php generates QR code business card

[PHP] code

/*
* php generate QR code business card
* api Google
* google api QR code generation [QRcode can store up to 4296 alphanumeric types of arbitrary text, specific You can view the QR code data format】
* @param string $chl The information contained in the QR code can be numbers, characters, binary information, or Chinese characters. Data types cannot be mixed, and the data must be UTF-8 URL-encoded. If the information that needs to be transmitted exceeds 2K bytes, please use the POST method
* @param int $widhtHeight The size setting of the generated QR code
* @param string $ EC_level optional error correction level, QR code supports four levels of error correction, used to recover lost, misread, ambiguous, and data.
* L-Default: Can identify 7% of data that has been lost
* M-Can identify 15% of data that has been lost
* Q-Can identify 25% of data that has been lost
* H-Can identify 30% of data that has been lost Data
* @param int $margin The distance between the generated QR code and the picture border
* The format of the QR code business card---vcard
* The format reference is as follows:
 BEGIN: VCARD
 VERSION: 3.0
 FN: Username
 TEL;CELL;VOICE:15201280000
 TEL;WORK;VOICE:010-62100000
 TEL;WORK;FAX:010-62100001
 EMAIL;PREF;INTERNET:lzw#lzw.me
 URL: http://lzw.me
 orG: Zhiwen Studio
 ROLE: Product Department
 TITLE: CTO
 ADR; WORK; POSTAL: No. 35, North Fourth Ring Middle Road, Chaoyang District, Beijing; 100101
 REV: 2012-12-27T08:30:02Z
 END: VCARD

 If you want to customize the required format in more detail, you need to understand the vcard format standard in detail.
*/
$vcard = array(
 'vname' => 'username',
 'vtel' => '13700000000',
 'vemail' => 'playby@163.com',
 'vaddress ' => 'Chaoyang District, Beijing',
);

generateQRfromGoogle($vcard);
function generateQRfromGoogle($vcard,$widhtHeight ='150',$EC_level='L',$margin='0')
{
 if($vcard){
 $chl = "BEGIN:VCARDnVERSION:3.0". //vcard header information
 "nFN:'".$vcard['vname'].
 "nTEL:".$vcard[ 'vtel'].
 "nEMAIL:".$vcard['vemail'].
 "nADR:".$vcard['vaddress'].
 "nEND:VCARD"; //vcard tail information
 echo '< img src="http://chart.apis.google.com/chart?chs='.$widhtHeight.'x'.$widhtHeight.'&cht=qr&chld='.$EC_level.'|'.$margin.' &chl='.urlencode($chl).'" alt="QR code" widhtHeight="'.$size.'" widhtHeight="'.$size.'"/>';
 }
}
?> ;

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