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run code in 200+ php & hhvm versions
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<?php $f = function() { echo "closures are fun :)"; return function(){ return "This is cool!"; }; }; echo $f()();
based on AWZak
Output for 7.0.0 - 7.2.0
closures are fun :)This is cool!
Output for 5.3.21 - 5.6.28
Parse error: syntax error, unexpected '(', expecting ',' or ';' in /in/A4cBq on line 8
Process exited with code 255.