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phplink is a cli tool to link against a specific PHP version.

The purpose of phplink is easily allowing switching from one PHP version to another one.

For instance, say we have locally installed PHP versions 7.4, 8.0 and 8.1 and our current PHP cli is linked/pointed to version 7.4 and we want to easily switch to version 8.1. By using phplink, one could simply do sudo phplink 8.1 and everything should work just fine.

Because who needs Docker anyway?

• GNU bash, version 5+

Below is the easiest way to install this tool:

wget https://raw.githubusercontent.com/chapeupreto/phplink/main/phplink
sudo mv -v phplink /usr/local/bin
chmod +x /usr/local/bin/phplink

After those steps, phplink is supposed to be available globally on your system. You can check if everything is OK with:

phplink --help

phplink can be used to link against a specific PHP version by just doing

sudo phplink <php-version>

As an example, assuming PHP 8.0 is already installed, one could do the following in order to link against it:

sudo phplink 8.0

After doing that, the output of php -v should display something regarding PHP version 8.0.

One can use the -l (--list) flag in order to see all available PHP versions:

phplink -l

There is also the -h (--help) flag that shows a little help about how to use this tool.

This tool was tested on Ubuntu 20.04.2 LTS where all PHP versions were installed through apt.