PHP method to restore the key of an array to a numerical sequence, array key_PHP tutorial

How PHP restores the key of an array to a sequence of numbers, array key

The example in this article describes how PHP restores the key of an array to a sequence of numbers. Share it with everyone for your reference. The specific analysis is as follows:

Here, PHP is implemented to restore the key value of the array into a sequence of numbers similar to 0,1,2,3,4,5...

function restore_array($arr){
 if (!is_array($arr)){ return $arr; }
 $c = 0; $new = array();
 while (list($key, $value) = each($arr)){
  if (is_array($value)){
   $new[$c] = restore_array($value);
  }
  else { $new[$c] = $value; }
  $c++;
 }
 return $new;
}

Demo example:
Copy code The code is as follows: restore_array(array('a' => 1, 'b' => 2)); --> returns array(0 => 1, 1 => 2)

I hope this article will be helpful to everyone’s PHP programming design.

http://www.bkjia.com/PHPjc/991805.htmlwww.bkjia.comtruehttp: //www.bkjia.com/PHPjc/991805.htmlTechArticlephp method to restore the key of an array to a sequence of numbers, array key This article describes how to restore the key of an array to a number in php sequence method. Share it with everyone for your reference. The specific analysis is as follows:...