3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x="HTTP_USER_AGENT" echo "Your User Agent is :" . $_SERVER ['HTTP_USER_AGENT']; ?>
Output for 5.4.0 - 5.4.30
Parse error: syntax error, unexpected 'echo' (T_ECHO) in /in/atpfT on line 3
Process exited with code 255.
Output for 5.3.0 - 5.3.28
Parse error: syntax error, unexpected T_ECHO in /in/atpfT on line 3
Process exited with code 255.
preferences:
214.94 ms | 1399 KiB | 67 Q