3v4l.org

run code in 300+ PHP versions simultaneously
<?php function vietchu() { &$chu="Chữ viết"; echo $chu; } vietchu(); echo $chu;
Output for 5.3.0 - 5.3.28, 5.4.0 - 5.4.26
Parse error: syntax error, unexpected '&' in /in/1U8mA on line 12
Process exited with code 255.
preferences:
205.69 ms | 1395 KiB | 63 Q