PHP two-dimensional array sorting simple implementation method, PHP two-dimensional array sorting _php tutorial

PHP two-dimensional array sorting simple implementation method, PHP two-dimensional array sorting

In this paper, the simple implementation method of PHP two-dimensional array ordering is described. Share to everyone for your reference, as follows:

function Multi_compare ($a, $b) {  $val _arr = Array (      ' gold ' = ' asc ',      ' silver ' = ' desc '///can also add additional sorting criteria  );  foreach ($val _arr as $key = + $val) {    if ($a [$key] = = $b [$key]) {      continue;    }    Return (($val = = ' desc ') -1:1) * (($a [$key] < $b [$key]) -1:1);  }  return 0;} $arr = Array (  ' Gold ' =>1, ' Silver ' =>2), array (  ' Gold ' =>8, ' Silver ' =>10),  Array (' Gold ' =>8, ' Silver ' =>8),  array (' Gold ' =>2, ' Silver ' =>1), Uasort ($arr, ' Multi_compare ');p Rint_r ($ ARR);

The results of the operation are as follows:

Array (  [0] = = Array    (      [gold]      = 1 [Silver] = 2    )  [3] = = Array    (      [Gold] = > 2      [silver] + 1    )  [1] = = Array    (      [Gold] = 8      [silver] +    )  [2 ] = = Array    (      [Gold] = 8      [Silver] = 8    ))

More about PHP related content readers can view the topic: "Summary of PHP sorting algorithm", "PHP Basic Grammar Introductory Tutorial", "PHP error and Exception handling method summary" and "PHP common functions and Skills summary"

I hope this article is helpful to you in PHP programming.

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