(PHP 4 >= 4.3.0, PHP 5)
restore_include_path — Restores the value of the include_path configuration option
Restores the include_path configuration option back to its original master value as set in php.ini
Эта функция не возвращает значения после выполнения.
Example#1 restore_include_path() example
<?php
echo get_include_path(); // .:/usr/local/lib/php
set_include_path('/inc');
echo get_include_path(); // /inc
// Works as of PHP 4.3.0
restore_include_path();
// Works in all PHP versions
ini_restore('include_path');
echo get_include_path(); // .:/usr/local/lib/php
?>