Question

I need to change it into :

$arr['id']=1;

$arr['type']=2;

Answer 1

Use: parse_str().

void parse_str(string $str [, array &$arr])  

Parses str as if it were the query string passed via a URL and sets variables in the current scope.

Example:

<?php
    $str = "first=value&arr[]=foo+bar&arr[]=baz";
    parse_str($str);
    echo $first;  // value
    echo $arr[0]; // foo bar
    echo $arr[1]; // baz

    parse_str($str, $output);
    echo $output['first'];  // value
    echo $output['arr'][0]; // foo bar
    echo $output['arr'][1]; // baz

?>