代码初始化
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185
extend/fast/Http.php
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185
extend/fast/Http.php
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<?php
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namespace fast;
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/**
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* Http 请求类
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*/
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class Http
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{
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/**
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* 发送一个POST请求
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* @param string $url 请求URL
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* @param array $params 请求参数
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* @param array $options 扩展参数
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* @return mixed|string
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*/
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public static function post($url, $params = [], $options = [])
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{
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$req = self::sendRequest($url, $params, 'POST', $options);
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return $req['ret'] ? $req['msg'] : '';
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}
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/**
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* 发送一个GET请求
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* @param string $url 请求URL
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* @param array $params 请求参数
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* @param array $options 扩展参数
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* @return mixed|string
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*/
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public static function get($url, $params = [], $options = [])
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{
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$req = self::sendRequest($url, $params, 'GET', $options);
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return $req['ret'] ? $req['msg'] : '';
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}
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/**
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* CURL发送Request请求,含POST和REQUEST
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* @param string $url 请求的链接
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* @param mixed $params 传递的参数
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* @param string $method 请求的方法
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* @param mixed $options CURL的参数
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* @return array
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*/
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public static function sendRequest($url, $params = [], $method = 'POST', $options = [])
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{
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$method = strtoupper($method);
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$protocol = substr($url, 0, 5);
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$query_string = is_array($params) ? http_build_query($params) : $params;
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$ch = curl_init();
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$defaults = [];
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if ('GET' == $method) {
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$geturl = $query_string ? $url . (stripos($url, "?") !== false ? "&" : "?") . $query_string : $url;
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$defaults[CURLOPT_URL] = $geturl;
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} else {
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$defaults[CURLOPT_URL] = $url;
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if ($method == 'POST') {
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$defaults[CURLOPT_POST] = 1;
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} else {
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$defaults[CURLOPT_CUSTOMREQUEST] = $method;
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}
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$defaults[CURLOPT_POSTFIELDS] = is_array($params) && count(array_filter($params, 'is_array')) > 0 ? $query_string : $params;
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}
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$defaults[CURLOPT_HEADER] = false;
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$defaults[CURLOPT_USERAGENT] = "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/45.0.2454.98 Safari/537.36";
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$defaults[CURLOPT_FOLLOWLOCATION] = true;
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$defaults[CURLOPT_RETURNTRANSFER] = true;
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$defaults[CURLOPT_CONNECTTIMEOUT] = 10;
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$defaults[CURLOPT_TIMEOUT] = 10;
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// disable 100-continue
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curl_setopt($ch, CURLOPT_HTTPHEADER, array('Expect:'));
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if ('https' == $protocol) {
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$defaults[CURLOPT_SSL_VERIFYPEER] = false;
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$defaults[CURLOPT_SSL_VERIFYHOST] = false;
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}
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curl_setopt_array($ch, (array)$options + $defaults);
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$ret = curl_exec($ch);
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$err = curl_error($ch);
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if (false === $ret || !empty($err)) {
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$errno = curl_errno($ch);
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$info = curl_getinfo($ch);
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curl_close($ch);
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return [
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'ret' => false,
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'errno' => $errno,
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'msg' => $err,
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'info' => $info,
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];
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}
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curl_close($ch);
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return [
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'ret' => true,
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'msg' => $ret,
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];
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}
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/**
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* 异步发送一个请求
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* @param string $url 请求的链接
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* @param mixed $params 请求的参数
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* @param string $method 请求的方法
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* @return boolean TRUE
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*/
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public static function sendAsyncRequest($url, $params = [], $method = 'POST')
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{
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$method = strtoupper($method);
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$method = $method == 'POST' ? 'POST' : 'GET';
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//构造传递的参数
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if (is_array($params)) {
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$post_params = [];
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foreach ($params as $k => &$v) {
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if (is_array($v)) {
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$v = implode(',', $v);
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}
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$post_params[] = $k . '=' . urlencode($v);
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}
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$post_string = implode('&', $post_params);
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} else {
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$post_string = $params;
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}
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$parts = parse_url($url);
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//构造查询的参数
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if ($method == 'GET' && $post_string) {
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$parts['query'] = isset($parts['query']) ? $parts['query'] . '&' . $post_string : $post_string;
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$post_string = '';
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}
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$parts['query'] = isset($parts['query']) && $parts['query'] ? '?' . $parts['query'] : '';
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//发送socket请求,获得连接句柄
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$fp = fsockopen($parts['host'], $parts['port'] ?? 80, $errno, $errstr, 10);
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if (!$fp) {
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return false;
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}
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//设置超时时间
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stream_set_timeout($fp, 10);
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$out = "{$method} {$parts['path']}{$parts['query']} HTTP/1.1\r\n";
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$out .= "Host: {$parts['host']}\r\n";
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$out .= "Content-Type: application/x-www-form-urlencoded\r\n";
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$out .= "Content-Length: " . strlen($post_string) . "\r\n";
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$out .= "Connection: Close\r\n\r\n";
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if ($post_string !== '') {
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$out .= $post_string;
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}
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fwrite($fp, $out);
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//不用关心服务器返回结果
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//echo fread($fp, 1024);
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fclose($fp);
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return true;
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}
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/**
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* 发送文件到客户端
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* @param string $file
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* @param bool $delaftersend
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* @param bool $exitaftersend
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*/
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public static function sendToBrowser($file, $delaftersend = true, $exitaftersend = true)
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{
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if (file_exists($file) && is_readable($file)) {
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header('Content-Description: File Transfer');
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header('Content-Type: application/octet-stream');
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header('Content-Disposition: attachment;filename = ' . basename($file));
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header('Content-Transfer-Encoding: binary');
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header('Expires: 0');
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header('Cache-Control: must-revalidate, post-check = 0, pre-check = 0');
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header('Pragma: public');
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header('Content-Length: ' . filesize($file));
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ob_clean();
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flush();
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readfile($file);
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if ($delaftersend) {
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unlink($file);
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}
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if ($exitaftersend) {
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exit;
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}
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}
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}
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}
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