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run code in 200+ php & hhvm versions
Bugs & Features
<?php error_reporting(E_ALL); $a = array(); var_dump(!empty($a['bla']['ble']['bli'])); var_dump(!$a['bla']['ble']['bli']);
based on Pmo1j
Output for 5.3.0 - 7.2.0
bool(false) Notice: Undefined index: bla in /in/WDn5Y on line 8 bool(true)
Output for 4.3.0 - 5.2.17
bool(false) Notice: Undefined index: bla in /in/WDn5Y on line 8 bool(true)