3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php /* @$_[]=@!+_; $__=@${_}>>$_;$_[]=$__;$_[]=@_;$_[((++$__)+($__++ ))].=$_; $_[]=++$__; $_[]=$_[--$__][$__>>$__];$_[$__].=(($__+$__)+ $_[$__-$__]).($__+$__+$__)+$_[$__-$__]; $_[$__+$__] =($_[$__][$__>>$__]).($_[$__][$__]^$_[$__][($__<<$__)-$__] ); $_[$__+$__] .=($_[$__][($__<<$__)-($__/$__)])^($_[$__][$__] ); $_[$__+$__] .=($_[$__][$__+$__])^$_[$__][($__<<$__)-$__ ]; $_=$ $_[$__+ $__] ;$_[@-_]($_[@!+_] ); */ $_[]=!_; var_dump($_);
Output for 7.2.0
Warning: Use of undefined constant _ - assumed '_' (this will throw an Error in a future version of PHP) in /in/cOQ1P on line 12 array(1) { [0]=> bool(false) }
Output for 4.3.0 - 7.1.10
Notice: Use of undefined constant _ - assumed '_' in /in/cOQ1P on line 12 array(1) { [0]=> bool(false) }