3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 23; $a instanceof 'b';
Output for 5.5.0 - 5.5.33, 5.6.0 - 5.6.19, 7.0.0 - 7.0.5
Parse error: syntax error, unexpected ''b'' (T_CONSTANT_ENCAPSED_STRING) in /in/e6IRX on line 3
Process exited with code 255.
preferences:
185.83 ms | 1395 KiB | 66 Q