How to implement multi-dimensional array sorting in php

This article mainly introduces the method of implementing multi-dimensional array sorting in PHP, and analyzes PHP's related skills for sorting multi-dimensional arrays in the form of examples. Friends in need can refer to the following

The examples in this article describe the implementation of PHP Methods for sorting multidimensional arrays. Share it with everyone for your reference, the details are as follows:

//定义一个学生数组
$students = array(
  256=>array('name'=>'jon','grade'=>98.5),
  2=>array('name'=>'vance','grade'=>85.1),
  9=>array('name'=>'stephen','grade'=>94.0),
  364=>array('name'=>'steve','grade'=>85.1),
  68=>array('name'=>'rob','grade'=>74.6),
);
//按照名称进行排序
function name_sort($x, $y)
{
  return strcasecmp($x['name'],$y['name']);
}
//按照成绩进行排序
function grade_sort($x,$y)
{
  return ($x['grade'] > $y['grade']);
}
//应用
uasort($students, name_sort);
uasort($students, grade_sort);

The above is the entire content of this article, I hope it will be helpful to everyone’s study .

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