How can I get a PHP function that handles an AJAX function to return a boolean?

Question

So I've been testing and found out that if

session_start();
if ( $_POST['animal'] != $_SESSION['animal'] ) die(json_encode(false));

is run inside my PHP function to handle the AJAX call, then back in JavaScript land where I have

        success: function (correctCaptcha) {
            console.log("correctCaptcha is " + correctCaptcha); // test
            console.log("correctCaptcha's type is " + typeof (correctCaptcha)); // test
                if ( correctCaptcha )
                {

I'm seeing that correctCaptcha is the string "false" rather than the boolean value false. Consequently, the if block is entered and that's what's causing a bug. How can I get PHP to give me a boolean as the JSON it generates? Or what is a better solution?

@RiggsFolly Obviously, but I don't want to jerry-rig the coding of this site too much — Subpar Web Dev
– Subpar Web Dev, Commented Dec 9, 2015 at 0:49

VIDesignz · Accepted Answer · 2015-12-09 00:38:53Z

2

You can do

json_encode((bool)1); // which is true

Or

json_encode((bool)0); // which is false

Ideally though you would want to do something like this

$results = ["result" => false];
json_encode($results);

From the documents, this should retain the boolean, not convert to a string.

Then access the results in your javascript like this (as an object)

console.log(correctCaptcha.result);

edited Dec 9, 2015 at 0:38

answered Dec 9, 2015 at 0:30

VIDesignz

4,8133 gold badges30 silver badges38 bronze badges

Sign up to request clarification or add additional context in comments.

Collectives™ on Stack Overflow

How can I get a PHP function that handles an AJAX function to return a boolean?

1 Answer 1

Comments

Your Answer

Hot Network Questions

Collectives™ on Stack Overflow

1 Answer 1

Comments

Your Answer

Sign up or log in

Post as a guest

Related