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Informations about the package composer-psysh
uma/composer-psysh
A no-frills PsySH-Composer plugin.
In a nutshell, it provides a composer shell subcommand that spawns a Psy Shell with autoload
integration when applicable.
Installation
This package is meant to be used as a global requirement for your Composer installation:
Alternatively it can be required on a per-project basis as a development dependency.
Note that in this case the shell subcommand will only be available in the project root.
Composer 2.2 and above
Starting from version 2.2.0 Composer requires plugins to be whitelisted in the composer.json file.
After updating to +2.2, the first time you run composer shell it will ask you once if you want to
add the plugin to the allow-plugins config section.
You'll need to answer Yes.
Usage
composer psy can be run anywhere and will spawn a generic REPL.
However, when it runs at the root of a project it will require the vendor/autoload.php script
so that the project's classes will be readily available in the shell.
The plugin also defines a couple other aliases: composer repl and composer psy.
Comparison between uma/composer-psysh and ramsey/composer-repl
This package was inspired by ramsey/composer-repl.
In fact, it only provides a subset of its features.
I decided to write my own version for a couple of reasons:
First, Ben Ramsey's plugin requires PHP 7.4 or later, which is too restrictive for me.
uma/composer-psysh allows a wide range of PHP versions: from 5.5 to 8.1.
This is pretty similar to the range of versions allowed by PsySH and Composer themselves.
Second, ramsey/composer-repl has additional functionality to integrate PHPUnit into PsySH.
Because of this it has a hard dependency on phpunit/phpunit.
I wasn't keen on being forced to pull PHPUnit alongside the plugin, especially since I don't need that feature.
Caveats
Only works on Unix environments (for now?)
