3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 1; $c = $a + $a++ echo $c;
Output for 5.4.0 - 5.4.20
Parse error: syntax error, unexpected 'echo' (T_ECHO) in /in/OkD3l on line 4
Process exited with code 255.
Output for 5.3.0 - 5.3.27
Parse error: syntax error, unexpected T_ECHO in /in/OkD3l on line 4
Process exited with code 255.
preferences:
167.72 ms | 1399 KiB | 56 Q