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PHP对二维数组自定义排序
<?php $arr = Array ( [0] => 6 [1] => 10 [2] => 100 [3] => 101 ) Array ( [0] => 5 [1] => 1 [2] => 6 [3] => 3 ); array_multisort(array_column($arr,'0'),SORT_DESC,$arr); ?>
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