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run code in 200+ php & hhvm versions
Bugs & Features
<?php function test(){ echo "What now"; } $x = test; $x();
based on WZ42v
Output for 7.2.0
Warning: Use of undefined constant test - assumed 'test' (this will throw an Error in a future version of PHP) in /in/cIpuP on line 5 What now
Output for 4.3.0 - 7.1.10
Notice: Use of undefined constant test - assumed 'test' in /in/cIpuP on line 5 What now