3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $arr = array( "name" => "laruence", //如果这个值有可能是数组,或者字符串. ); if (isset($arr["name"]["foo"]["non-exists"])) { echo "set"; }
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0