Php method to restore the array key as a numerical sequence

This article mainly introduces how php restores the array key as a numerical sequence, and involves the php technique of operating the array key name, for more information about how to use php to restore an array, see the following example. Share it with you for your reference. The specific analysis is as follows:

Here, php restores the key value of the array to a numerical sequence 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:

The code is as follows:

Restore_array (array ('a' => 1, 'B' => 2); --> returns array (0 => 1, 1 => 2)

I hope this article will help you with php programming.