This function’s access is marked private. This means it is not intended for use by plugin or theme developers, only in other core functions. It is listed here for completeness.

_load_textdomain_just_in_time( string $domain )

Loads plugin and theme text domains just-in-time.


Description

When a textdomain is encountered for the first time, we try to load the translation file from wp-content/languages, removing the need to call load_plugin_textdomain() or load_theme_textdomain().


Parameters

$domain

(Required) Text domain. Unique identifier for retrieving translated strings.


Return

(bool) True when the textdomain is successfully loaded, false otherwise.


Source

File: wp-includes/l10n.php

function _load_textdomain_just_in_time( $domain ) {
	global $l10n_unloaded;

	$l10n_unloaded = (array) $l10n_unloaded;

	// Short-circuit if domain is 'default' which is reserved for core.
	if ( 'default' === $domain || isset( $l10n_unloaded[ $domain ] ) ) {
		return false;
	}

	$translation_path = _get_path_to_translation( $domain );
	if ( false === $translation_path ) {
		return false;
	}

	return load_textdomain( $domain, $translation_path );
}


Changelog

Changelog
Version Description
4.6.0 Introduced.