php中getpost请求方法封装

网站上的商城可以搭建ecshop实现，微信端的微商城也可以开发wap版商城，然后通过链接链到微信菜单上，这样实现起来就不需要远程调用数据了，但登陆上有个问题，在微信上进入微商城在用户体验上当然不需要再登陆只需要有微信openid即可。所以有个考虑是在微信端开发微商城，所以的数据是取自网站商城的，这时需要远程请求数据。有了ihttp_request()方法后，可通过此方法获取远程数据

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 => $html' target='_blank'>value) {				if (strexists($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);		$error = curl_error($ch);				curl_close($ch);		if($errno || empty($data)) {			return error(1, $error);		} else {							return ihttp_response_parse($data);		}	}	$method = empty($post) ? 'GET' : 'POST';	$fdata = "{$method} {$urlset['path']}{$urlset['query']} HTTP/1.1";	$fdata .= "Host: {$urlset['host']}";	if(function_exists('gzdecode')) {		$fdata .= "Accept-Encoding: gzip, deflate";	}	$fdata .= "Connection: close";	if (!empty($extra) && is_array($extra)) {		foreach ($extra as $opt => $value) {			if (!strexists($opt, 'CURLOPT_')) {				$fdata .= "{$opt}: {$value}";			}		}	}	$body = '';	if ($post) {		if (is_array($post)) {			$body = http_build_query($post);		} else {			$body = urlencode($post);		}		$fdata .= 'Content-Length: ' . strlen($body) . "{$body}";	} else {		$fdata .= "";	}	if($urlset['scheme'] == 'https') {		$fp = fsockopen('ssl://' . $urlset['host'], $urlset['port'], $errno, $error);	} else {		$fp = fsockopen($urlset['host'], $urlset['port'], $errno, $error);	}	stream_set_blocking($fp, true);	stream_set_timeout($fp, $timeout);	if (!$fp) {		return error(1, $error);	} else {		fwrite($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, "");	$split1[0] = substr($data, 0, $pos);	$split1[1] = substr($data, $pos + 4, strlen($data));		$split2 = explode("", $split1[0], 2);	preg_match('/^(S+) (S+) (S+)$/', $split2[0], $matches);	$rlt['code'] = $matches[2];	$rlt['status'] = $matches[3];	$rlt['responseline'] = $split2[0];	$header = explode("", $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 = "";	$add = strlen($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;}

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