Fatal error: Uncaught Error: Call to undefined function create_function() in /customers/b/c/3/de-muzikale-toverketel.nl/httpd.www/wp-content/plugins/revslider/inc_php/framework/functions_wordpress.class.php:240
Stack trace:
#0 /customers/b/c/3/de-muzikale-toverketel.nl/httpd.www/wp-content/plugins/revslider/revslider.php(76): UniteFunctionsWPRev::registerWidget('RevSlider_Widge...')
#1 /customers/b/c/3/de-muzikale-toverketel.nl/httpd.www/wp-settings.php(428): include_once('/customers/b/c/...')
#2 /customers/b/c/3/de-muzikale-toverketel.nl/httpd.www/wp-config.php(96): require_once('/customers/b/c/...')
#3 /customers/b/c/3/de-muzikale-toverketel.nl/httpd.www/wp-load.php(50): require_once('/customers/b/c/...')
#4 /customers/b/c/3/de-muzikale-toverketel.nl/httpd.www/wp-blog-header.php(13): require_once('/customers/b/c/...')
#5 /customers/b/c/3/de-muzikale-toverketel.nl/httpd.www/index.php(17): require('/customers/b/c/...')
#6 {main}
  thrown in /customers/b/c/3/de-muzikale-toverketel.nl/httpd.www/wp-content/plugins/revslider/inc_php/framework/functions_wordpress.class.php on line 240