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php 二维数组排序函数 php自定义二维数组排序函数array

时间:2024-02-08 01:33:37

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php 二维数组排序函数 php自定义二维数组排序函数array

这次给大家带来php自定义二维数组排序函数array,php自定义二维数组排序函数array的注意事项有哪些,下面就是实战案例,一起来看一下。

这篇文章主要介绍了php自定义二维数组排序函数array_orderby用法,结合实例形式分析了php针对二维数组进行排序的相关遍历、判定、排序等操作技巧,需要的朋友可以参考下

本文实例讲述了php自定义二维数组排序函数array_orderby用法。分享给大家供大家参考,具体如下:<?php

/**

I came up with an easy way to sort database-style results. This does what example 3 does, except it takes care of creating those intermediate arrays for you before passing control on to array_multisort().

*/

function array_orderby()

{

$args = func_get_args();

$data = array_shift($args);

foreach ($args as $n => $field) {

if (is_string($field)) {

$tmp = array();

foreach ($data as $key => $row)

$tmp[$key] = $row[$field];

$args[$n] = $tmp;

}

}

$args[] = &$data;

call_user_func_array('array_multisort', $args);

return array_pop($args);

}

/*

The sorted array is now in the return value of the function instead of being passed by reference.

*/

$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);

// Pass the array, followed by the column names and sort flags

$sorted = array_orderby($data, 'volume', SORT_DESC, 'edition', SORT_ASC);

print_r($sorted)

?>

运行结果: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

)

)

相信看了本文案例你已经掌握了方法,更多精彩请关注php中文网其它相关文章!

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