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run code in 150+ php & hhvm versions
Bugs & Features
<?php $array = array('a', 'b', 'c'); function nestArray($arr) { if(empty($arr)) { return array(); } return array($arr[0] => array_shift($arr)); } var_dump(nestArray($array));
based on fRiLH
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
array(1) { ["a"]=> string(1) "a" }