3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = 10; if (0 <= $x <= 42) { echo 'x is in [0, 42]'; }
Output for 5.6.0 - 5.6.27, 7.0.0 - 7.0.12
Parse error: syntax error, unexpected '<=' (T_IS_SMALLER_OR_EQUAL) in /in/7MvlB on line 4
Process exited with code 255.
preferences:
186.15 ms | 996 KiB | 7 Q