3v4l.org

run code in 300+ PHP versions simultaneously
<?php str='a,n,n,t'; echo $str = implode(',',array_unique(explode(',', $str)));
Output for 5.3.0 - 5.3.28, 5.4.0 - 5.4.25
Parse error: syntax error, unexpected '=' in /in/dQZeW on line 2
Process exited with code 255.
preferences:
184.37 ms | 1395 KiB | 62 Q