Getting data from JSON using PHP

Question

I have this code here:

<?php 

$url = "http://otter.topsy.com/search.json?q=debt%20management&window=a";
$jsonfile = file_get_contents($url);
$obj = json_decode($jsonfile);

echo $obj->response[0]->list[0]->trackback_permalink;

?>

*Note: I have taken my API key out of the URL.

However, it returns this:

Notice: Trying to get property of non-object in C:\xampp\htdocs\topsyAPI\index.php on line 23

Notice: Trying to get property of non-object in C:\xampp\htdocs\topsyAPI\index.php on line 23

Notice: Trying to get property of non-object in C:\xampp\htdocs\topsyAPI\index.php on line 23

I tried using the true parameter on json_decode and it's still not working.

This is the first time i've worked with an API and JSON, so I am very much new to it.. Could someone help me out please?

should be response, not response[0]. response isn't an array, its an object. — Shai Mishali
– Shai Mishali, Commented Nov 13, 2012 at 10:09
@Blake Is there a reason Svetlio was marked the right even though I answered earlier? :) — Shai Mishali
– Shai Mishali, Commented Nov 13, 2012 at 13:50
Just noticed you added it as an answer too, so marked it as right :) — Blake
– Blake, Commented Nov 13, 2012 at 17:12

Shai Mishali · Accepted Answer · 2012-11-13 10:15:56Z

2

As I wrote in the comments, response is an object, not an array. The reference should be to

$obj->response->list[0]->trackback_permalink

Not

$obj->response[0]->list[0]->trackback_permalink

answered Nov 13, 2012 at 10:15

Shai Mishali

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Svetoslav · Accepted Answer · 2012-11-13 10:11:54Z

1

$obj->response->list[0]->trackback_permalink;

I think that your response is Object not array

answered Nov 13, 2012 at 10:11

Svetoslav

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5 Comments

Shai Mishali Over a year ago

There are things that are too small to have a full answer for :) He was answered and his problem was resolved, there's no need to be the first to write an answer just to get some points. Thats greedy.

Svetoslav Over a year ago

It doesn't matter if they are small or large. Comment is comment and Answer is answer ..

dan-lee Over a year ago

Also there's no reason to downvote as this is a full answer, if you're not able to write it as a reply it's your own fault.

Shai Mishali Over a year ago

Fine, I think its rather childish - since you answered after his problem was already fixed, but whatever. cheers.

dan-lee Over a year ago

@ShaiMishali We are on StackOverflow PHP section, don't expect too much ;)

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