sted elements.
*
* Given an array of hierarchical elements, the maximum depth, a specific page number,
* and number of elements per page, this function first determines all top level root elements
* belonging to that page, then lists them and all of their children in hierarchical order.
*
* $max_depth = 0 means display all levels.
* $max_depth > 0 specifies the number of display levels.
*
* @since 2.7.0
* @since 5.3.0 Formalized the existing `...$args` parameter by adding it
* to the function signature.
*
* @param array $elements An array of elements.
* @param int $max_depth The maximum hierarchical depth.
* @param int $page_num The specific page number, beginning with 1.
* @param int $per_page Number of elements per page.
* @param mixed ...$args Optional additional arguments.
* @return string XHTML of the specified page of elements.
*/
public function paged_walk( $elements, $max_depth, $page_num, $per_page, ...$args ) {
if ( empty( $elements ) || $max_depth < -1 ) {
return '';
}
$output = '';
$parent_field = $this->db_fields['parent'];
$count = -1;
if ( -1 == $max_depth ) {
$total_top = count( $elements );
}
if ( $page_num < 1 || $per_page < 0 ) {
// No paging.
$paging = false;
$start = 0;
if ( -1 == $max_depth ) {
$end = $total_top;
}
$this->max_pages = 1;
} else {
$paging = true;
$start = ( (int) $page_num - 1 ) * (int) $per_page;
$end = $start + $per_page;
if ( -1 == $max_depth ) {
$this->max_pages = (int) ceil( $total_top / $per_page );
}
}
// Flat display.
if ( -1 == $max_depth ) {
if ( ! empty( $args[0]['reverse_top_level'] ) ) {
$elements = array_reverse( $elements );
$oldstart = $start;
$start = $total_top - $end;
$end = $total_top - $oldstart;
}
$empty_array = array();
foreach ( $elements as $e ) {
++$count;
if ( $count < $start ) {
continue;
}
if ( $count >= $end ) {
break;
}
$this->display_element( $e, $empty_array, 1, 0, $args, $output );
}
return $output;
}
/*
* Separate elements into two buckets: top level and children elements.
* Children_elements is two dimensional array, e.g.
* $children_elements[10][] contains all sub-elements whose parent is 10.
*/
$top_level_elements = array();
$children_elements = array();
foreach ( $elements as $e ) {
if ( empty( $e->$parent_field ) ) {
$top_level_elements[] = $e;
} else {
$children_elements[ $e->$parent_field ][] = $e;
}
}
$total_top = count( $top_level_elements );
if ( $paging ) {
$this->max_pages = (int) ceil( $total_top / $per_page );
} else {
$end = $total_top;
}
if ( ! empty( $args[0]['reverse_top_level'] ) ) {
$top_level_elements = array_reverse( $top_level_elements );
$oldstart = $start;
$start = $total_top - $end;
$end = $total_top - $oldstart;
}
if ( ! empty( $args[0]['reverse_children'] ) ) {
foreach ( $children_elements as $parent => $children ) {
$children_elements[ $parent ] = array_reverse( $children );
}
}
foreach ( $top_level_elements as $e ) {
++$count;
// For the last page, need to unset earlier children in order to keep track of orphans.
if ( $end >= $total_top && $count < $start ) {
$this->unset_children( $e, $children_elements );
}
if ( $count < $start ) {
continue;
}
if ( $count >= $end ) {
break;
}
$this->display_element( $e, $children_elements, $max_depth, 0, $args, $output );
}
if ( $end >= $total_top && count( $children_elements ) > 0 ) {
$empty_array = array();
foreach ( $children_elements as $orphans ) {
foreach ( $orphans as $op ) {
$this->display_element( $op, $empty_array, 1, 0, $args, $output );
}
}
}
return $output;
}
/**
* Calculates the total number of root elements.
*
* @since 2.7.0
*
* @param array $elements Elements to list.
* @return int Number of root elements.
*/
public function get_number_of_root_elements( $elements ) {
$num = 0;
$parent_field = $this->db_fields['parent'];
foreach ( $elements as $e ) {
if ( empty( $e->$parent_field ) ) {
++$num;
}
}
return $num;
}
/**
* Unsets all the children for a given top level element.
*
* @since 2.7.0
*
* @param object $element The top level element.
* @param array $children_elements The children elements.
*/
public function unset_children( $element, &$children_elements ) {
if ( ! $element || ! $children_elements ) {
return;
}
$id_field = $this->db_fields['id'];
$id = $element->$id_field;
if ( ! empty( $children_elements[ $id ] ) && is_array( $children_elements[ $id ] ) ) {
foreach ( (array) $children_elements[ $id ] as $child ) {
$this->unset_children( $child, $children_elements );
}
}
unset( $children_elements[ $id ] );
}
}
* and {@see '$type_template'} dynamic hooks, where `$type` is 'tag'.
*
* @since 2.3.0
* @since 4.7.0 The decoded form of `tag-{slug}.php` was added to the top of the
* template hierarchy when the tag slug contains multibyte characters.
*
* @see get_query_template()
*
* @return string Full path to tag template file.
*/
function get_tag_template() {
$tag = get_queried_object();
$templates = array();
if ( ! empty( $tag->slug ) ) {
$slug_decoded = urldecode( $tag->slug );
if ( $slug_decoded !== $tag->slug ) {
$templates[] = "tag-{$slug_decoded}.php";
}
$templates[] = "tag-{$tag->slug}.php";
$templates[] = "tag-{$tag->term_id}.php";
}
$templates[] = 'tag.php';
return get_query_template( 'tag', $templates );
}
/**
* Retrieves path of custom taxonomy term template in current or parent template.
*
* The hierarchy for this template looks like:
*
* 1. taxonomy-{taxonomy_slug}-{term_slug}.php
* 2. taxonomy-{taxonomy_slug}.php
* 3. taxonomy.php
*
* An example of this is:
*
* 1. taxonomy-location-texas.php
* 2. taxonomy-location.php
* 3. taxonomy.php
*
* The template hierarchy and template path are filterable via the {@see '$type_template_hierarchy'}
* and {@see '$type_template'} dynamic hooks, where `$type` is 'taxonomy'.
*
* @since 2.5.0
* @since 4.7.0 The decoded form of `taxonomy-{taxonomy_slug}-{term_slug}.php` was added to the top of the
* template hierarchy when the term slug contains multibyte characters.
*
* @see get_query_template()
*
* @return string Full path to custom taxonomy term template file.
*/
function get_taxonomy_template() {
$term = get_queried_object();
$templates = array();
if ( ! empty( $term->slug ) ) {
$taxonomy = $term->taxonomy;
$slug_decoded = urldecode( $term->slug );
if ( $slug_decoded !== $term->slug ) {
$templates[] = "taxonomy-$taxonomy-{$slug_decoded}.php";
}
$templates[] = "taxonomy-$taxonomy-{$term->slug}.php";
$templates[] = "taxonomy-$taxonomy.php";
}
$templates[] = 'taxonomy.php';
return get_query_template( 'taxonomy', $templates );
}
/**
* Retrieves path of date template in current or parent template.
*
* The template hierarchy and template path are filterable via the {@see '$type_template_hierarchy'}
* and {@see '$type_template'} dynamic hooks, where `$type` is 'date'.
*
* @since 1.5.0
*
* @see get_query_template()
*
* @return string Full path to date template file.
*/
function get_date_template() {
return get_query_template( 'date' );
}
/**
* Retrieves path of home template in current or parent template.
*
* The template hierarchy and template path are filterable via the {@see '$type_template_hierarchy'}
* and {@see '$type_template'} dynamic hooks, where `$type` is 'home'.
*
* @since 1.5.0
*
* @see get_query_template()
*
* @return string Full path to home template file.
*/
function get_home_template() {
$templates = array( 'home.php', 'index.php' );
return get_query_template( 'home', $templates );
}
/**
* Retrieves path of front page template in current or parent template.
*
* The template hierarchy and template path are filterable via the {@see '$type_template_hierarchy'}
* and {@see '$type_template'} dynamic hooks, where `$type` is 'frontpage'.
*
* @since 3.0.0
*
* @see get_query_template()
*
* @return string Full path to front page template file.
*/
function get_front_page_template() {
$templates = array( 'front-page.php' );
return get_query_template( 'frontpage', $templates );
}
/**
* Retrieves path of Privacy Policy page template in current or parent template.
*
* The template hierarchy and template path are filterable via the {@see '$type_template_hierarchy'}
* and {@see '$type_template'} dynamic hooks, where `$type` is 'privacypolicy'.
*
* @since 5.2.0
*
* @see get_query_template()
*
* @return string Full path to privacy policy template file.
*/
function get_privacy_policy_template() {
$templates = array( 'privacy-policy.php' );
return get_query_template( 'privacypolicy', $templates );
}
/**
* Retrieves path of page template in current or parent template.
*
* Note: For block themes, use locate_block_template() function instead.
*
* The hierarchy for this template looks like:
*
* 1. {Page Template}.php
* 2. page-{page_name}.php
* 3. page-{id}.php
* 4. page.php
*
* An example of this is:
*
* 1. page-templates/full-width.php
* 2. page-about.php
* 3. page-4.php
* 4. page.php
*
* The template hierarchy and template path are filterable via the {@see '$type_template_hierarchy'}
* and {@see '$type_template'} dynamic hooks, where `$type` is 'page'.
*
* @since 1.5.0
* @since 4.7.0 The decoded form of `page-{page_name}.php` was added to the top of the
* template hierarchy when the page name contains multibyte characters.
*
* @see get_query_template()
*
* @return string Full path to page template file.
*/
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();
if ( $post ) {
$pagename = $post->post_name;
}
}
$templates = array();
if ( $template && 0 === validate_file( $template ) ) {
$templates[] = $template;
}
if ( $pagename ) {
$pagename_decoded = urldecode( $pagename );
if ( $pagename_decoded !== $pagename ) {
$templates[] = "page-{$pagename_decoded}.php";
}
$templates[] = "page-{$pagename}.php";
}
if ( $id ) {
$templates[] = "page-{$id}.php";
}
$templates[] = 'page.php';
return get_query_template( 'page', $templates );
}
/**
* Retrieves path of search template in current or parent template.
*
* The template hierarchy and template path are filterable via the {@see '$type_template_hierarchy'}
* and {@see '$type_template'} dynamic hooks, where `$type` is 'search'.
*
* @since 1.5.0
*
* @see get_query_template()
*
* @return string Full path to search template file.
*/
function get_search_template() {
return get_query_template( 'search' );
}
/**
* Retrieves path of single template in current or parent template. Applies to single Posts,
* single Attachments, and single custom post types.
*
* The hierarchy for this template looks like:
*
* 1. {Post Type Template}.php
* 2. single-{post_type}-{post_name}.php
* 3. single-{post_type}.php
* 4. single.php
*
* An example of this is:
*
* 1. templates/full-width.php
* 2. single-post-hello-world.php
* 3. single-post.php
* 4. single.php
*
* The template hierarchy and template path are filterable via the {@see '$type_template_hierarchy'}
* and {@see '$type_template'} dynamic hooks, where `$type` is 'single'.
*
* @since 1.5.0
* @since 4.4.0 `single-{post_type}-{post_name}.php` was added to the top of the template hierarchy.
* @since 4.7.0 The decoded form of `single-{post_type}-{post_name}.php` was added to the top of the
* template hierarchy when the post name contains multibyte characters.
* @since 4.7.0 `{Post Type Template}.php` was added to the top of the template hierarchy.
*
* @see get_query_template()
*
* @return string Full path to single template file.
*/
function get_single_template() {
$object = get_queried_object();
$templates = array();
if ( ! empty( $object->post_type ) ) {
$template = get_page_template_slug( $object );
if ( $template && 0 === validate_file( $template ) ) {
$templates[] = $template;
}
$name_decoded = urldecode( $object->post_name );
if ( $name_decoded !== $object->post_name ) {
$templates[] = "single-{$object->post_type}-{$name_decoded}.php";
}
$templates[] = "single-{$object->post_type}-{$object->post_name}.php";
$templates[] = "single-{$object->post_type}.php";
}
$templates[] = 'single.php';
return get_query_template( 'single', $templates );
}
/**
* Retrieves an embed template path in the current or parent template.
*
* The hierarchy for this template looks like:
*
* 1. embed-{post_type}-{post_format}.php
* 2. embed-{post_type}.php
* 3. embed.php
*
* An example of this is:
*
* 1. embed-post-audio.php
* 2. embed-post.php
* 3. embed.php
*
* The template hierarchy and template path are filterable via the {@see '$type_template_hierarchy'}
* and {@see '$type_template'} dynamic hooks, where `$type` is 'embed'.
*
* @since 4.5.0
*
* @see get_query_template()
*
* @return string Full path to embed template file.
*/
function get_embed_template() {
$object = get_queried_object();
$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', $templates );
}
/**
* Retrieves the path of the singular template in current or parent template.
*
* The template hierarchy and template path are filterable via the {@see '$type_template_hierarchy'}
* and {@see '$type_template'} dynamic hooks, where `$type` is 'singular'.
*
* @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' );
}
/**
* Retrieves 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 and template path are filterable via the {@see '$type_template_hierarchy'}
* and {@see '$type_template'} dynamic hooks, where `$type` is 'attachment'.
*
* @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()
*
* @return string Full path to attachment template file.
*/
function get_attachment_template() {
$attachment = get_queried_object();
$templates = array();
if ( $attachment ) {
if ( str_contains( $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 );
}
/**
* Set up the globals used for template loading.
*
* @since 6.5.0
*
* @global string $wp_stylesheet_path Path to current theme's stylesheet directory.
* @global string $wp_template_path Path to current theme's template directory.
*/
function wp_set_template_globals() {
global $wp_stylesheet_path, $wp_template_path;
$wp_stylesheet_path = get_stylesheet_directory();
$wp_template_path = get_template_directory();
}
/**
* Retrieves the name of the highest priority template file that exists.
*
* Searches in the stylesheet directory before the template directory and
* wp-includes/theme-compat so that themes which inherit from a parent theme
* can just overload one file.
*
* @since 2.7.0
* @since 5.5.0 The `$args` parameter was added.
*
* @global string $wp_stylesheet_path Path to current theme's stylesheet directory.
* @global string $wp_template_path Path to current theme's template directory.
*
* @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 $load_once Whether to require_once or require. Has no effect if `$load` is false.
* Default true.
* @param array $args Optional. Additional arguments passed to the template.
* Default empty array.
* @return string The template filename if one is located.
*/
function locate_template( $template_names, $load = false, $load_once = true, $args = array() ) {
global $wp_stylesheet_path, $wp_template_path;
if ( ! isset( $wp_stylesheet_path ) || ! isset( $wp_template_path ) ) {
wp_set_template_globals();
}
$is_child_theme = is_child_theme();
$located = '';
foreach ( (array) $template_names as $template_name ) {
if ( ! $template_name ) {
continue;
}
if ( file_exists( $wp_stylesheet_path . '/' . $template_name ) ) {
$located = $wp_stylesheet_path . '/' . $template_name;
break;
} elseif ( $is_child_theme && file_exists( $wp_template_path . '/' . $template_name ) ) {
$located = $wp_template_path . '/' . $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, $load_once, $args );
}
return $located;
}
/**
* Requires the template file with WordPress environment.
*
* The globals are set up for the template file to ensure that the WordPress
* environment is available from within the function. The query variables are
* also available.
*
* @since 1.5.0
* @since 5.5.0 The `$args` parameter was added.
*
* @global array $posts
* @global WP_Post $post Global post object.
* @global bool $wp_did_header
* @global WP_Query $wp_query WordPress Query object.
* @global WP_Rewrite $wp_rewrite WordPress rewrite component.
* @global wpdb $wpdb WordPress database abstraction object.
* @global string $wp_version
* @global WP $wp Current WordPress environment instance.
* @global int $id
* @global WP_Comment $comment Global comment object.
* @global int $user_ID
*
* @param string $_template_file Path to template file.
* @param bool $load_once Whether to require_once or require. Default true.
* @param array $args Optional. Additional arguments passed to the template.
* Default empty array.
*/
function load_template( $_template_file, $load_once = true, $args = array() ) {
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 ) ) {
/*
* This use of extract() cannot be removed. There are many possible ways that
* templates could depend on variables that it creates existing, and no way to
* detect and deprecate it.
*
* Passing the EXTR_SKIP flag is the safest option, ensuring globals and
* function variables cannot be overwritten.
*/
// phpcs:ignore WordPress.PHP.DontExtract.extract_extract
extract( $wp_query->query_vars, EXTR_SKIP );
}
if ( isset( $s ) ) {
$s = esc_attr( $s );
}
/**
* Fires before a template file is loaded.
*
* @since 6.1.0
*
* @param string $_template_file The full path to the template file.
* @param bool $load_once Whether to require_once or require.
* @param array $args Additional arguments passed to the template.
*/
do_action( 'wp_before_load_template', $_template_file, $load_once, $args );
if ( $load_once ) {
require_once $_template_file;
} else {
require $_template_file;
}
/**
* Fires after a template file is loaded.
*
* @since 6.1.0
*
* @param string $_template_file The full path to the template file.
* @param bool $load_once Whether to require_once or require.
* @param array $args Additional arguments passed to the template.
*/
do_action( 'wp_after_load_template', $_template_file, $load_once, $args );
}
Fatal error: Uncaught Error: Class 'Walker' not found in /home/healths/public_html/wp-includes/class-walker-page.php:17
Stack trace:
#0 /home/healths/public_html/wp-settings.php(211): require()
#1 /home/healths/public_html/wp-config.php(99): require_once('/home/healths/p...')
#2 /home/healths/public_html/wp-load.php(50): require_once('/home/healths/p...')
#3 /home/healths/public_html/wp-blog-header.php(13): require_once('/home/healths/p...')
#4 /home/healths/public_html/index.php(17): require('/home/healths/p...')
#5 {main}
thrown in /home/healths/public_html/wp-includes/class-walker-page.php on line 17
Fatal error: Uncaught Error: Call to a member function set() on null in /home/healths/public_html/wp-includes/l10n.php:850
Stack trace:
#0 /home/healths/public_html/wp-includes/l10n.php(953): load_textdomain()
#1 /home/healths/public_html/wp-includes/class-wp-fatal-error-handler.php(49): load_default_textdomain()
#2 [internal function]: WP_Fatal_Error_Handler->handle()
#3 {main}
thrown in /home/healths/public_html/wp-includes/l10n.php on line 850