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Last Modified: 05.04.2022

Attention! Provided settings are listed outside the scope of the Virtual Appliance menu. This means that the details below are provided for informational purposes only and should be used with clear understanding of your actions and under your own liability. Bitrix24 technical support reviews the questions related to Virtual Appliance menu items only.

The following errors can be encountered when updating old sites that have Windows-1251 encoding, created in VMBitrix version 7.4.3 or lower:

  • Bitrix24 product update system is not operating correctly – requires the available parameter mb_internal_encoding('Windows-1251'); в dbconn.php.

  • With enabled Update system notifications does not operate due to the warning: «PHP Warning: htmlspecialchars(): charset `latin' not supported, assuming utf-8».

  • System check issues an error: "String functions strtoupper and strtolower operate incorrectly".


When updating VMBitrix to version 7.5 and higher, these errors occurring in previously installed sites with Windows-1251 encoding are not fixed automatically. That is why, you need to fix them manually for each individual site.

  1. Add the following string to the file /bitrix/php_interface/dbconn.php:

    mb_internal_encoding('Windows-1251');
    
  2. Replace the following string in the Apache config file for your site /etc/httpd/bx/conf/bx_ext_[your_site].conf:

    php_admin_value default_charset latin
    
    with this string:
    php_admin_value default_charset cp1251
    

    and relaunch the Apache:

    systemctl restart httpd.service
    
  3. Check, if the locale en_EN.cp1251 is available in the system. When response is 0, it means that the localeen_EN.cp1251 is not available, when 1 – it is available:

    locale -a | grep en_EN.cp1251 -ic
    

    When locale en_EN.cp1251 is not available, execute the following command:

    localedef -c -i en_EN -f CP1251 en_EN.CP1251
    
  4. Then add two strings into your site's file /bitrix/php_interface/dbconn.php that has windows-1251 encoding:

    setlocale(LC_ALL, 'en_EN.CP1251' );
    setlocale(LC_NUMERIC, 'C' );
    

    and relaunch Apache:

    systemctl restart httpd.service
    
  5. All is ready. Perform these actions for each individual site with encoding windows-1251, created previously.


Note: VMBitrix 7.5 and higher, new sites, created with Windows-1251 encoding won't have any issues with single-byte character encodings.




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