690 lines
19 KiB
PHP
690 lines
19 KiB
PHP
<?php
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/**
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* Template loading functions.
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*
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* @package WordPress
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* @subpackage Template
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*/
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/**
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* Retrieve path to a template
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*
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* Used to quickly retrieve the path of a template without including the file
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* extension. It will also check the parent theme, if the file exists, with
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* the use of locate_template(). Allows for more generic template location
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* without the use of the other get_*_template() functions.
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*
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* @since 1.5.0
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*
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* @param string $type Filename without extension.
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* @param array $templates An optional list of template candidates
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* @return string Full path to template file.
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*/
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function get_query_template( $type, $templates = array() ) {
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$type = preg_replace( '|[^a-z0-9-]+|', '', $type );
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if ( empty( $templates ) )
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$templates = array("{$type}.php");
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/**
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* Filters the list of template filenames that are searched for when retrieving a template to use.
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*
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* The last element in the array should always be the fallback template for this query type.
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*
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* Possible values for `$type` include: 'index', '404', 'archive', 'author', 'category', 'tag', 'taxonomy', 'date',
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* 'embed', home', 'frontpage', 'page', 'paged', 'search', 'single', 'singular', and 'attachment'.
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*
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* @since 4.7.0
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*
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* @param array $templates A list of template candidates, in descending order of priority.
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*/
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$templates = apply_filters( "{$type}_template_hierarchy", $templates );
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$template = locate_template( $templates );
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/**
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* Filters the path of the queried template by type.
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*
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* The dynamic portion of the hook name, `$type`, refers to the filename -- minus the file
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* extension and any non-alphanumeric characters delimiting words -- of the file to load.
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* This hook also applies to various types of files loaded as part of the Template Hierarchy.
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*
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* Possible values for `$type` include: 'index', '404', 'archive', 'author', 'category', 'tag', 'taxonomy', 'date',
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* 'embed', home', 'frontpage', 'page', 'paged', 'search', 'single', 'singular', and 'attachment'.
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*
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* @since 1.5.0
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*
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* @param string $template Path to the template. See locate_template().
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*/
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return apply_filters( "{$type}_template", $template );
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}
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/**
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* Retrieve path of index template in current or parent template.
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*
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* The template hierarchy is filterable via the {@see 'index_template_hierarchy'} hook.
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* The template path is filterable via the {@see 'index_template'} hook.
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*
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* @since 3.0.0
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*
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* @see get_query_template()
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*
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* @return string Full path to index template file.
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*/
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function get_index_template() {
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return get_query_template('index');
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}
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/**
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* Retrieve path of 404 template in current or parent template.
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*
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* The template hierarchy is filterable via the {@see '404_template_hierarchy'} hook.
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* The template path is filterable via the {@see '404_template'} hook.
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*
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* @since 1.5.0
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*
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* @see get_query_template()
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*
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* @return string Full path to 404 template file.
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*/
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function get_404_template() {
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return get_query_template('404');
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}
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/**
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* Retrieve path of archive template in current or parent template.
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*
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* The template hierarchy is filterable via the {@see 'archive_template_hierarchy'} hook.
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* The template path is filterable via the {@see 'archive_template'} hook.
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*
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* @since 1.5.0
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*
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* @see get_query_template()
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*
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* @return string Full path to archive template file.
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*/
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function get_archive_template() {
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$post_types = array_filter( (array) get_query_var( 'post_type' ) );
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$templates = array();
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if ( count( $post_types ) == 1 ) {
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$post_type = reset( $post_types );
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$templates[] = "archive-{$post_type}.php";
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}
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$templates[] = 'archive.php';
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return get_query_template( 'archive', $templates );
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}
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/**
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* Retrieve path of post type archive template in current or parent template.
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*
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* The template hierarchy is filterable via the {@see 'archive_template_hierarchy'} hook.
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* The template path is filterable via the {@see 'archive_template'} hook.
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*
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* @since 3.7.0
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*
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* @see get_archive_template()
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*
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* @return string Full path to archive template file.
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*/
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function get_post_type_archive_template() {
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$post_type = get_query_var( 'post_type' );
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if ( is_array( $post_type ) )
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$post_type = reset( $post_type );
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$obj = get_post_type_object( $post_type );
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if ( ! ( $obj instanceof WP_Post_Type ) || ! $obj->has_archive ) {
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return '';
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}
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return get_archive_template();
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}
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/**
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* Retrieve path of author template in current or parent template.
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*
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* The hierarchy for this template looks like:
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*
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* 1. author-{nicename}.php
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* 2. author-{id}.php
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* 3. author.php
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*
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* An example of this is:
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*
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* 1. author-john.php
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* 2. author-1.php
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* 3. author.php
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*
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* The template hierarchy is filterable via the {@see 'author_template_hierarchy'} hook.
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* The template path is filterable via the {@see 'author_template'} hook.
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*
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* @since 1.5.0
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*
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* @see get_query_template()
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*
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* @return string Full path to author template file.
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*/
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function get_author_template() {
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$author = get_queried_object();
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$templates = array();
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if ( $author instanceof WP_User ) {
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$templates[] = "author-{$author->user_nicename}.php";
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$templates[] = "author-{$author->ID}.php";
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}
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$templates[] = 'author.php';
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return get_query_template( 'author', $templates );
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}
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/**
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* Retrieve path of category template in current or parent template.
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*
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* The hierarchy for this template looks like:
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*
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* 1. category-{slug}.php
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* 2. category-{id}.php
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* 3. category.php
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*
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* An example of this is:
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*
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* 1. category-news.php
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* 2. category-2.php
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* 3. category.php
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*
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* The template hierarchy is filterable via the {@see 'category_template_hierarchy'} hook.
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* The template path is filterable via the {@see 'category_template'} hook.
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*
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* @since 1.5.0
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* @since 4.7.0 The decoded form of `category-{slug}.php` was added to the top of the
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* template hierarchy when the category slug contains multibyte characters.
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*
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* @see get_query_template()
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*
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* @return string Full path to category template file.
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*/
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function get_category_template() {
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$category = get_queried_object();
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$templates = array();
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if ( ! empty( $category->slug ) ) {
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$slug_decoded = urldecode( $category->slug );
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if ( $slug_decoded !== $category->slug ) {
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$templates[] = "category-{$slug_decoded}.php";
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}
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$templates[] = "category-{$category->slug}.php";
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$templates[] = "category-{$category->term_id}.php";
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}
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$templates[] = 'category.php';
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return get_query_template( 'category', $templates );
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}
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/**
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* Retrieve path of tag template in current or parent template.
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*
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* The hierarchy for this template looks like:
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*
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* 1. tag-{slug}.php
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* 2. tag-{id}.php
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* 3. tag.php
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*
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* An example of this is:
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*
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* 1. tag-wordpress.php
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* 2. tag-3.php
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* 3. tag.php
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*
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* The template hierarchy is filterable via the {@see 'tag_template_hierarchy'} hook.
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* The template path is filterable via the {@see 'tag_template'} hook.
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*
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* @since 2.3.0
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* @since 4.7.0 The decoded form of `tag-{slug}.php` was added to the top of the
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* template hierarchy when the tag slug contains multibyte characters.
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*
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* @see get_query_template()
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*
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* @return string Full path to tag template file.
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*/
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function get_tag_template() {
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$tag = get_queried_object();
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$templates = array();
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if ( ! empty( $tag->slug ) ) {
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$slug_decoded = urldecode( $tag->slug );
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if ( $slug_decoded !== $tag->slug ) {
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$templates[] = "tag-{$slug_decoded}.php";
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}
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$templates[] = "tag-{$tag->slug}.php";
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$templates[] = "tag-{$tag->term_id}.php";
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}
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$templates[] = 'tag.php';
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return get_query_template( 'tag', $templates );
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}
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/**
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* Retrieve path of custom taxonomy term template in current or parent template.
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*
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* The hierarchy for this template looks like:
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*
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* 1. taxonomy-{taxonomy_slug}-{term_slug}.php
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* 2. taxonomy-{taxonomy_slug}.php
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* 3. taxonomy.php
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*
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* An example of this is:
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*
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* 1. taxonomy-location-texas.php
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* 2. taxonomy-location.php
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* 3. taxonomy.php
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*
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* The template hierarchy is filterable via the {@see 'taxonomy_template_hierarchy'} hook.
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* The template path is filterable via the {@see 'taxonomy_template'} hook.
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*
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* @since 2.5.0
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* @since 4.7.0 The decoded form of `taxonomy-{taxonomy_slug}-{term_slug}.php` was added to the top of the
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* template hierarchy when the term slug contains multibyte characters.
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*
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* @see get_query_template()
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*
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* @return string Full path to custom taxonomy term template file.
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*/
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function get_taxonomy_template() {
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$term = get_queried_object();
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$templates = array();
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if ( ! empty( $term->slug ) ) {
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$taxonomy = $term->taxonomy;
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$slug_decoded = urldecode( $term->slug );
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if ( $slug_decoded !== $term->slug ) {
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$templates[] = "taxonomy-$taxonomy-{$slug_decoded}.php";
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}
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$templates[] = "taxonomy-$taxonomy-{$term->slug}.php";
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$templates[] = "taxonomy-$taxonomy.php";
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}
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$templates[] = 'taxonomy.php';
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return get_query_template( 'taxonomy', $templates );
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}
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/**
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* Retrieve path of date template in current or parent template.
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*
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* The template hierarchy is filterable via the {@see 'date_template_hierarchy'} hook.
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* The template path is filterable via the {@see 'date_template'} hook.
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*
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* @since 1.5.0
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*
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* @see get_query_template()
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*
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* @return string Full path to date template file.
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*/
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function get_date_template() {
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return get_query_template('date');
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}
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/**
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* Retrieve path of home template in current or parent template.
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*
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* The template hierarchy is filterable via the {@see 'home_template_hierarchy'} hook.
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* The template path is filterable via the {@see 'home_template'} hook.
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*
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* @since 1.5.0
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*
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* @see get_query_template()
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*
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* @return string Full path to home template file.
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*/
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function get_home_template() {
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$templates = array( 'home.php', 'index.php' );
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return get_query_template( 'home', $templates );
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}
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/**
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* Retrieve path of front page template in current or parent template.
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*
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* The template hierarchy is filterable via the {@see 'frontpage_template_hierarchy'} hook.
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* The template path is filterable via the {@see 'frontpage_template'} hook.
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*
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* @since 3.0.0
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*
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* @see get_query_template()
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*
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* @return string Full path to front page template file.
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*/
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function get_front_page_template() {
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$templates = array('front-page.php');
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return get_query_template( 'front_page', $templates );
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}
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/**
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* Retrieve path of page template in current or parent template.
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*
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* The hierarchy for this template looks like:
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*
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* 1. {Page Template}.php
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* 2. page-{page_name}.php
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* 3. page-{id}.php
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* 4. page.php
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*
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* An example of this is:
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*
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* 1. page-templates/full-width.php
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* 2. page-about.php
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* 3. page-4.php
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* 4. page.php
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*
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* The template hierarchy is filterable via the {@see 'page_template_hierarchy'} hook.
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* The template path is filterable via the {@see 'page_template'} hook.
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*
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* @since 1.5.0
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* @since 4.7.0 The decoded form of `page-{page_name}.php` was added to the top of the
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* template hierarchy when the page name contains multibyte characters.
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*
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* @see get_query_template()
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*
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* @return string Full path to page template file.
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*/
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function get_page_template() {
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$id = get_queried_object_id();
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$template = get_page_template_slug();
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$pagename = get_query_var('pagename');
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if ( ! $pagename && $id ) {
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// If a static page is set as the front page, $pagename will not be set. Retrieve it from the queried object
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$post = get_queried_object();
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if ( $post )
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$pagename = $post->post_name;
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}
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$templates = array();
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if ( $template && 0 === validate_file( $template ) )
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$templates[] = $template;
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if ( $pagename ) {
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$pagename_decoded = urldecode( $pagename );
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if ( $pagename_decoded !== $pagename ) {
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$templates[] = "page-{$pagename_decoded}.php";
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}
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$templates[] = "page-{$pagename}.php";
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}
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if ( $id )
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$templates[] = "page-{$id}.php";
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$templates[] = 'page.php';
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return get_query_template( 'page', $templates );
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}
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/**
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* Retrieve path of search template in current or parent template.
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*
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* The template hierarchy is filterable via the {@see 'search_template_hierarchy'} hook.
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* The template path is filterable via the {@see 'search_template'} hook.
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*
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* @since 1.5.0
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*
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* @see get_query_template()
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*
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* @return string Full path to search template file.
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*/
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function get_search_template() {
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return get_query_template('search');
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}
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/**
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* Retrieve path of single template in current or parent template. Applies to single Posts,
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* single Attachments, and single custom post types.
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*
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* The hierarchy for this template looks like:
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*
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* 1. {Post Type Template}.php
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* 2. single-{post_type}-{post_name}.php
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* 3. single-{post_type}.php
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* 4. single.php
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*
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* An example of this is:
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*
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* 1. templates/full-width.php
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* 2. single-post-hello-world.php
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* 3. single-post.php
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* 4. single.php
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*
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* The template hierarchy is filterable via the {@see 'single_template_hierarchy'} hook.
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* The template path is filterable via the {@see 'single_template'} hook.
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*
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* @since 1.5.0
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* @since 4.4.0 `single-{post_type}-{post_name}.php` was added to the top of the template hierarchy.
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* @since 4.7.0 The decoded form of `single-{post_type}-{post_name}.php` was added to the top of the
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* template hierarchy when the post name contains multibyte characters.
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* @since 4.7.0 {Post Type Template}.php was added to the top of the template hierarchy.
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*
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* @see get_query_template()
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*
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* @return string Full path to single template file.
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*/
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function get_single_template() {
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$object = get_queried_object();
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$templates = array();
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if ( ! empty( $object->post_type ) ) {
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$template = get_page_template_slug( $object );
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if ( $template && 0 === validate_file( $template ) ) {
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$templates[] = $template;
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}
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$name_decoded = urldecode( $object->post_name );
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if ( $name_decoded !== $object->post_name ) {
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$templates[] = "single-{$object->post_type}-{$name_decoded}.php";
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}
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$templates[] = "single-{$object->post_type}-{$object->post_name}.php";
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$templates[] = "single-{$object->post_type}.php";
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}
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$templates[] = "single.php";
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return get_query_template( 'single', $templates );
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}
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/**
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* Retrieves an embed template path in the current or parent template.
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*
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* The hierarchy for this template looks like:
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*
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* 1. embed-{post_type}-{post_format}.php
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* 2. embed-{post_type}.php
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* 3. embed.php
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*
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* An example of this is:
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*
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* 1. embed-post-audio.php
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* 2. embed-post.php
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* 3. embed.php
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*
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* The template hierarchy is filterable via the {@see 'embed_template_hierarchy'} hook.
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* The template path is filterable via the {@see 'embed_template'} hook.
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*
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* @since 4.5.0
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*
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* @see get_query_template()
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*
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* @return string Full path to embed template file.
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*/
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function get_embed_template() {
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$object = get_queried_object();
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$templates = array();
|
|
|
|
if ( ! empty( $object->post_type ) ) {
|
|
$post_format = get_post_format( $object );
|
|
if ( $post_format ) {
|
|
$templates[] = "embed-{$object->post_type}-{$post_format}.php";
|
|
}
|
|
$templates[] = "embed-{$object->post_type}.php";
|
|
}
|
|
|
|
$templates[] = "embed.php";
|
|
|
|
return get_query_template( 'embed', $templates );
|
|
}
|
|
|
|
/**
|
|
* Retrieves the path of the singular template in current or parent template.
|
|
*
|
|
* The template hierarchy is filterable via the {@see 'singular_template_hierarchy'} hook.
|
|
* The template path is filterable via the {@see 'singular_template'} hook.
|
|
*
|
|
* @since 4.3.0
|
|
*
|
|
* @see get_query_template()
|
|
*
|
|
* @return string Full path to singular template file
|
|
*/
|
|
function get_singular_template() {
|
|
return get_query_template( 'singular' );
|
|
}
|
|
|
|
/**
|
|
* Retrieve path of attachment template in current or parent template.
|
|
*
|
|
* The hierarchy for this template looks like:
|
|
*
|
|
* 1. {mime_type}-{sub_type}.php
|
|
* 2. {sub_type}.php
|
|
* 3. {mime_type}.php
|
|
* 4. attachment.php
|
|
*
|
|
* An example of this is:
|
|
*
|
|
* 1. image-jpeg.php
|
|
* 2. jpeg.php
|
|
* 3. image.php
|
|
* 4. attachment.php
|
|
*
|
|
* The template hierarchy is filterable via the {@see 'attachment_template_hierarchy'} hook.
|
|
* The template path is filterable via the {@see 'attachment_template'} hook.
|
|
*
|
|
* @since 2.0.0
|
|
* @since 4.3.0 The order of the mime type logic was reversed so the hierarchy is more logical.
|
|
*
|
|
* @see get_query_template()
|
|
*
|
|
* @global array $posts
|
|
*
|
|
* @return string Full path to attachment template file.
|
|
*/
|
|
function get_attachment_template() {
|
|
$attachment = get_queried_object();
|
|
|
|
$templates = array();
|
|
|
|
if ( $attachment ) {
|
|
if ( false !== strpos( $attachment->post_mime_type, '/' ) ) {
|
|
list( $type, $subtype ) = explode( '/', $attachment->post_mime_type );
|
|
} else {
|
|
list( $type, $subtype ) = array( $attachment->post_mime_type, '' );
|
|
}
|
|
|
|
if ( ! empty( $subtype ) ) {
|
|
$templates[] = "{$type}-{$subtype}.php";
|
|
$templates[] = "{$subtype}.php";
|
|
}
|
|
$templates[] = "{$type}.php";
|
|
}
|
|
$templates[] = 'attachment.php';
|
|
|
|
return get_query_template( 'attachment', $templates );
|
|
}
|
|
|
|
/**
|
|
* Retrieve the name of the highest priority template file that exists.
|
|
*
|
|
* Searches in the STYLESHEETPATH before TEMPLATEPATH and wp-includes/theme-compat
|
|
* 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;
|
|
} elseif ( file_exists(TEMPLATEPATH . '/' . $template_name) ) {
|
|
$located = TEMPLATEPATH . '/' . $template_name;
|
|
break;
|
|
} elseif ( file_exists( ABSPATH . WPINC . '/theme-compat/' . $template_name ) ) {
|
|
$located = ABSPATH . WPINC . '/theme-compat/' . $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
|
|
*
|
|
* @global array $posts
|
|
* @global WP_Post $post
|
|
* @global bool $wp_did_header
|
|
* @global WP_Query $wp_query
|
|
* @global WP_Rewrite $wp_rewrite
|
|
* @global wpdb $wpdb
|
|
* @global string $wp_version
|
|
* @global WP $wp
|
|
* @global int $id
|
|
* @global WP_Comment $comment
|
|
* @global int $user_ID
|
|
*
|
|
* @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 ( isset( $s ) ) {
|
|
$s = esc_attr( $s );
|
|
}
|
|
|
|
if ( $require_once ) {
|
|
require_once( $_template_file );
|
|
} else {
|
|
require( $_template_file );
|
|
}
|
|
}
|