The Principia Machina/TPC-PY/diff sponsor.php

<?php
declare(strict_types=1);
require __DIR__ . '/../tpc_php/tpc_sponsor.php';
$cases = json_decode(file_get_contents($argv[1] ?? __DIR__ . '/diff_cases.json'), false, 512, JSON_THROW_ON_ERROR);
$out = [];
foreach ($cases as $c) { $out[] = tpc_sponsor_run_case($c->fn, $c->args); }
echo json_encode($out, JSON_THROW_ON_ERROR | JSON_UNESCAPED_UNICODE);