Post Data and Retrieve the Response Using PHP Curl

Post data and retrieve the response using PHP Curl?

You'll have to set the CURLOPT_RETURNTRANSFER option to true.

$ch = curl_init($url);

curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS, $params);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$result = curl_exec($ch);

curl_close($ch);

The response to your request will be available in the $result variable.

How to Retrieve cURL Data within the URL Endpoint

You can access to these data via the $_SERVER superglobal.

Endpoint :

<?php

$user     = $_SERVER['PHP_AUTH_USER']; // alex
$password = $_SERVER['PHP_AUTH_PW'];   // password123

php curl post request and get result response

The very first: I'm using Firebug add-on and see what happen

Here one ajax get content from other site

We have this link

https://apis.pos.com.my/apigateway/as2corporate/api/v2trackntracewebapijson/v1/?id=EP024922993MY&Culture=En

In request of header we can see require X-User-Key

Now we must find X-User-Key => We can view source

Now we build source code

<?php
function _curl($url,$post="",$usecookie = false,$_sock = false,$timeout = false,$x_user_key = false) {  
    $ch = curl_init();
    if($post) {
        curl_setopt($ch, CURLOPT_POST ,1);
        curl_setopt ($ch, CURLOPT_POSTFIELDS, $post);
    }
    if($timeout){
        curl_setopt($ch, CURLOPT_CONNECTTIMEOUT,$timeout);
    }
    if($_sock){
            curl_setopt($ch, CURLOPT_PROXY, $_sock);
            curl_setopt($ch, CURLOPT_PROXYTYPE, CURLPROXY_SOCKS5);
    }
    curl_setopt($ch, CURLOPT_URL, $url); 
    curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);
    curl_setopt($ch, CURLOPT_USERAGENT, "Mozilla/5.0 (iPhone; U; CPU iPhone OS 3_0 like Mac OS X; en-us) AppleWebKit/528.18 (KHTML, like Gecko) Version/4.0 Mobile/7A341 Safari/528.16");
    curl_setopt($ch, CURLOPT_HTTPHEADER, array(
    'X-Apple-Tz: 0',
    'X-Apple-Store-Front: 143444,12'
    ));
    if($x_user_key){
        curl_setopt($ch, CURLOPT_HTTPHEADER, array(
        'X-User-Key: '.$x_user_key,
        'Referer: http://poslaju.com.my/track-trace/',
        'Origin: http://poslaju.com.my'
        ));
    }
    if ($usecookie) { 
        curl_setopt($ch, CURLOPT_COOKIEJAR, $usecookie); 
        curl_setopt($ch, CURLOPT_COOKIEFILE, $usecookie);    
    }
    curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
    curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 0);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER,1); 
    $result=curl_exec ($ch); 
    curl_close ($ch); 
    return $result; 
}
function getStr($string,$start,$end){
    $str = explode($start,$string,2);
    $str = explode($end,$str[1],2);
    return $str[0];
}
$url = 'http://poslaju.com.my/track-trace/';
$result_curl = _curl($url,'','','','','');
$x_user_key = getStr($result_curl,'{ "X-User-Key": "','" }');

$id_track = 'EP024922993MY';
$url = 'https://apis.pos.com.my/apigateway/as2corporate/api/v2trackntracewebapijson/v1/?id='.$id_track.'&Culture=En';
$result_curl = _curl($url,'','','','',$x_user_key);
echo $result_curl;
?>

Change id on your mind

You can get json content

Use print_r(json_decode($content_you_got)

And result you will have like this

How to get response using cURL in PHP

Just use the below piece of code to get the response from restful web service url, I use social mention url.

$response = get_web_page("http://socialmention.com/search?q=iphone+apps&f=json&t=microblogs&lang=fr");
$resArr = array();
$resArr = json_decode($response);
echo "<pre>"; print_r($resArr); echo "</pre>";

function get_web_page($url) {
    $options = array(
        CURLOPT_RETURNTRANSFER => true,   // return web page
        CURLOPT_HEADER         => false,  // don't return headers
        CURLOPT_FOLLOWLOCATION => true,   // follow redirects
        CURLOPT_MAXREDIRS      => 10,     // stop after 10 redirects
        CURLOPT_ENCODING       => "",     // handle compressed
        CURLOPT_USERAGENT      => "test", // name of client
        CURLOPT_AUTOREFERER    => true,   // set referrer on redirect
        CURLOPT_CONNECTTIMEOUT => 120,    // time-out on connect
        CURLOPT_TIMEOUT        => 120,    // time-out on response
    ); 

    $ch = curl_init($url);
    curl_setopt_array($ch, $options);

    $content  = curl_exec($ch);

    curl_close($ch);

    return $content;
}

PHP, cURL, and HTTP POST example?

<?php
//
// A very simple PHP example that sends a HTTP POST to a remote site
//

$ch = curl_init();

curl_setopt($ch, CURLOPT_URL,"http://www.example.com/tester.phtml");
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS,
            "postvar1=value1&postvar2=value2&postvar3=value3");

// In real life you should use something like:
// curl_setopt($ch, CURLOPT_POSTFIELDS, 
//          http_build_query(array('postvar1' => 'value1')));

// Receive server response ...
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);

$server_output = curl_exec($ch);

curl_close($ch);

// Further processing ...
if ($server_output == "OK") { ... } else { ... }
?>

How to post data using curl and get reponse based on posted data

The function on this link will work.

    <?php

function post_to_url($url, $data) {
    $fields = '';
    foreach ($data as $key => $value) {
        $fields .= $key . '=' . $value . '&';
    }
    rtrim($fields, '&');

    $post = curl_init();

    curl_setopt($post, CURLOPT_URL, $url);
    curl_setopt($post, CURLOPT_POST, count($data));
    curl_setopt($post, CURLOPT_POSTFIELDS, $fields);
    curl_setopt($post, CURLOPT_RETURNTRANSFER, 1);

    $result = curl_exec($post);

    curl_close($post);
    return $result;
}

$data = array(
    "name" => "new Name",
    "website" => "http://bavotasan.com",
    "twitterID" => "bavotasan"
);

$surl = 'http://mydomain.com/curl.php';
echo post_to_url($surl, $data);
?>

Whereas, on curl.php

<?php
file_put_contents('abc.text', "here is my data " . implode('->', $_POST));
if ($_POST['name']):
    print_r($_POST['name']);
endif;
?>

Retrieve the response code from header cURL php

I think you need to pass $curl to the curl_getinfo method, not the $response

$response = curl_exec($curl);
$theInfo = curl_getinfo($curl);
$http_code = $theInfo['http_code'];

You can see the doco here.. https://www.php.net/manual/en/function.curl-getinfo.php

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