[英]How to sort php multidimensional array
如何按第二個鍵對 php 數組進行排序或如何重新格式化該數組以使其成為可能 我想按 1,2(第二個鍵)對數組進行排序
( [0] => 數組 ( [1] => 數組 ( [hashtag] => a7e87329b5eab8578f4f1098a152d6f4 [title] => 花 [order] => 3 ) )
[1] => Array
(
[2] => Array
(
[hashtag] => b24ce0cd392a5b0b8dedc66c25213594
[title] => Free
[order] => 2
)
)
[2] => Array
(
[1] => Array
(
[hashtag] => e7d31fc0602fb2ede144d18cdffd816b
[title] => Ready
[order] => 1
)
)
[3] => Array
(
[2] => Array
(
[hashtag] => e7d31fc0602fb2ede144d18cdffd816b
[title] => Ready
[order] => 1
)
)
)
<?
function sorting($arr) {
for ($i=0; $i < count($arr); $i++) {
for ($j=0; $j < count($arr)-$j-1; $j++) {
if (key($arr[$j]) > key($arr[$j+1])) {
$tmp = $arr[$j];
$arr[$j] = $arr[$j+1];
$arr[$j+1] = $tmp;
}
}
}
return $arr;
}
$testArray = array(
0 => array(
2 => array
(
"hashtag" => "b24ce0cd392a5b0b8dedc66c25213594",
"title" => "Free",
"order" => 2
)
),
1 => array(
1 => array
(
"hashtag" => "e7d31fc0602fb2ede144d18cdffd816b",
"title" => "Ready",
"order" => 1
)
),
2 => array(
2 => array
(
"hashtag" => "e7d31fc0602fb2ede144d18cdffd816b",
"title" => "Ready",
"order" => 1
)
));
echo var_dump(sorting($testArray));
?>
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