Problem You need to upgrade PHP from 5.5 to 5.6 or 7.0 Solution From the command line type # add-apt-repository
Category: Php
PHP Upgrade – Missing mysql extension
Problem You upgraded PHP and now have the following error: Your PHP installation appears to be missing the MySQL extension
Unix – Sendmail is slow to send mail
Problem SendMail / PHPMail() commands are taking more than 30seconds to complete. Solution Review the maillog file tail -f /var/log/maillog
PHP – password protect folder/page etc
Problem You need to password protect content in PHP simply using .htaccess Solution You will require two files, the .htaccess