CURL请求

<?php
/**
*   发起一个HTTP(S)请求，并返回json格式的响应数据
*   @param array 错误信息  array($errorCode, $errorMessage)
*   @param string 请求Url
*   @param array 请求参数
*   @param string 请求类型(GET|POST)
*   @param int 超时时间
*   @param array 额外配置
*
*   @return array
*/
public function curl_request_json(&$error, $url, $param = array(), $method = 'GET', $timeout = 10, $exOptions = null) {
$error = false;
$responseText = curl_request_text($error, $url, $param, $method, $timeout, $exOptions);
$response = null;
if ($error == false && $responseText > 0) {
$response = json_decode($responseText, true);

if ($response == null) {
$error = array('errorCode'=>-1, 'errorMessage'=>'json decode fail', 'responseText'=>$responseText);
//将错误信息记录日志文件里
$logText = "json decode fail : $url";
if (!empty($param)) {
$logText .= ", param=".json_encode($param);
}
$logText .= ", responseText=$responseText";
file_put_contents("/data/error.log", $logText);
}
}
return $response;
}

/**
*  发起一个HTTP(S)请求，并返回响应文本
*   @param array 错误信息  array($errorCode, $errorMessage)
*   @param string 请求Url
*   @param array 请求参数
*   @param string 请求类型(GET|POST)
*   @param int 超时时间
*   @param array 额外配置
*
*   @return string
*/
public function curl_request_text(&$error, $url, $param = array(), $method = 'GET', $timeout = 15, $exOptions = NULL) {
//判断是否开启了curl扩展
if (!function_exists('curl_init')) exit('please open this curl extension');

//将请求方法变大写
$method = strtoupper($method);

$ch = curl_init();
curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, $timeout);
curl_setopt($ch, CURLOPT_TIMEOUT, $timeout);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
curl_setopt($ch, CURLOPT_HEADER, false);
if (isset($_SERVER['HTTP_USER_AGENT'])) curl_setopt($ch, CURLOPT_USERAGENT, $_SERVER['HTTP_USER_AGENT']);
if (isset($_SERVER['HTTP_REFERER'])) curl_setopt($ch, CURLOPT_REFERER, $_SERVER['HTTP_REFERER']);
curl_setopt($ch, CURLOPT_AUTOREFERER, 1);
switch ($method) {
case 'POST':
curl_setopt($ch, CURLOPT_POST, true);
if (!empty($param)) {
curl_setopt($ch, CURLOPT_POSTFIELDS, (is_array($param)) ? http_build_query($param) : $param);
}
break;

case 'GET':
case 'DELETE':
if ($method == 'DELETE') {
curl_setopt($ch, CURLOPT_CUSTOMREQUEST, 'DELETE');
}
if (!empty($param)) {
$url = $url.(strpos($url, '?') ? '&' : '?').(is_array($param) ? http_build_query($param) : $param);
}
break;
}
curl_setopt($ch, CURLINFO_HEADER_OUT, true);
curl_setopt($ch, CURLOPT_URL, $url);
//设置额外配置
if (!empty($exOptions)) {
foreach ($exOptions as $k => $v) {
curl_setopt($ch, $k, $v);
}
}
$response = curl_exec($ch);

$error = false;
//看是否有报错
$errorCode = curl_errno($ch);
if ($errorCode) {
$errorMessage = curl_error($ch);
$error = array('errorCode'=>$errorCode, 'errorMessage'=>$errorMessage);
//将报错写入日志文件里
$logText = "$method $url: [$errorCode]$errorMessage";
if (!empty($param)) $logText .= ",$param".json_encode($param);
file_put_contents('/data/error.log', $logText);
}

curl_close($ch);

return $response;

}

?>

获取用户信息的自定义函数