_load_textdomain_just_in_time

函数
_load_textdomain_just_in_time ( $domain )
Access
Private
参数
  • (string) $domain Text domain. Unique identifier for retrieving translated strings.
    Required:
返回值
  • (bool) True when the textdomain is successfully loaded, false otherwise.
定义位置
相关方法
load_textdomainunload_textdomainload_theme_textdomainload_script_textdomainload_plugin_textdomain
引入
4.6.0
弃用
-

_load_textdomain_just_in_time: 这个函数用于及时加载特定域的翻译文件,这可以帮助减少WordPress的内存占用。

及时加载插件和主题文本域。

当第一次遇到文本域时,我们尝试从`wp-content/languages`中加载翻译文件,不需要再调用load_plugin_textdomain()或load_theme_textdomain()。

function _load_textdomain_just_in_time( $domain ) {
	/** @var WP_Textdomain_Registry $wp_textdomain_registry */
	global $l10n_unloaded, $wp_textdomain_registry;

	$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;
	}

	if ( ! $wp_textdomain_registry->has( $domain ) ) {
		return false;
	}

	$locale = determine_locale();
	$path   = $wp_textdomain_registry->get( $domain, $locale );
	if ( ! $path ) {
		return false;
	}
	// Themes with their language directory outside of WP_LANG_DIR have a different file name.
	$template_directory   = trailingslashit( get_template_directory() );
	$stylesheet_directory = trailingslashit( get_stylesheet_directory() );
	if ( str_starts_with( $path, $template_directory ) || str_starts_with( $path, $stylesheet_directory ) ) {
		$mofile = "{$path}{$locale}.mo";
	} else {
		$mofile = "{$path}{$domain}-{$locale}.mo";
	}

	return load_textdomain( $domain, $mofile, $locale );
}

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