I have a PHP script that's being called through jQuery AJAX. I want the PHP script to return the data in JSON format to the javascript. Here's the pseudo code in the PHP script:
$json = "{";
foreach($result as $addr)
{
foreach($addr as $line)
{
$json .= $line . "\n";
}
$json .= "\n\n";
}
$json .= "}";
Basically, I need the results of the two for loops to be inserted in $json.
Php has an inbuilt JSON Serialising function.
json_encode
Please use that if you can and don't suffer Not Invented Here syndrome.
Here are a couple of things missing in the previous answers:
Set header in your PHP:
header('Content-type: application/json');
echo json_encode($array);
json_encode() can return a JavaScript array instead of JavaScript object, see:
Returning JSON from a PHP Script
This could be important to know in some cases as arrays and objects are not the same.