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How To Install php7.4-intl on Ubuntu 20.04: Unmet Dependencies Error Solution

Ubuntu 10

When working with Ubuntu 20.04 and trying to install php7.4-intl, you may encounter an unmet dependencies error. This issue can be a bit frustrating, but don’t worry, we have a solution for you. This article will guide you through the process of resolving this error and successfully installing php7.4-intl.

Quick Answer

To install php7.4-intl on Ubuntu 20.04 and resolve the unmet dependencies error, you need to remove the conflicting PPA repository, update your system, re-add the correct repository, and then install php7.4-intl using the apt-get install command.

Understanding the Error

The unmet dependencies error usually occurs when the package you’re trying to install depends on another package, which for some reason, is not installed or is not the correct version. In the case of php7.4-intl, it depends on php7.4-common version 7.4.3. However, if you have a different version installed (like 7.4.8 from the deb.sury PPA), you’ll encounter this error.

Solution: Remove Conflicting PPA and Use Default Ubuntu Repositories

Step 1: Remove the Conflicting Repository

First, we need to remove the conflicting repository. You can do this by running the following command in your terminal:

sudo add-apt-repository --remove ppa:ondrej/php

The add-apt-repository command is used to manage (add or remove) repositories via the command line. The --remove parameter indicates that we want to remove the specified repository.

Step 2: Update Your System

After removing the conflicting repository, it’s a good idea to update your system to make sure all packages are up-to-date. You can do this by running:

sudo apt-get update

The apt-get update command fetches the package lists from the repositories and updates them to get information on the newest versions of packages and their dependencies.

Step 3: Re-add the Correct Repository

Now, we need to re-add the correct repository for php7.4-intl. You can do this by running:

sudo add-apt-repository ppa:ondrej/php

This time, we’re using the add-apt-repository command without the --remove parameter, which means we want to add the specified repository.

Step 4: Install php7.4-intl

Now that we’ve resolved the conflicting repositories issue, we can install php7.4-intl by running:

sudo apt-get install php7.4-intl

The apt-get install command is used to install the specified package (php7.4-intl in this case).

Conclusion

In this article, we’ve looked at how to resolve the unmet dependencies error when trying to install php7.4-intl on Ubuntu 20.04. The key is to ensure that you’re using the correct repositories for your packages. If you’re still encountering issues, it may be worth checking the official Ubuntu documentation or the PHP documentation for further assistance.

What is `php7.4-intl`?

php7.4-intl is a PHP extension that provides internationalization support, allowing PHP scripts to handle Unicode strings, perform language-specific operations, and work with various character sets.

Why am I getting an unmet dependencies error when trying to install `php7.4-intl`?

The unmet dependencies error occurs when the package you’re trying to install depends on another package that is either not installed or is not the correct version. In the case of php7.4-intl, it requires php7.4-common version 7.4.3, and if you have a different version installed, you’ll encounter this error.

How do I remove a conflicting repository in Ubuntu?

To remove a conflicting repository in Ubuntu, you can use the add-apt-repository --remove command followed by the repository’s name. For example, to remove the conflicting ondrej/php repository, you can run sudo add-apt-repository --remove ppa:ondrej/php.

How do I update my system in Ubuntu?

To update your system in Ubuntu, you can use the apt-get update command. This command fetches the package lists from the repositories and updates them to get information on the newest versions of packages and their dependencies.

How do I add a repository in Ubuntu?

To add a repository in Ubuntu, you can use the add-apt-repository command followed by the repository’s name. For example, to add the ondrej/php repository, you can run sudo add-apt-repository ppa:ondrej/php.

How do I install `php7.4-intl` after resolving the conflicting repositories issue?

After resolving the conflicting repositories issue, you can install php7.4-intl by running sudo apt-get install php7.4-intl. This command will install the php7.4-intl package using the default Ubuntu repositories.

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