Parse error: syntax error, unexpected '[' in /home/bitrix/www/bitrix/php_interface/init.php on line 23

Call Stack:
    0.0001     324624   1. {main}() /home/bitrix/ext_www/viziteurope.ru/austria/index.php:0
    0.0001     324872   2. require('/home/bitrix/www/bitrix/header.php') /home/bitrix/ext_www/viziteurope.ru/austria/index.php:2
    0.0002     325140   3. require_once('/home/bitrix/www/bitrix/modules/main/include/prolog.php') /home/bitrix/www/bitrix/header.php:1
    0.0011     376536   4. require_once('/home/bitrix/www/bitrix/modules/main/include/prolog_before.php') /home/bitrix/www/bitrix/modules/main/include/prolog.php:10
    0.0012     379824   5. require_once('/home/bitrix/www/bitrix/modules/main/include.php') /home/bitrix/www/bitrix/modules/main/include/prolog_before.php:14