3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo base64_encode("paiduser&ferrari"); echo "\n"; echo urlencode("/members/mail/read.php?id=NdvIYRu4nybzN8B4zesUs6sjeTSwWUweBPlaAzuXrW8%253D");
Output for 7.3.24 - 7.3.33, 7.4.12 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.7
cGFpZHVzZXImZmVycmFyaQ== %2Fmembers%2Fmail%2Fread.php%3Fid%3DNdvIYRu4nybzN8B4zesUs6sjeTSwWUweBPlaAzuXrW8%25253D

preferences:
133.75 ms | 403 KiB | 119 Q