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run code in 200+ php & hhvm versions
Bugs & Features
<?php $a = array(1,2); $test = '{{$the}}'; $the = 'var'; $theVar = preg_match('/({{\$(.*)}})/', '$2', $test); echo ${theVar};
based on HeUav
Output for 7.2.0
Warning: Use of undefined constant theVar - assumed 'theVar' (this will throw an Error in a future version of PHP) in /in/Vc1rE on line 7 0
Output for 4.3.0 - 7.1.10
Notice: Use of undefined constant theVar - assumed 'theVar' in /in/Vc1rE on line 7 0