PHP class instance to JSON

Question

I\'m trying echo the contents of an object in a JSON format. I\'m quite unexperienced with PHP and I was wondering if there is a predefined function to do this (like json_en

Answer 1

An alternative solution in PHP 5.4+ is using the JsonSerializable interface.

class Error implements \JsonSerializable
{
    private $name;
    private $code;
    private $msg;

    public function __construct($errorName, $errorCode, $errorMSG)
    {
        $this->name = $errorName;
        $this->code = $errorCode;
        $this->msg = $errorMSG;
    }

    public function jsonSerialize()
    {
        return get_object_vars($this);
    }
}

Then, you can convert your error object to JSON with json_encode

$error = new MyError("Page not found", 404, "Unfortunately, the page does not exist");
echo json_encode($error);

Check out the example here

More information about \JsonSerializable