments_popup_template() {
- $template = get_query_template( 'comments_popup', array( 'comments-popup.php' ) );
- // Backward compat code will be removed in a future release
- if ('' == $template)
- $template = ABSPATH . WPINC . '/theme-compat/comments-popup.php';
- return $template;
- }
- /**
- * Retrieve the name of the highest priority template file that exists.
- *
- * Searches in the STYLESHEETPATH before TEMPLATEPATH so that themes which
- * inherit from a parent theme can just overload one file.
- *
- * @since 2.7.0
- *
- * @param string|array $template_names Template file(s) to search for, in order.
- * @param bool $load If true the template file will be loaded if it is found.
- * @param bool $require_once Whether to require_once or require. Default true. Has no effect if $load is false.
- * @return string The template filename if one is located.
- */
- function locate_template($template_names, $load = false, $require_once = true ) {
- $located = '';
- foreach ( (array) $template_names as $template_name ) {
- if ( !$template_name )
- continue;
- if ( file_exists(STYLESHEETPATH . '/' . $template_name)) {
- $located = STYLESHEETPATH . '/' . $template_name;
- break;
- } else if ( file_exists(TEMPLATEPATH . '/' . $template_name) ) {
- $located = TEMPLATEPATH . '/' . $template_name;
- break;
- }
- }
- if ( $load && '' != $located )
- load_template( $located, $require_once );
- return $located;
- }
- /**
- * Require the template file with WordPress environment.
- *
- * The globals are set up for the template file to ensure that the WordPress
- * environment is available from within the function. The query variables are
- * also available.
- *
- * @since 1.5.0
- *
- * @param string $_template_file Path to template file.
- * @param bool $require_once Whether to require_once or require. Default true.
- */
- function load_template( $_template_file, $require_once = true ) {
- global $posts, $post, $wp_did_header, $wp_query, $wp_rewrite, $wpdb, $wp_version, $wp, $id, $comment, $user_ID;
- if ( is_array( $wp_query->query_vars ) )
- extract( $wp_query->query_vars, EXTR_SKIP );
- if ( $require_once )
- require_once( $_template_file );
- else
- require( $_template_file );
- }