将下面的数组处理成下图的样子
$arr = [‘a‘, ‘b‘, ‘c‘, ‘d‘,‘e‘,‘f‘];
<?php
$arr = [‘a‘, ‘b‘, ‘c‘, ‘d‘,‘e‘,‘f‘];
$x = [];
$y = &$x;
$value = 1234;
while ($key = current($arr)) {
$y[$key] = [];
$y = &$y[$key];
next($arr);
//echo $key;
}
$y = $value;
print_r($x);
?>原文：http://www.cnblogs.com/lmy01/p/6391639.html