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wp_load_translations_early()

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.

Attempt an early load of translations.

Description

Used for errors encountered during the initial loading process, before the locale has been properly detected and loaded.

Designed for unusual load sequences (like setup-config.php) or for when the script will then terminate with an error, otherwise there is a risk that a file can be double-included.

Source

File: wp-includes/load.php

function wp_load_translations_early() {
	global $wp_locale;

	static $loaded = false;
	if ( $loaded ) {
		return;
	}
	$loaded = true;

	if ( function_exists( 'did_action' ) && did_action( 'init' ) ) {
		return;
	}

	// We need $wp_local_package
	require ABSPATH . WPINC . '/version.php';

	// Translation and localization
	require_once ABSPATH . WPINC . '/pomo/mo.php';
	require_once ABSPATH . WPINC . '/l10n.php';
	require_once ABSPATH . WPINC . '/class-wp-locale.php';
	require_once ABSPATH . WPINC . '/class-wp-locale-switcher.php';

	// General libraries
	require_once ABSPATH . WPINC . '/plugin.php';

	$locales = $locations = array();

	while ( true ) {
		if ( defined( 'WPLANG' ) ) {
			if ( '' == WPLANG ) {
				break;
			}
			$locales[] = WPLANG;
		}

		if ( isset( $wp_local_package ) ) {
			$locales[] = $wp_local_package;
		}

		if ( ! $locales ) {
			break;
		}

		if ( defined( 'WP_LANG_DIR' ) && @is_dir( WP_LANG_DIR ) ) {
			$locations[] = WP_LANG_DIR;
		}

		if ( defined( 'WP_CONTENT_DIR' ) && @is_dir( WP_CONTENT_DIR . '/languages' ) ) {
			$locations[] = WP_CONTENT_DIR . '/languages';
		}

		if ( @is_dir( ABSPATH . 'wp-content/languages' ) ) {
			$locations[] = ABSPATH . 'wp-content/languages';
		}

		if ( @is_dir( ABSPATH . WPINC . '/languages' ) ) {
			$locations[] = ABSPATH . WPINC . '/languages';
		}

		if ( ! $locations ) {
			break;
		}

		$locations = array_unique( $locations );

		foreach ( $locales as $locale ) {
			foreach ( $locations as $location ) {
				if ( file_exists( $location . '/' . $locale . '.mo' ) ) {
					load_textdomain( 'default', $location . '/' . $locale . '.mo' );
					if ( defined( 'WP_SETUP_CONFIG' ) && file_exists( $location . '/admin-' . $locale . '.mo' ) ) {
						load_textdomain( 'default', $location . '/admin-' . $locale . '.mo' );
					}
					break 2;
				}
			}
		}

		break;
	}

	$wp_locale = new WP_Locale();
}

Changelog

Version Description
3.4.0 Introduced.

© 2003–2019 WordPress Foundation
Licensed under the GNU GPLv2+ License.
https://developer.wordpress.org/reference/functions/wp_load_translations_early