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run code in 150+ php & hhvm versions
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<?php if ( is_null($params['endTime']) ) { echo "test"; }
Output for 5.0.4 - 5.6.28, hhvm-3.10.0 - 3.13.2, 7.0.0 - 7.1.0
Notice: Undefined variable: params in /in/WXklN on line 3 test
Output for 4.3.0 - 5.0.3
Notice: Undefined variable: params in /in/WXklN on line 3 test