wp_download_language_pack( string $download )

Download a language pack.


Description Description


Parameters Parameters

$download

(string) (Required) Language code to download.


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Return Return

(string|bool) Returns the language code if successfully downloaded (or already installed), or false on failure.


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Source Source

File: wp-admin/includes/translation-install.php

function wp_download_language_pack( $download ) {
	// Check if the translation is already installed.
	if ( in_array( $download, get_available_languages() ) ) {
		return $download;
	}

	if ( ! wp_is_file_mod_allowed( 'download_language_pack' ) ) {
		return false;
	}

	// Confirm the translation is one we can download.
	$translations = wp_get_available_translations();
	if ( ! $translations ) {
		return false;
	}
	foreach ( $translations as $translation ) {
		if ( $translation['language'] === $download ) {
			$translation_to_load = true;
			break;
		}
	}

	if ( empty( $translation_to_load ) ) {
		return false;
	}
	$translation = (object) $translation;

	require_once ABSPATH . 'wp-admin/includes/class-wp-upgrader.php';
	$skin = new Automatic_Upgrader_Skin;
	$upgrader = new Language_Pack_Upgrader( $skin );
	$translation->type = 'core';
	$result = $upgrader->upgrade( $translation, array( 'clear_update_cache' => false ) );

	if ( ! $result || is_wp_error( $result ) ) {
		return false;
	}

	return $translation->language;
}

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Changelog Changelog

Changelog
Version Description
4.0.0 Introduced.


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