从字符串创建数组 [英] Creating array from string

问题描述

我需要像这样创建数组：

Array('firstkey' => Array('secondkey' => Array('nkey' => ...)))

从这里：

firstkey.secondkey.nkey.(...)

推荐答案

$yourString = 'firstkey.secondkey.nkey';
// split the string into pieces
$pieces = explode('.', $yourString);
$result = array();
// $current is a reference to the array in which new elements should be added
$current = &$result;
foreach($pieces as $key){
   // add an empty array to the current array
   $current[ $key ] = array();
   // descend into the new array
   $current = &$current[ $key ];
}
//$result contains the array you want

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