Retrieves the name of the highest priority template file that exists.
Description
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.
Parameters
$template_names
string|arrayrequired- Template file(s) to search for, in order.
$load
booloptional- If true the template file will be loaded if it is found.
Default:
false
$load_once
booloptional- Whether to require_once or require. Has no effect if
$load
is false.
Default:
true
$args
arrayoptional- Additional arguments passed to the template.
Default:
array()
Source
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;
}
Note that
locate_template()
does not prevent directory traversal attacks, so if you’re passing a user-provided template name to the function, be sure to verify that it’s from one of the three appropriate locations (active theme directory, parent theme directory, or /wp-includes/theme-compat/ directory).Example:
Example
Load a specific template part based on the current pagename.