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Getting JavaScript errors or no response with Virtue Mart when clicking on Add, Apply or Cancel button?

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Getting JavaScript errors or no response with Virtue Mart when clicking on Add, Apply or Cancel button?

Question: Getting JavaScript errors or no response with VirtueMart when clicking on Add, Apply, Cancel or other buttons? Getting error in VirtueMart 1.1.4

The error is similar to the below and it has to do with the readfile php function.

Error: invalid regular expression flag v Source File: http://joomla/components/com_virtuemart/fetchscript.php?gzip=0&subdir[0]=/themes/default&file[0]=theme.js&subdir[1]=/js&file[1]=functions.js&subdir[2]=/js/admin_menu/js&file[2]=virtuemart_menu.js&subdir[3]=/js/admin_menu/js&file[3]=nifty.js&subdir[4]=/js/admin_menu/js&file[4]=fat.js&subdir[5]=/js/extjs2&file[5]=yui-utilities.js&subdir[6]=/js/extjs2&file[6]=ext-yui-adapter.js&subdir[7]=/js/extjs2&file[7]=ext-all.js

This happens most probably because the System Administrator has disabled the readmore function within the php.ini file on the server. It's the easiest to get it enabled, but most of the time it's impossible since it has been disabled for security reasons. But luckily there are some work arounds.

Answer:

In the file: /var/www/joomla/components/com_virtuemart/fetchscript.php replace line 226
```
readfile( $file );
```
with
```
$contents = file_get_contents( $file );echo $contents;
```

In the file: /var/www/joomla/components/com_virtuemart/show_image_in_imgtag.php replace lines 148 - 166

 
if( file_exists( $fileout ) ) {
  /* We already have a resized image
  * So send the file to the browser */
      switch(strtolower($ext))
        {
            case ".gif":
                header ("Content-type: image/gif");
                readfile($fileout);
                break;
            case ".jpg":
                header ("Content-type: image/jpeg");
                readfile($fileout);
                break;
            case ".png":
                header ("Content-type: image/png");
                readfile($fileout);
                break;
        }
}

with

 
if( file_exists( $fileout ) ) {
  /* We already have a resized image
  * So send the file to the browser */
      switch(strtolower($ext))
        {
            case ".gif":
                header ("Content-type: image/gif");
                $fileout = file_get_contents( $fileout );
                echo $fileout;
                break;
            case ".jpg":
                header ("Content-type: image/jpeg");
                $fileout = file_get_contents( $fileout );
                echo $fileout;
                break;
            case ".png":
                header ("Content-type: image/png");
                $fileout = file_get_contents( $fileout );
                echo $fileout;
                break;
        }
}

In the file: /var/www/joomla/administrator/components/com_virtuemart/classes/shipping/minixml/classes/doc.inc.php replace line 322
```
 
readfile($filename);
 
```
with
```
 
$contents = file_get_contents($filename);
echo $contents;
 
```