Scan the same QR code to access different download addresses according to browser type, browser type_PHP tutorial

Scan the same QR code to access different download addresses according to the browser type, browser type

<span> 1</span> <?<span>php
</span><span> 2</span> 
<span> 3</span> <span>$Agent</span> = <span>$_SERVER</span>['HTTP_USER_AGENT'<span>];
</span><span> 4</span>     <span>preg_match</span>('/android|iphone/i',<span>$Agent</span>,<span>$matches</span><span>);
</span><span> 5</span>     <span>if</span> (<span>strtolower</span>(<span>$matches</span>[0]) == 'android'<span>)  {
</span><span> 6</span>         <span>//</span><span> echo "安卓";</span>
<span> 7</span>         <span>header</span>("Location: ".<span>$GLOBALS</span>["public_appconfig"]["app"]['android']."'"<span>);
</span><span> 8</span>     } <span>elseif</span> (<span>strtolower</span>(<span>$matches</span>[0]) == 'iphone'<span>) {
</span><span> 9</span>         <span>header</span>("'Location: ".<span>$GLOBALS</span>["public_appconfig"]["app"]['ios']."'"<span>);
</span><span>10</span>     }<span>else</span><span>{
</span><span>11</span>         <span>//</span><span>不确定是什么系统或者是pc</span>
<span>12</span>         <span>header</span>("Location: ".<span>$GLOBALS</span>["public_appconfig"]["app"]['android']."'"<span>);
</span><span>13</span> <span>    }
</span><span>14</span>    
<span>15</span>
<span>16</span> ?>

How can a string scanned by Java QR code be different from a URL? If it is a URL, how can I jump to the browser to access the URL?

Use regular expressions to determine whether it is a URL
and then use Intent to jump to the browser

Scan the QR code to download the installation file to the mobile phone. A QR code. How to tell whether the mobile phone is an IOS system or an ANDROID system?

You can put these two on the same website page, and then make the URL link into a QR code, so that people who need to download can choose to download, as shown below

http://www.bkjia.com/PHPjc/893872.htmlwww.bkjia.comtruehttp: //www.bkjia.com/PHPjc/893872.htmlTechArticleScan the same QR code to access different download addresses according to the browser type, browser type 1? php 2 3 $ Agent = $_SERVER ['HTTP_USER_AGENT' ]; 4 preg_match ('/android|iphone/i', $Agen...