Generating a JavaScript array from a PHP array

Question

Suppose that I have a string $var:

//php code

$var = \"hello,world,test\";
$exp = explode(\",\",$var);

Now I get the array as

Answer 1

I would have thought json_encode would be the most reliable and simplest way.

E.g.

$var = "hello,world,test";
$exp = explode(",",$var);
print json_encode($exp);