php快递接口无限制查询API类

php代码

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expressname = $this->expressname();
	}
	
	/*
	 * 采集网页内容的方法
	 */
	private function getcontent($url){
		if(function_exists("file_get_contents")){
			$file_contents = file_get_contents($url);
		}else{
			$ch = curl_init();
			$timeout = 5;
			curl_setopt($ch, CURLOPT_URL, $url);
			curl_setopt ($ch, CURLOPT_RETURNTRANSFER, 1);
			curl_setopt ($ch, CURLOPT_CONNECTTIMEOUT, $timeout);
			$file_contents = curl_exec($ch);
			curl_close($ch);
		}
		return $file_contents;
	}
	/*
	 * 获取对应名称和对应传值的方法
	 */
	private function expressname(){
		$result = $this->getcontent("http://www.kuaidi100.com/");
		preg_match_all("/data\-code\=\"(?P\w+)\"\>\(?P