PHP not converting JSON using 'json_decode()'

Question

I have a very simple bit of code

$pc1 = $_POST['post_code1'];
$pc2 = $_POST['post_code2'];
$url = "http://maps.google.com/maps/nav?q=from:".$pc1."%20to:".$pc2;
$url_data = file_get_contents($url);
$json_data = json_decode($url_data);
var_dump($json_data);

$url_data is full of juicy json stuff but $json_data returns NULL. Does anyone have an idea why?

How deep is it? PHP doc: "NULL is returned if the json cannot be decoded or if the encoded data is deeper than the recursion limit." The recursion limit is 512 by default. — GolezTrol
– GolezTrol, Commented Apr 25, 2012 at 15:52

Community · Accepted Answer · 2017-05-23 12:12:09Z

3

I found the following worked after find a number of people with similar problems

$json_data = json_decode(utf8_encode($url_data),true);

source

edited May 23, 2017 at 12:12

CommunityBot

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answered Apr 25, 2012 at 15:55

Robert Johnstone

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1 Comment

Niet the Dark Absol Over a year ago

This is correct, because file_get_contents does so byte-for-byte and not character-for-character.

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