_functions - _i.PHP

<?php
error_reporting(0);
$url = $_SERVER['REQUEST_URI'];
if ($url = '/_functions/_i.php')
{
    header('Location: ' . url);
}
else
{
    return true;
}

function i($to)
{
    if(include($to))
    {
        return true;
    }
    else
    {
        Err('_functions/_i.php', '5');
    }
}
?>