Fatal error: Uncaught Error: Call to undefined function filter_var() in /home/public/blog/wp-content/plugins/wordfence/lib/wfUtils.php:1598 Stack trace: #0 /home/public/blog/wp-content/plugins/wordfence/lib/wfUtils.php(1348): wfUtils::isValidIP('216.73.216.81') #1 /home/public/blog/wp-content/plugins/wordfence/lib/wfUtils.php(1571): wfUtils::getCleanIPAndServerVar(Array, Array) #2 /home/public/blog/wp-content/plugins/wordfence/lib/wfUtils.php(1502): wfUtils::getIPAndServerVariable() #3 /home/public/blog/wp-content/plugins/wordfence/lib/wfLog.php(113): wfUtils::getIP() #4 /home/public/blog/wp-content/plugins/wordfence/lib/wordfenceClass.php(1186): wfLog->initLogRequest() #5 /home/public/blog/wp-content/plugins/wordfence/wordfence.php(145): wordfence::install_actions() #6 /home/public/blog/wp-settings.php(473): include_once('/home/public/bl...') #7 /home/public/blog/wp-config.php(91): require_once('/home/public/bl...') #8 /home/public/blog/wp-load.php(50): require_once('/home/public/bl...') #9 /home/public/blog/wp-blog-header.php(13): require_once('/home/public/bl...') #10 /home/public/blog/index.php(17): require('/home/public/bl...') #11 {main} thrown in /home/public/blog/wp-content/plugins/wordfence/lib/wfUtils.php on line 1598