dps_qrcode/class_qrcode.php at master · Discuz-X/dps_qrcode · GitHub

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<?php
/**
 *      本程序由 缑城依然 开发
 *      若要二次开发或用于商业用途的，需要经过 缑城依然 同意。
 *      版权：宁海百姓网http://www.nhbxw.com
 *      2012-01-01
 */
if(!defined('IN_DISCUZ')) {
	exit('Access Denied');
}
class class_qrcode{
	private $data;
	public function text($text){  //creating text qr code
		$this->data = $text;
	}
	public function link($url){  //creating code with link mtadata
		if (preg_match('/^http:\/\//', $url) || preg_match('/^https:\/\//', $url)){
			$this->data = $url;
		}
		else{
			$this->data = "<a href=http://".$url.">http://".$url."</a>";
		}
	}
	public function bookmark($title, $url){  //creating code with bookmark metadata
		$this->data = "MEBKM:TITLE:".$title.";URL:".$url.";;";
	}
	public function email($email, $subject, $message){  //creating code with email metadata
		$this->data = "MATMSG:TO:".$email.";SUB:".$subject.";BODY:".$message.";;";
	}
	public function sms($phone, $text){  //creating code with sms metadata
		$this->data = "SMSTO:".$phone.":".$text;
	}
	public function mms($phone, $text){  //creating code with mms metadata
		$this->data = "MMSTO:".$phone.":".$text;
	}
	public function vcard($name, $phone,$email,$title,$url,$org,$address,$note){  //creating code with vcard metadata
		$this->data = "BEGIN:VCARD\nVERSION:3.0\nFN:".$name."\nTEL:".$phone."\nEMAIL:".$email."\nTITLE:".$title."\nURL:".$url."\nORG:".$org."\nADR:".$address."\nNOTE:".$note."\nEND:VCARD";
	}
	public function get_image($size = '200', $EC_level = 'L', $margin = '0'){  //getting image
		$this->data = urlencode(mb_convert_encoding($this->data,'utf-8','gb2312')); //gb2312->utf-8
		if(function_exists('curl_init')){
			$ch = curl_init();
			curl_setopt($ch, CURLOPT_URL, 'http://chart.apis.google.com/chart');
			curl_setopt($ch, CURLOPT_POST, true);
			curl_setopt($ch, CURLOPT_POSTFIELDS, 'chs='.$size.'x'.$size.'&cht=qr&chld='.$EC_level.'|'.$margin.'&chl='.$this->data);
			curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
			curl_setopt($ch, CURLOPT_HEADER, false);
			curl_setopt($ch, CURLOPT_TIMEOUT, 30);
			$response = curl_exec($ch);
			curl_close($ch);
		}else{
			$geturl = 'http://chart.apis.google.com/chart?chs='.$size.'x'.$size.'&cht=qr&choe=UTF-8&chld='.$EC_level.'|'.$margin.'&chl='.$this->data;
			$ctx = stream_context_create(array('http' => array('timeout' => 30 )));
			$response = file_get_contents($geturl, 0,$ctx);
		}
		return $response;
	}
	public function get_link($size = '200', $EC_level = 'L', $margin = '0'){  //getting link for image
		$this->data = urlencode(mb_convert_encoding($this->data,'utf-8','gb2312')); //gb2312->utf-8
		return 'http://chart.apis.google.com/chart?chs='.$size.'x'.$size.'&cht=qr&choe=UTF-8&chld='.$EC_level.'|'.$margin.'&chl='.$this->data;
	}
	public function back_link($long_url){  //back link for image
		$long_url = explode("&", $long_url);
		foreach($long_url as $key=>$value){
			$value=explode('=', $value);
			$long_url[$key] = $value[1];
		}
		unset($value);
		list($size) = explode("x",$long_url[0]);
		list($EC_level,$margin) = explode("|",mb_convert_encoding(urldecode($long_url[3]),'gb2312','utf-8'));
		$text = mb_convert_encoding(urldecode($long_url[4]),'gb2312','utf-8');
		$back = array($size,$EC_level,$text);
		return $back;
	}
	public function download_image($file){  //forsing image download
		header('Content-Description:File Transfer');
		header('Content-Type:image/jpeg');
		header('Content-Disposition:attachment;filename=QRcode.jpg');
		header('Content-Transfer-Encoding:binary');
		header('Expires:0');
		header('Cache-Control:must-revalidate, post-check=0, pre-check=0');
		header('Pragma:public');
		header('Content-Length:'.strlen($file));
		ob_clean();
		flush();
		echo $file;
	}
}
?>