Unable to install php-intl extension on ubuntu 19.10 with php 7.3

Question

Tried many possible solutions on stackoverflow but unable to install php intl extension for php7.3 on ubuntu 19.10.

Getting below errors while tying to install php intl.

Ign:1 http://in.archive.ubuntu.com/ubuntu eoan-updates/universe amd64 php7.3-intl amd64 7.3.11-0ubuntu0.19.10.6
Ign:2 http://in.archive.ubuntu.com/ubuntu eoan/universe amd64 php-intl all 2:7.3+69ubuntu2
Err:2 http://in.archive.ubuntu.com/ubuntu eoan/universe amd64 php-intl all 2:7.3+69ubuntu2 404  Not Found
Err:1 http://security.ubuntu.com/ubuntu eoan-updates/universe amd64 php7.3-intl amd64 7.3.11-0ubuntu0.19.10.6 404  Not Found 
E: Failed to fetch http://security.ubuntu.com/ubuntu/pool/universe/p/php7.3/php7.3-intl_7.3.11-0ubuntu0.19.10.6_amd64.deb  404  Not Found
E: Failed to fetch http://in.archive.ubuntu.com/ubuntu/pool/universe/p/php-defaults/php-intl_7.3+69ubuntu2_all.deb  404  Not Found

https://launchpad.net/ubuntu/eoan/+package/php-intl. Package shows no data available for php-intl.

Answer 1

One possible way would be:

Add Repository

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

Install PHP 7.3

sudo apt install -y php7.4

Install Modules

apt install php7.3 php7.3-cli php7.3-cgi php7.3-fpm php7.3-gd php7.3-mysql php7.3-imap php7.4-curl php7.3-intl php7.3-pspell php7.3-sqlite3 php7.3-tidy php7.3-xmlrpc php7.3-xsl php7.3-zip php7.3-mbstring php7.3-soap php7.3-opcache libonig5 php7.3-common php7.3-json php7.3-readline php7.3-xml

If you need fpm apt install php7.3-fpm

Answer 2

sudo apt-get update
sudo apt-get install php-intl
sudo apt-get install php-xsl

you can specific install version as such 7.3

sudo apt-get install php7.3-intl
sudo apt-get install php7.3-xsl

if you using apache

sudo php5enmod xsl
sudo service apache2 restart

if you using php-fpm restart php-fpm ,or restart nginx

dont forget to restart PHP service or HTTP service