[英]PHP - How do I add a key => value to a specific part of an multidimensional array?
How would I insert a key => value pair into the midst of a nested array? 如何将键=>值对插入嵌套数组的中间?
example: 例:
array
1 => string 'a' (length=1)
2 => string 'b' (length=1)
3 =>
array
'this' => string 'that' (length=4)
'meh' => string 'foo' (length=3)
'blah' =>
array
'a' => int 1
'b' => int 2
4 =>
array
'this' => string 'that' (length=4)
'meh' => string 'foo' (length=3)
'blah' =>
array
'a' => int 1
'b' => int 2
How would I add x=>1
to every second level of array... so I would get this: 我如何将x=>1
添加到数组的每一第二级...所以我将得到以下信息:
array
1 => string 'a' (length=1)
2 => string 'b' (length=1)
3 =>
array
'this' => string 'that' (length=4)
'meh' => string 'foo' (length=3)
'blah' =>
array
'a' => int 1
'b' => int 2
'x' => int 1 //Here's the added bit
4 =>
array
'this' => string 'that' (length=4)
'meh' => string 'foo' (length=3)
'blah' =>
array
'a' => int 1
'b' => int 2
'x' => int 1 //Here's the added bit
$array[3]['x'] = 1;
$array[4]['x'] = 1;
Or, if you were looking for something automated on an array of indefinite length: 或者,如果您要查找不确定长度的数组中的自动化内容:
foreach ($array as &$node) {
if (is_array($node)) {
$node['x'] = 1;
}
}
if(!is_array($array1['property']))
{
$array1['property'] = array();
}
$array1['property']['x'] = 1;
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