3v4l.org

run code in 300+ PHP versions simultaneously
<?php $f = function(){ echo 'blee'; }; $f->__invoke(); $f(); Closure->call($f);
Output for 5.5.24 - 5.5.30, 5.6.8 - 5.6.15
Parse error: syntax error, unexpected '->' (T_OBJECT_OPERATOR) in /in/HfnXs on line 6
Process exited with code 255.
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56.39 ms | 402 KiB | 20 Q