Justin's Words

PHP cURL GET & POST

Posted on | In | 
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<?php
function curlCrawler($url, $data=array(), $method='GET', $http_header = "application/x-www-form-urlencoded; charset=utf-8") {
    $fields_string = '';
    foreach ($data as $key => $value) {
        $fields_string .= $key. '=' . $value . '&';
    }

    $curl_obj = curl_init();
    curl_setopt($curl_obj, CURLOPT_HEADER, 0);

    if (strtoupper($method) === 'POST') {
        curl_setopt($curl_obj, CURLOPT_URL, $url);
        curl_setopt($curl_obj, CURLOPT_POST, 1);
        curl_setopt($curl_obj, CURLOPT_POSTFIELDS, $fields_string);
    } elseif (strtoupper($method) === 'GET') {
        curl_setopt($curl_obj, CURLOPT_URL, $url . '?'. $fields_string);
    }

    curl_setopt($curl_obj, CURLOPT_HTTPHEADER, array($http_header, "Content-Length: " . strlen($fields_string)));
    curl_setopt($curl_obj, CURLOPT_RETURNTRANSFER, true);
    curl_setopt($curl_obj, CURLOPT_CONNECTTIMEOUT, 3);
    curl_setopt($curl_obj, CURLOPT_TIMEOUT, 20);

    $rtn = curl_exec($curl_obj);

    if (!curl_errno($curl_obj)) {
        $response = $rtn;
    } else {
        $response = 'Curl error: ' . curl_error($curl_obj);
    }

    curl_close($curl_obj);
    return $response;
}