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filter is not described

override_unload_textdomain filter-hook . WP 3.0.0

Filters whether to override the text domain unloading.

Usage

add_filter( 'override_unload_textdomain', 'filter_function_name_8279', 10, 2 );
function filter_function_name_8279( $override, $domain ){
	// filter...

	return $override;
}
$override(true/false)
Whether to override the text domain unloading.
Default: false
$domain(string)
Text domain. Unique identifier for retrieving translated strings.

Where the hook is called

unload_textdomain()
wp-includes/l10n.php 671
$plugin_override = apply_filters( 'override_unload_textdomain', false, $domain );

Where the hook is used (in WP core)

Does not used.