//get获取
function ihttp_get($url) {return ihttp_request($url);
}//post获取
function ihttp_post($url, $data) {$headers = array('Content-Type' => 'application/x-www-form-urlencoded');return ihttp_request($url, $data, $headers);
}function ihttp_request($url, $post = '', $extra = array(), $timeout = 60) {$urlset = parse_url($url);if(empty($urlset['path'])) {$urlset['path'] = '/';}if(!empty($urlset['query'])) {$urlset['query'] = "?{$urlset['query']}";}if(empty($urlset['port'])) {$urlset['port'] = $urlset['scheme'] == 'https' ? '443' : '80';}if(function_exists('curl_init') && function_exists('curl_exec')) {$ch = curl_init();curl_setopt($ch, CURLOPT_URL, $urlset['scheme']. '://' .$urlset['host'].($urlset['port'] == '80' ? '' : ':'.$urlset['port']).$urlset['path'].$urlset['query']);curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);curl_setopt($ch, CURLOPT_HEADER, 1);if($post) {curl_setopt($ch, CURLOPT_POST, 1);if (is_array($post)) {$post = http_build_query($post);}curl_setopt($ch, CURLOPT_POSTFIELDS, $post);}curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, $timeout);curl_setopt($ch, CURLOPT_TIMEOUT, $timeout);curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);curl_setopt($ch, CURLOPT_USERAGENT, 'Mozilla/5.0 (Windows NT 6.1; WOW64; rv:9.0.1) Gecko/20100101 Firefox/9.0.1');if (!empty($extra) && is_array($extra)) {$headers = array();foreach ($extra as $opt => $value) {if (strexists($opt, 'CURLOPT_')) {curl_setopt($ch, constant($opt), $value);} elseif (is_numeric($opt)) {curl_setopt($ch, $opt, $value);} else {$headers[] = "{$opt}: {$value}";}}if(!empty($headers)) {curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);}}$data = curl_exec($ch);$status = curl_getinfo($ch);$errno = curl_errno($ch);curl_close($ch);if($errno || empty($data)) {return false;} else {return ihttp_response_parse($data);}}$method = empty($post) ? 'GET' : 'POST';$fdata = "{$method} {$urlset['path']}{$urlset['query']} HTTP/1.1\r\n";$fdata .= "Host: {$urlset['host']}\r\n";if(function_exists('gzdecode')) {$fdata .= "Accept-Encoding: gzip, deflate\r\n";}$fdata .= "Connection: close\r\n";if (!empty($extra) && is_array($extra)) {foreach ($extra as $opt => $value) {if (!strexists($opt, 'CURLOPT_')) {$fdata .= "{$opt}: {$value}\r\n";}}}$body = '';if ($post) {if (is_array($post)) {$body = http_build_query($post);} else {$body = urlencode($post);}$fdata .= 'Content-Length: ' . strlen($body) . "\r\n\r\n{$body}";} else {$fdata .= "\r\n";}if($urlset['scheme'] == 'https') {$fp = fsockopen('ssl://' . $urlset['host'], $urlset['port']);} else {$fp = fsockopen($urlset['host'], $urlset['port']);}stream_set_blocking($fp, true);stream_set_timeout($fp, $timeout);if (!$fp) {return false;} else {fwrite($fp, $fdata);$content = '';while (!feof($fp))$content .= fgets($fp, 512);fclose($fp);return ihttp_response_parse($content, true);}
}function ihttp_response_parse($data, $chunked = false) {$rlt = array();$pos = strpos($data, "\r\n\r\n");$split1[0] = substr($data, 0, $pos);$split1[1] = substr($data, $pos + 4, strlen($data));$split2 = explode("\r\n", $split1[0], 2);preg_match('/^(\S+) (\S+) (\S+)$/', $split2[0], $matches);$rlt['code'] = $matches[2];$rlt['status'] = $matches[3];$rlt['responseline'] = $split2[0];$header = explode("\r\n", $split2[1]);$isgzip = false;$ischunk = false;foreach ($header as $v) {$row = explode(':', $v);$key = trim($row[0]);$value = trim($row[1]);if (is_array($rlt['headers'][$key])) {$rlt['headers'][$key][] = $value;} elseif (!empty($rlt['headers'][$key])) {$temp = $rlt['headers'][$key];unset($rlt['headers'][$key]);$rlt['headers'][$key][] = $temp;$rlt['headers'][$key][] = $value;} else {$rlt['headers'][$key] = $value;}if(!$isgzip && strtolower($key) == 'content-encoding' && strtolower($value) == 'gzip') {$isgzip = true;}if(!$ischunk && strtolower($key) == 'transfer-encoding' && strtolower($value) == 'chunked') {$ischunk = true;}}if($chunked && $ischunk) {$rlt['content'] = ihttp_response_parse_unchunk($split1[1]);} else {$rlt['content'] = $split1[1];}if($isgzip && function_exists('gzdecode')) {$rlt['content'] = gzdecode($rlt['content']);}$rlt['meta'] = $data;if($rlt['code'] == '100') {return ihttp_response_parse($rlt['content']);}return $rlt;
}function ihttp_response_parse_unchunk($str = null) {if(!is_string($str) or strlen($str) < 1) {return false;}$eol = "\r\n";$add = strlen($eol);$tmp = $str;$str = '';do {$tmp = ltrim($tmp);$pos = strpos($tmp, $eol);if($pos === false) {return false;}$len = hexdec(substr($tmp, 0, $pos));if(!is_numeric($len) or $len < 0) {return false;}$str .= substr($tmp, ($pos + $add), $len);$tmp  = substr($tmp, ($len + $pos + $add));$check = trim($tmp);} while(!empty($check));unset($tmp);return $str;
}