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run code in 150+ php & hhvm versions
Bugs & Features
<?php $test= NULL; if(NULL == $test){ echo "it's null"; } if(NULL == $testUndef){ echo "it's null two"; }
Output for 5.0.4 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
it's null Notice: Undefined variable: testUndef in /in/jVc2F on line 8 it's null two
Output for 4.3.0 - 5.0.3
it's null Notice: Undefined variable: testUndef in /in/jVc2F on line 8 it's null two