'How to install bcmath in Ubuntu for PHP 7.1

I'm using an Ubuntu 16 server for testing with php7.1. One of my app uses bcadd function. I know that I need to install bcmath module for that but I'm unable to find php7.1-bcmath. When I tried to install apt install php-bcmath, it simply installed php7.0-bcmath module.

I was unable to find php7.1-bcmath module anywhere to install on my server. Does anybody has an idea?

apt install php7.1-bcmath returned following,

E: Unable to locate package php7.1-bcmath

E: Couldn't find any package by glob 'php7.1-bcmath'

E: Couldn't find any package by regex 'php7.1-bcmath'
phpubuntu-16.04ubuntu-serverphp-7.1bcmath


Solution 1:[1]

Answering my own question. Managed to fix this issue with following repo update.

add-apt-repository ppa:ondrej/php
apt update
apt install php7.1-bcmath

Restart apache and all good to go.

Solution 2:[2]

install this : https://packages.ubuntu.com/fr/artful/amd64/php7.1-bcmath/download

add this : 

deb http://security.ubuntu.com/ubuntu artful-security main universe

to /etc/apt/sources.list

$ sudo apt update

$ sudo apt install php7.1-bcmath

Solution 3:[3]

Those who are looking for Ubuntu 20.04:

sudo apt install php-bcmath

It will automatically install the bcmath compatible with your version of PHP.

Solution 4:[4]

For Ubuntu 16.04: Add this ppa http://ppa.launchpad.net/jczaplicki/xenial-php74-temp/ubuntu Open synaptic, and then uninstall any bcmath module already installed. Then reinstall php7.4 and php7.4-xxx modules

Sources

This article follows the attribution requirements of Stack Overflow and is licensed under CC BY-SA 3.0.

Source: Stack Overflow

Solution Source
Solution 1 Vajira Lasantha
Solution 2
Solution 3
Solution 4 TomoMiha

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