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PHP二维数组排序简单实现方法,php二维数组排序

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Release: 2016-06-13 08:46:21
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PHP二维数组排序简单实现方法,php二维数组排序

本文实例讲述了PHP二维数组排序简单实现方法。分享给大家供大家参考,具体如下:

function multi_compare($a, $b)
{
  $val_arr = array(
      'gold'=>'asc',
      'silver'=>'desc'//还可以增加额外的排序条件
  );
  foreach($val_arr as $key => $val){
    if($a[$key] == $b[$key]){
      continue;
    }
    return (($val == 'desc')&#63;-1:1) * (($a[$key] < $b[$key]) &#63; -1 : 1);
  }
  return 0;
}
$arr = array(
  array('gold'=>1, 'silver'=>2),
  array('gold'=>8, 'silver'=>10),
  array('gold'=>8, 'silver'=>8),
  array('gold'=>2, 'silver'=>1),
);
uasort($arr, 'multi_compare');
print_r($arr);

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运行结果如下:

Array
(
  [0] => Array
    (
      [gold] => 1
      [silver] => 2
    )
  [3] => Array
    (
      [gold] => 2
      [silver] => 1
    )
  [1] => Array
    (
      [gold] => 8
      [silver] => 10
    )
  [2] => Array
    (
      [gold] => 8
      [silver] => 8
    )
)

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更多关于PHP相关内容感兴趣的读者可查看本站专题:《php排序算法总结》、《PHP基本语法入门教程》、《PHP错误与异常处理方法总结》及《php常用函数与技巧总结》

希望本文所述对大家PHP程序设计有所帮助。

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