PHP Installation Guide – Ubuntu 24.04

sudo apt update
sudo apt install php php-cli php-fpm php-mysql php-curl php-gd php-mbstring php-xml php-zip php-bcmath php-intl php-imagick php-redis php-apcu -y

# For Apache:
sudo apt install libapache2-mod-php -y
sudo systemctl restart apache2

# For Nginx:
sudo systemctl enable --now php-fpm

Check version:

php -v

sudo apt update
sudo apt install software-properties-common ca-certificates curl -y
sudo add-apt-repository ppa:ondrej/php -y
sudo apt update

sudo apt install php8.4 php8.4-cli php8.4-fpm php8.4-mysql php8.4-curl php8.4-gd \
  php8.4-mbstring php8.4-xml php8.4-zip php8.4-bcmath php8.4-intl php8.4-imagick \
  php8.4-redis php8.4-apcu -y

# Apache:
sudo apt install libapache2-mod-php8.4 -y
sudo a2dismod php8.3    # disable if previously enabled
sudo a2enmod php8.4
sudo systemctl restart apache2

# Nginx:
sudo systemctl enable --now php8.4-fpm

Check version:

php8.4 -v

For Apache:

sudo a2dismod php8.3
sudo a2enmod php8.4
sudo systemctl restart apache2

For CLI:

sudo update-alternatives --set php /usr/bin/php8.4

Quick test file:

echo "<?php phpinfo();" | sudo tee /var/www/html/info.php

→ Open http://your-server/info.php (delete after!)

Use Case	Recommended	Install Method
New project / latest features	PHP 8.4	PPA method
Stability + official support	PHP 8.3	Default apt
Legacy / older app	PHP 8.2 or 8.1	Same PPA
WordPress, Laravel, Symfony	PHP 8.3 or 8.4	Either