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run code in 150+ php & hhvm versions
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<?php $test; $true=1; if($true==1) { $test=22; } echo $test; ?>
Output for 5.1.0 - 7.1.0
22
Output for 5.0.4 - 5.0.5
Notice: Undefined variable: test in /in/pRJLE on line 2 22
Output for 4.3.0 - 5.0.3
Notice: Undefined variable: test in /in/pRJLE on line 2 22