JS field clearing issue PHP side fix

field-clear-php-fix.php

	if (stripos($_POST['first_name'], 'first name...') !== false) {
		$first_name = str_ireplace('first name...', '', $_POST['first_name']);
		$first_name = sanitize_user( $first_name, true );
	} else {
		$first_name = sanitize_user( $_POST['first_name'], true );
	}
	
	if (stripos($_POST['last_name'], 'last name...') !== false) {
		$last_name = str_ireplace('last name...', '', $_POST['last_name']);
		$last_name = sanitize_user( $last_name );		
	} else {
		$last_name = sanitize_user( $_POST['last_name'] );
	}