WordPress at a glance
filter is not described

login_errors filter-hook . WP 2.1.0

Filters the error messages displayed above the login form.

Usage

add_filter( 'login_errors', 'filter_function_name_3773' );
function filter_function_name_3773( $errors ){
	// filter...

	return $errors;
}
$errors(string)
Login error message.

Changelog

Since 2.1.0 Introduced.

Where the hook is called

login_header()
login_errors
WC_Form_Handler::process_login()
login_errors
wp-login.php 240
echo '<div id="login_error">' . apply_filters( 'login_errors', $errors ) . "</div>\n";
woocommerce/includes/class-wc-form-handler.php 1009
wc_add_notice( apply_filters( 'login_errors', $e->getMessage() ), 'error' );

Where the hook is used (in WP core)

Usage not found!