PHP Curl equivalent of command line curl

Question

I have a working command line curl command

curl -v -d '{"auth": {"passwordCredentials": {"username": "myusername", "password": "mypassword"}}}' -H 'Content-type: application/json' myurl

I am trying to write equivalent PHP curl command -

$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, myurl);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_POST, true);
$data = array('json' => '{auth: {passwordCredentials : {username : myusername, password : mypassword }}}');
curl_setopt($ch, CURLOPT_POSTFIELDS, $data);
$output = curl_exec($ch);
echo $output;

I am having different response for both the calls. I have doubt about setting the json data correctly.

Could you show the responses you are getting? How are they different? Which one is producing the result you are expecting? — Floris
– Floris, Commented Dec 25, 2013 at 21:37
The value in $data is not a valid JSON string. You need to use quotes just like in the command line curl example. — Gergo Erdosi
– Gergo Erdosi, Commented Dec 25, 2013 at 21:43
@samitha - My question is, am i doing something wrong while writing equivalent PHP curl command Floris - Command line works fine, command line response - <p>The document has moved <a href="dev-test01.servosity.com.lab/admin/">here</…> PHP response also is same but it is redirecting me to different url "dev-test01.servosity.com.lab/auth/login/?next=/admin" which shows that in command line it gets authenticated but in PHP it is not getting authenticated and redirecting me to login page in place of profile page. Thanks — user3135240
– user3135240, Commented Dec 25, 2013 at 22:04
Yes that makes sense; you are not forming the request properly. Did the solution in my answer not solve it for you? — Floris
– Floris, Commented Dec 25, 2013 at 22:09

Sabuj Hassan · Accepted Answer · 2013-12-25 22:30:45Z

1

Along with your curl request, also send the HTTP header. For example:

curl_setopt($ch, CURLOPT_HTTPHEADER, array('Content-type: application/json'));

And the post data should be:

$post_data = '{auth: {passwordCredentials : {username : myusername, password : mypassword }}}';
curl_setopt($ch, CURLOPT_POSTFIELDS, $post_data);

answered Dec 25, 2013 at 22:30

Sabuj Hassan

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2 Comments

Floris Over a year ago

Good call about the header; not sure you can get away with JSON without the double quotes (see how json_encode did things in my answer)

Sabuj Hassan Over a year ago

using json_encode is the best practice. but for this case it will get away :-)

Community · Accepted Answer · 2017-05-23 12:28:41Z

0

You can use the json_encode function to make sure that things are properly encoded.

See for example https://stackoverflow.com/a/4271654/1967396 .

In your case, it might look like this:

$authData = array(auth =>  array(passwordCredentials => array( username => floris, password => secret )));

and then you create the POST data with

curl_setopt($ch, CURLOPT_POSTFIELDS, array('json'=>json_encode($authData)));

If you do

print json_encode($authData);

you get

{"auth":{"passwordCredentials":{"username":"floris","password":"secret"}}}

Presumably you could do this manually, without the json_encode function.

edited May 23, 2017 at 12:28

CommunityBot

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answered Dec 25, 2013 at 21:50

Floris

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4 Comments

user3135240 Over a year ago

Thank you floris, i did not thought of this approach By the way i wanted json string as - {"auth":{"passwordCredentials":{"username":"floris","password":"secret"},}} "," after the first "}" .

Floris Over a year ago

You original example didn't have the comma. Why do you need it? Does this solve the problem for you?

user3135240 Over a year ago

i figured out , i don't need that. Thanks. It did not solved my problem completely as i am still getting same response but the part for which i am here (setting the json data correctly) is solved.

Jovylle Over a year ago

Oh, this is old. but the POSTFIELDS receives it as array?

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