php copying array elements by value, not by reference

Question

I have the following code:

$data[\'x\'] = $this->x->getResults();  

$data[\'y\'] = $data[\'x\'];

//some code here to modify $data[\'y\']
//this cause         


        

Answer 1

Not simple. Read about clone

BUT! if your elements are not objects and not refence type variables you have no problem.

Example for reference types:

$v=11;
$arr[]=&$v;