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====== QR-Code ======

{{:english:phpwcms_replacer_rts:frontend_render:qr_code02.gif |QR-Code}}
QR Code (abbreviated from Quick Response Code) is a two-dimensional code that was first developed for the automotive industry by the Japanese company Denso Wave in 1994. \\
//(Quote: [[http://en.wikipedia.org/wiki/QR-code|Wikipedia]])//

\\
In place of the TAG (with or without a specified size) a QR code image will be rendered. 

~~CLEARFLOAT~~

\\
----

**rt_qr_code** V1.0  16.04.2012  

Docu: -- \\
Forum: [[http://forum.phpwcms.org/viewtopic.php?p=135232#p135232|Artikel URL als QR-Code?]]


**Author:**  Oliver Georgi (slackero) http://phpwcms.de \\
**CMS Version:** >= 1.5.1 \\ 
**Version:** V1.0 \\

TAG: **{QR_CODE[][xxx]}**, where **xxx**  indicates the length of the edge of the image, for example **{QR_CODE}** or **{QR_CODE 200}** or **{QR_CODE175}** \\

Fileiname: **rt_qr_code.php** 

Folder:  ** template/inc_script/frontend_render/ ** 

**Condition:**  -> [[http://www.phpwcms-docu.de/conf_inc_php_en.phtml|/config/phpwcms/conf.inc.php]] \\

  * ##$phpwcms['allow_ext_render'] = 1;## 


----
----

\\

===== Description: =====

Replacer settings: 

  * **E.g.** 
  *  - **{QR_CODE}** = Output of the QR Code of the current URL with the default edge length 150px  
  *  - **{QR_CODE 200}** = Output of the QR Code of the current URL with the edge length 200px
  *  - **{QR_CODE175}** = Output of the QR Code of the current URL with the edge length 175px

\\



===== Script: =====

Filename: rt_qr_code.php \\
Folder: template/inc_script/frontend_render/ 

<code php |h rt_qr_code.php |h >
<?php
// ----------------------------------------------------------------
// simple current url qr-code generator
// TAG {QR_CODE}, {QR_CODE 200}, {QR_CODE175}
// e.g. 200 or 175 are the dimensions of the image
//
// OG (Oliver Georgi): 16.02.2012
// ----------------------------------------------------------------

// ----------------------------------------------------------------
// obligate check for phpwcms constants
if (!defined('PHPWCMS_ROOT')) {die("You Cannot Access This Script Directly, Have a Nice Day.");}
// ----------------------------------------------------------------

if(preg_match('/\{QR_CODE(.*?)\}/', $content['all'], $qr_code)) {
   
   $qr_code['size'] = abs(intval(trim($qr_code[1])));
   
   if(empty($qr_code['size'])) {
      $qr_code['size'] = 150; // default size      
   }
   
   $qr_code['url'] = rawurlencode( abs_url(array(),array(),'','') );
   
   $content['all'] = str_replace(
      $qr_code[0],
      '<img src="http://chart.apis.google.com/chart?cht=qr&amp;chl='.$qr_code['url'].'&amp;chs='.$qr_code['size'].'x'.$qr_code['size'].'" alt="QR Direct Link" />',
      $content['all']
   );

}
?>
</code>

==== New since 2015 ====

<code php |h rt_qr_code.php |h >
    <?php
    // ----------------------------------------------------------------
    // simple current url qr-code generator
    // TAG {QR_CODE}, {QR_CODE 200}, {QR_CODE175}
    // e.g. 200 or 175 are the dimensions of the image
    //
    // OG (Oliver Georgi): 16.02.2012
    // ----------------------------------------------------------------

    // ----------------------------------------------------------------
    // obligate check for phpwcms constants
    if (!defined('PHPWCMS_ROOT')) {die("You Cannot Access This Script Directly, Have a Nice Day.");}
    // ----------------------------------------------------------------

    if(preg_match('/\{QR_CODE(.*?)\}/', $content['all'], $qr_code)) {

       $qr_code['size'] = abs(intval(trim($qr_code[1])));

       if(empty($qr_code['size'])) {
          $qr_code['size'] = 150; // default size
       }

       $qr_code['url'] = rawurlencode( abs_url(array(),array(),'','') );

       $content['all'] = str_replace(
          $qr_code[0],
          '<img src="https://chart.googleapis.com/chart?chs='.$qr_code['size'].'x'.$qr_code['size'].'&amp;cht=qr&amp;chl='.$qr_code['url'].'" />',
          $content['all']
       );

    }
    ?>
</code>
\\