PHP cURL - PARSE server response

Question

I'm not a programmer, and i need your help please.

I have a cURL function that returns a server response - either success or error:

400 - Error Response:

<?xml version="1.0" encoding="UTF-8"?><statusCode>400</statusCode>
<errorMessage>In order to be contacted, please enter a valid phone number.</errorMessage>

200 - Success Response:

<?xml version="1.0" encoding="UTF-8"?>
<statusCode>200</statusCode>

I need to validate response based on 200 or 400 StatusCode.

If status is 200, proceed as normal.

If status is 400 (error) then I need to eztract the error messag (strip out all tags) and ECHO error message only (in the example above - In order to be contacted, please enter a valid phone number.)

How do I do it? Please help.

Thank you.

CURL Code:

$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_POST, 0);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);

$result = curl_exec($ch);
curl_close($ch);

$results is just a raw server response - I need to parse this raw data — Levchik
– Levchik, Commented Jan 13, 2015 at 23:40

Alex · Accepted Answer · 2015-01-14 00:07:32Z

7

I am still not sure what exactly you are looking for but you can try:

$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_POST, 0);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_HEADER, 1);

$result = curl_exec($ch);
$httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
if($httpCode == 400) {
  /* Handle 400 here. */
  echo "Error: " . curl_error($ch);
}


$header_size = curl_getinfo($ch, CURLINFO_HEADER_SIZE);
$header = substr($result , 0, $header_size);
$body = substr($result , $header_size);
 var_dump($header);
 var_dump($body);

curl_close($ch);

you are very welcome if any questions

edited Jan 14, 2015 at 0:07

answered Jan 13, 2015 at 23:47

Alex

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8 Comments

Levchik Over a year ago

If server response is 400 (error), that means user submitted wrong info. In that case I need to extract error message, and ECHO this error message to user. So I 1st need to identify if I got 200 or 400 status code. 2nd, if i got 400, then I need to ECHO just the error message

Alex Over a year ago

so? did you try my changes? did you get $header?

Levchik Over a year ago

Here is what I get if I use your code and do echo $result - string(207) "HTTP/1.0 200 OK Server: Apache/2.2.15 (CentOS) Vary: Accept-Encoding,User-Agent Content-Type: text/html; charset=UTF-8 Date: Wed, 14 Jan 2015 00:07:32 GMT Connection: Keep-Alive Content-Length: 139 " string(139) "2517111200" HTTP/1.0 200 OK Server: Apache/2.2.15 (CentOS) Vary: Accept-Encoding,User-Agent Content-Type: text/html; charset=UTF-8 Date: Wed, 14 Jan 2015 00:07:32 GMT Connection: Keep-Alive Content-Length: 139 2517111200

Alex Over a year ago

check my updates, and now you can see the difference between curl response and 'server row response'

Levchik Over a year ago

here is waht I get for echo $header - string(211) "HTTP/1.0 400 Bad Request Server: and a bunch of other code. ... so it does not work because I get too much unnecessary code --- I need to clean up the response I get ...

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