简单PHP:从数组中提取PHP变量 [英] Simple PHP: Extract a PHP variable from an array

问题描述

我需要将"shortUrl"元素从该数组中移到一个变量中，但是不能！

I need to get the "shortUrl" element out of this array into a variable but can't !

object(stdClass)#1 (4) {
  ["errorCode"]=> int(0) 
  ["errorMessage"]=> string(0) "" 
  ["results"]=> object(stdClass)#2 (1) { 
    ["http://www.domain.com"]=> object(stdClass)#3 (5) { 
      ["userHash"]=> string(6) "oSEMki" 
      ["shortKeywordUrl"]=> string(0) "" 
      ["hash"]=> string(6) "oms2ZB"
      ["shortCNAMEUrl"]=> string(20) "http://bit.ly/LALALA"
      ["shortUrl"]=> string(20) "http://bit.ly/LALALA" 
    } 
  } 
  ["statusCode"]=> string(2) "OK" 
} 

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推荐答案

它不是数组，而是一个对象(树).

Its not an array, its an object(-tree).

echo $obj->results->{"http://www.domain.com"}->shortUrl;

应该工作.

我还想您似乎正在接收此结构的JSON吗?然后，您可以使用 json_decode() 的第二个参数来创建一个关联数组它.

Also it looks like you are receiving this structure as JSON I guess? Then you may use the second parameter of json_decode() to make an associative array out of it.

$array = json_decode($json, true);
echo $array['results']['http://www.domain.com']['shortUrl'];

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