Download large file

Hi
I cannot download large file in PHP
My code is :

PHP Code:

<?php
    
    $url = base64_decode($_GET['url']);
    
    set_time_limit(0);
    
    $filename  = pathinfo($url, PATHINFO_FILENAME).'.'.pathinfo($url, PATHINFO_EXTENSION);
    
    file_put_contents("video/$filename",file_get_contents($url));
    
    exit('1');
    
?>

I set unlimit memory size and other