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run code in 200+ php & hhvm versions
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<?php echo __DIR__; $s = array(); if (!$s) { echo 'dfdf'; }
Output for 5.3.0 - 7.2.0
/indfdf
Output for 4.3.0 - 5.2.17
Notice: Use of undefined constant __DIR__ - assumed '__DIR__' in /in/8veA1 on line 2 __DIR__dfdf