3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo base64_encode("paiduser+ferrari"); echo "\n"; 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 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
cGFpZHVzZXIrZmVycmFyaQ==

preferences:
117.65 ms | 402 KiB | 114 Q