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Curl.php
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Curl.php
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<?php
/**
* Curl类
* Class Curl
* 从自己很老的的框架里挖出来的Curl类
*/
class Curl
{
protected $instance; // curl实例
// 默认UA
const UA = 'Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/56.0.2924.87 Safari/537.36';
/**
* Curl constructor.
* @param string $url 链接
* @param array $header
* @throws Exception
*/
public function __construct($url, array $header = [])
{
if ( !function_exists('curl_init')) throw new Exception('curl_init函数不存在,请确认相应扩展已正确加载', 1);
if (empty($header)) $header = [self::UA, 'Content-Type: application/json'];
$this->instance = curl_init($url);
$this->set(CURLOPT_RETURNTRANSFER, 1);
$this->set(CURLOPT_FOLLOWLOCATION, 1);
$this->set(CURLOPT_HTTPHEADER, $header);
$this->set(CURLOPT_SSL_VERIFYPEER, FALSE);
$this->setTimeOut(60);
}
/**
* 设置HTTP头
* @param array $header
* @return $this
*/
public function setHeader(array $header)
{
$this->set(CURLOPT_HTTPHEADER, $header);
return $this;
}
/**
* curl_setopt
* @param $opt
* @param $v
* @return $this
*/
public function set($opt, $v)
{
curl_setopt($this->instance, $opt, $v);
return $this;
}
/**
* 执行curl
* @return mixed
*/
public function exec()
{
return curl_exec($this->instance);
}
/**
* get方法执行curl
* @return mixed
*/
public function get()
{
return $this->exec();
}
public function __toString()
{
return $this->exec();
}
/**
* 转发所有请求到$this->instance
* @param $name
* @param $arguments
* @return mixed
*/
public function __call($name, $arguments)
{
return call_user_func_array([$this->instance, $name], $arguments);
}
/**
* post方法执行curl
* @param string|array $data
* @return mixed
*/
public function post($data)
{
$this->set(CURLOPT_POST, 1);
if (is_array($data)){
$this->set(CURLOPT_POSTFIELDS, http_build_query($data));
} else {
$this->set(CURLOPT_POSTFIELDS, $data);
}
return $this->exec();
}
/**
* 添加Cookie
* @param string|array $cookie
* @return $this
*/
public function addCookie($cookie)
{
if (is_array($cookie)){
$r = '';
foreach ($cookie as $key => $value){
$r .= "{$key}={$value}; ";
}
} else {
$r = $cookie;
}
$this->set(CURLOPT_COOKIE, $r);
return $this;
}
/**
* 读取Cookie值
* @param string $text 网页Header信息(CURLOPT_HEADER设为1)
* @param bool $info 是否获取Cookie详细信息,默认为假
* @return array
*/
public static function readCookies($text, $info = FALSE)
{
preg_match_all("/set\-cookie:(.*)/i", $text, $result);
if (count($result[1]) == 0) return array();
$cookie_list = array();
foreach ($result[1] as $cookie){
$cookie_ary = explode(';', $cookie);
$cookie = trim($cookie_ary[0]);
$wz = stripos($cookie, '=');
$key = substr($cookie, 0, $wz);
if ($info){
$ary = array();
foreach ($cookie_ary as $value){
$value = trim($value);
$wz = stripos($value, '=');
$ary[substr($value, 0, $wz)] = substr($value, $wz + 1);
}
$cookie_list[$key] = $ary;
} else {
$cookie_list[$key] = substr($cookie, $wz + 1);
}
}
return $cookie_list;
}
/**
* 发起请求并获取Cookie
* @param bool $postdata POST数据,为false时发起GET请求
* @param bool $info 是否获取Cookie详细信息,默认为假
* @return array
*/
public function getCookies($postdata = FALSE, $info = FALSE)
{
$this->set(CURLOPT_HEADER, 1);
if ($postdata !== FALSE){
return self::readCookies($this->post($postdata), $info);
} else {
return self::readCookies($this->exec(), $info);
}
}
/**
* curl_getinfo
* @param $opt
* @return mixed
*/
public function getInfo($opt)
{
return curl_getinfo($this->instance, $opt);
}
/**
* curl_errno
* @return int
*/
public function errorNo()
{
return curl_errno($this->instance);
}
/**
* curl_error
* @return string 错误信息
*/
public function errorMsg()
{
return curl_error($this->instance);
}
/**
* 返回一个带错误代码的curl错误信息
* @return string 错误信息
*/
public function error()
{
return '#' . $this->errorNo() . ' - ' . $this->errorMsg();
}
/**
* 关闭curl
*/
public function close()
{
curl_close($this->instance);
}
/**
* 设置超时时间 单位:秒
* @param int $time 单位:秒
* @return $this
*/
public function setTimeOut($time)
{
$this->set(CURLOPT_TIMEOUT, $time);
return $this;
}
/**
* 销毁类时释放curl资源
*/
public function __destruct()
{
$this->close();
}
}