Installing ev, event and libevent for PHP 7.4 on Ubuntu 20.04

php-event-extensions.sh

cd /usr/src/
git clone https://github.com/expressif/pecl-event-libevent.git
cd pecl-event-libevent
phpize
./configure
make && sudo make install

sudo apt update
sudo apt install php7.4-dev libevent-dev

# Install extensions
sudo pecl install ev
sudo pecl install event #  at the 'Include libevent OpenSSL support [yes] :' prompt type "no".
sudo pecl install libevent

# Create configurations
echo 'extension=ev.so' | sudo tee /etc/php/7.4/mods-available/ev.ini
echo 'extension=event.so' | sudo tee /etc/php/7.4/mods-available/event.ini
echo 'extension=libevent.so' | sudo tee /etc/php/7.4/mods-available/libevent.ini

# Create symlinks
sudo phpenmod -v 7.4 ev
sudo phpenmod -v 7.4 event
sudo phpenmod -v 7.4 libevent

# Check modules are loaded
php -m | grep ev