3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a="b"; $b="c"; $c="d"; $d="e"; $e="f"; echo $a."-"; echo $$a."-"; //Same as $b echo $$$a."-"; //Same as $$b or $c echo $$$$a."-"; //Same as $$$b or $$c or $d echo $$$$$a; //Same as $$$$b or $$$c or $$d or $e?>
Output for git.master, git.master_jit, rfc.property-hooks
b-c-d-e-f

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