wp-includes/class-wp-textdomain-registry.php:180Retrieves translation files from the specified path.
$pathstringarrayOne hook fires while WP_Textdomain_Registry::get_language_files_from_path() runs, in this order:
Filters the translation files retrieved from a specified path before the actual lookup.
public function get_language_files_from_path( $path ) { $path = rtrim( $path, '/' ) . '/'; /** * Filters the translation files retrieved from a specified path before the actual lookup. * * Returning a non-null value from the filter will effectively short-circuit * the MO files lookup, returning that value instead. * * This can be useful in situations where the directory contains a large number of files * and the default glob() function becomes expensive in terms of performance. * * @since 6.5.0 * * @param null|array $files List of translation files. Default null. * @param string $path The path from which translation files are being fetched. */ $files = apply_filters( 'pre_get_language_files_from_path', null, $path ); if ( null !== $files ) { return $files; } $cache_key = md5( $path ); $files = wp_cache_get( $cache_key, 'translation_files' ); if ( false === $files ) { $files = glob( $path . '*.mo' ); if ( false === $files ) { $files = array(); } $php_files = glob( $path . '*.l10n.php' ); if ( is_array( $php_files ) ) { $files = array_merge( $files, $php_files ); } wp_cache_set( $cache_key, $files, 'translation_files', HOUR_IN_SECONDS ); } return $files; }Introduced in 6.5.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/class-wp-textdomain-registry.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.