WordPress at a glance
filter is not described

override_load_textdomain filter-hook . WP 2.9.0

Filters whether to override the .mo file loading.

Usage

add_filter( 'override_load_textdomain', 'filter_function_name_2507', 10, 3 );
function filter_function_name_2507( $override, $domain, $mofile ){
	// filter...

	return $override;
}
$override(true/false)
Whether to override the .mo file loading.
Default: false
$domain(string)
Text domain. Unique identifier for retrieving translated strings.
$mofile(string)
Path to the MO file.

Where the hook is called

load_textdomain()
wp-includes/l10n.php 604
$plugin_override = apply_filters( 'override_load_textdomain', false, $domain, $mofile );

Where the hook is used (in WP core)

Does not used.