Split array into strings

Question

I am in the process of creating a website that ges informatin from an API that responds in JSON-format. I would like to execute the following command in PHP:

exec('curl -v -u {client_id}:{client_secret} -d code="{authorization_code}" -d redirect_uri={redirect_uri} -d grant_type=authorization_code https://api.basespace.illumina.com/v1pre3/oauthv2/token', $token);

This returns an array called $token which contains something of the following format:

Array ( [0] => {"error":"invalid_grant","error_description":"Authorization code is unknown for this application or an access token has already been issued for it."} )

In this example I would like to put the error and the error_description in seperate variables, for further processing. I already thought of using substr(), but the content of $token can vary, so I think that won't work... Is there another, more simple way to split the array?

json_decode didn't work ?

hlscalon
– hlscalon

2014-07-08 14:58:30 +00:00
Commented Jul 8, 2014 at 14:58 — hlscalon
– hlscalon, Commented Jul 8, 2014 at 14:58
No, for some reason that doesn't work...

Fingashpitzzz
– Fingashpitzzz

2014-07-09 08:17:17 +00:00
Commented Jul 9, 2014 at 8:17 — Fingashpitzzz
– Fingashpitzzz, Commented Jul 9, 2014 at 8:17

Fingashpitzzz · Accepted Answer · 2014-07-10 06:48:49Z

1

$arr = json_decode($token[0], true); //not a very indicative name for JSON, 'token'
$error = $arr['error'];
$error_desc = $arr['error_description'];

edited Jul 10, 2014 at 6:48

Fingashpitzzz

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answered Jul 8, 2014 at 14:59

Mitya

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5 Comments

Brian Over a year ago

Instead I would do ... $arr = json_decode($token[0]); ... since $token is an array. And drop the [0] from the rest.

Mitya Over a year ago

Well it clearly does something - it turns a JSON-encoded string into an object or array. Do some debugging to see what it's returning for you. You can print_r() its result.

Fingashpitzzz Over a year ago

print_r($token) gives the output I gave in my question.

Fingashpitzzz Over a year ago

Also, if I try $arr = json_decode($token[0]);, everything after that is not executed and nothing is echod anymore

Fingashpitzzz Over a year ago

All right, I think I found the problem. I changed your first line to $arr = json_decode($token[0], true); and now it works. Thanks!

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