3v4l.org

run code in 300+ PHP versions simultaneously
<?php function GenerateKey($input) { return wordwrap($input, 4, '-', true); } echo GenerateKey('89E01E2E18753F636DA11532');
Output for 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
89E0-1E2E-1875-3F63-6DA1-1532
preferences:
65.55 ms | 972 KiB | 4 Q