Passing array from PHP to JavaScript NOT WITH JSON

Question

My work host has an old version of PHP and it's not supporting json_encode(), so I need another way to pass array of strings from PHP to JavaScript, can't figure out how.... please help.

This is my current working code that's needed "downgrade":

PHP:

$arr = array($first_name,$last_name, $phone, $email, $number);
echo json_encode($arr);

JAVASCRIPT (ignore the missing brackets):

function get_repeat_request_details(request_id){
    if (window.XMLHttpRequest)
    {
        xmlhttp=new XMLHttpRequest();
    }
    else
    {
        xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
    }
    xmlhttp.onreadystatechange=function()
    {
        if (xmlhttp.readyState==4 && xmlhttp.status==200){
            var arr = JSON.parse(xmlhttp.responseText);
            document.getElementById("tb_f_name").value = arr[0];
            document.getElementById("tb_l_name").value = arr[1];
            document.getElementById("tb_phone").value = arr[2];
            document.getElementById("tb_email").value = arr[3];
            document.getElementById("tb_number").value = arr[4];

why downgrade? implement your json_encode. It's not that difficult (I bet there are some implementations already) — madfriend
– madfriend, Commented Jul 23, 2012 at 14:26
php.net/manual/en/function.json-encode.php there is a custom implementation in the comments that works great — user657496
– user657496, Commented Jul 23, 2012 at 14:27
Thanks, seems like a duplicate issue, couldn't use that first post's solution though. PHP upgrading or touching on host is not an option sadly... — LazyZebra
– LazyZebra, Commented Jul 23, 2012 at 14:37

Gavin · Accepted Answer · 2012-07-23 14:39:26Z

1

What about using: http://www.dzone.com/snippets/jsonencode-alternative-php-4

It will detect if json_encode already exists, but if not, then provides an alternative.

answered Jul 23, 2012 at 14:39

Gavin

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