"E: Package 'php-mcrypt' has no installation candidate" error on Ubuntu 20.4.1

Question

I am getting below error when try to install php modules on Ubuntu20.4.1

Linux Help · Answer

To fix above error follow the below steps
You’ll need to first install PHP, dev and pear extensions on Ubuntu 20.04 by using following command.sudo apt install php php-pear php-dev libmcrypt-devConfirm pecl command is available in your system.which peclYou can the install mcrypt extension using pecl command with install option.sudo pecl install mcryptYou should get an output like below for completed installation of mcrypt extension on Ubuntu 20.04 Linux machine.Build process completed successfully
Installing '/usr/lib/php/20190902/mcrypt.so'
install ok: channel://pecl.php.net/mcrypt-1.0.3
configuration option "php_ini" is not set to php.ini locationYou should add "extension=mcrypt.so" to php.iniEnable extension in php.ini file.
sudo vim /etc/php/7.4/cli/php.ini
extension=mcrypt.so
sudo vim /etc/php/7.4/apache2/php.ini
extension=mcrypt.so
You can confirm that the module was installed and enabled with the command:
php -m | grep mcrypt
mcrypt