install php mbstring extension debian jessie

Sudo apt purge php7.3 libapache2-mod-php7.

In the case of former installations, you will want to purge the old version of php (assuming php 7.3): NOTE: We are happy with the shipped Apache here, but be sure to install php7.4-fpm if you are aiming for NGINX after stopping apache sudo systemctl disable -now apache2 Old installations

Tip: you can install multiple extensions with the following format: sudo apt-get install -y php7.4. Please note that all of the following steps are run using the root account. I don't know which extensions you might need, but the format is very intuitive and with the example of mbstring looks like this: sudo apt-get install php7.4-mbstring The following is tested on production servers running Debian 8 Jessie, Debian 9 Stretch and Debian 10 Buster but for this guide I installed a fresh version of Debian 10 Buster on a virtual server using Microsoft’s Hyper-V to ensure it works on a fresh system. You might want to test the success with php -v, which will give you an output about the version. The above commands should enable most of the required PHP modules for WordPress. This module is pretty important as WordPress uses it to properly handle UTF8 text. Then, we want to add Ondrej Sury's repository: sudo apt -y install software-properties-common To install mbstring on PHP 8, you can use the following command. Namely, make sure we are up to date: sudo apt-get update. Update: On Debian 9 i must reinstall a lot of packages: apt-get install php-zip php-zeroc-ice php-xml php-tcpdf php-ssh2 php-soap php-snmp php-redis php-php-gettext php-mysql php-pear php-net-smtp php-net-socket php-net-imap php-net-nntp php-mcrypt php-mbstring php-imap php-intl php-json php-imagick php-gnupg php-gd php-geoip php-fpm php-dev php-mail php-mail-mime php-curl php-cli php-cgi php. Regardless of whether you want to upgrade or install, let's first adhere to the general recommendation you will find anywhere.

There are countless articles about the changes php7.4 brings.

Install php mbstring extension debian jessie