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  • PHP数组排序和按数量分割

    用PHP自带array_multisort函数排序


    <?php
     
        $data = array();
        $data[] = array('volume' => 67, 'edition' => 2);
        $data[] = array('volume' => 86, 'edition' => 1);
        $data[] = array('volume' => 85, 'edition' => 6);
        $data[] = array('volume' => 98, 'edition' => 2);
        $data[] = array('volume' => 86, 'edition' => 6);
        $data[] = array('volume' => 67, 'edition' => 7);
     
        // 取得列的列表
        foreach ($data as $key => $row)
        {
            $volume[$key]  = $row['volume'];
            $edition[$key] = $row['edition'];
        }
     
        array_multisort($volume, SORT_DESC, $edition, SORT_ASC, $data);
     
        print_r($data);
    ?>

    结果:

    Array
    (
        [0] => Array
            (
                [volume] => 98
                [edition] => 2
            )
        [1] => Array
            (
                [volume] => 86
                [edition] => 1
            )
        [2] => Array
            (
                [volume] => 86
                [edition] => 6
            )
        [3] => Array
            (
                [volume] => 85
                [edition] => 6
            )
        [4] => Array
            (
                [volume] => 67
                [edition] => 2
            )
        [5] => Array
            (
                [volume] => 67
                [edition] => 7
            )
    )

    数组分割:
    array_slice($arr,0,10)

    http://www.jb51.net/article/48841.htm

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  • 原文地址:https://www.cnblogs.com/xihong2014/p/5573556.html
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