3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo 'busy? . ' true ? 'yes' : 'no';
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.7
Parse error: syntax error, unexpected 'true' (T_STRING), expecting ',' or ';' in /in/gg9Gv on line 3
Process exited with code 255.
preferences:
174.22 ms | 1395 KiB | 36 Q