Php uses the ksort () function to sort joined arrays by keys.

This article mainly introduces how php uses the ksort () function to sort joined arrays by keys. The example shows how to use the ksort () function in php, for more information about how php uses the ksort () function to sort joined arrays by Keys, see the example in this article. Share it with you for your reference. The specific analysis is as follows:

Php uses the ksort () function to sort the joined array by key. The ksort function sorts the joined array by key in the forward order. if you want to sort the values in reverse order, you can use the krsort () function.

$ First = array ("x" => 5, "a" => 2, "f" => 1); ksort ($ first ); foreach ($ first as $ key => $ val) {print "$ key = $ val
";}

I hope this article will help you with php programming.