[英]How can I make a nested array tree into an nested object tree?
这是我的代码:
$adjacencies = array ( "0" => array( "name1" => "pear",
"name2" => "jack",
"data" => array() ),
"1" => array( "name1" => "pear",
"name2" => "john",
"data" => array() )
);
$final_array['adjacencies'] = $adjacencies;
echo "<pre>";
print_r(json_encode($final_array));
这是上面代码的结果:
如你所见, data
的值是[]
,而我想要这个{}
。 我怎样才能做到这一点?
虽然我不确定你的问题背后的原因是什么,而不是将data
键设置为数组,只需将其定义为新对象即可 。
$adjacencies = array ( "0" => array( "name1" => "pear",
"name2" => "jack",
"data" => new stdClass() ),
"1" => array( "name1" => "pear",
"name2" => "john",
"data" => new stdClass() )
);
$final_array['adjacencies'] = $adjacencies;
echo "<pre>";
print_r(json_encode($final_array));
资源:
如果它适合您(或stdClass),您可以使用ArrayObject。
例如:
php > echo json_encode([[],[]]);
[[],[]]
php > echo json_encode([ new ArrayObject(), new ArrayObject()]);
[{},{}]
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