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function is not described

_get_path_to_translation() WP 4.7.0

Gets the path to a translation file for loading a textdomain just in time.

Caches the retrieved results internally.

This is an internal function for using it by WP core itself. It's not recommended to use this function in your code.

No Hooks.

Return

String|false. The path to the translation file or false if no translation file was found.

Usage

_get_path_to_translation( $domain, $reset );
$domain(string) (required)
Text domain. Unique identifier for retrieving translated strings.
$reset(true|false)
Whether to reset the internal cache. Used by the switch to locale functionality.

Notes

Changelog

Since 4.7.0 Introduced.

Code of _get_path_to_translation() WP 5.7.2

<?php
function _get_path_to_translation( $domain, $reset = false ) {
	static $available_translations = array();

	if ( true === $reset ) {
		$available_translations = array();
	}

	if ( ! isset( $available_translations[ $domain ] ) ) {
		$available_translations[ $domain ] = _get_path_to_translation_from_lang_dir( $domain );
	}

	return $available_translations[ $domain ];
}