3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo urlencode(utf8_decode("Köln"));
Output for 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Deprecated: Function utf8_decode() is deprecated in /in/13gM0 on line 2 K%F6ln
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.38, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27
K%F6ln

preferences:
301.71 ms | 405 KiB | 448 Q