Pipe Operator in PHP
Introduction
This package is based on the pipe operator RFC by Sara Golemon and Marcelo Camargo (2016), who explains the problem as:
A common PHP OOP pattern is the use of method chaining, or what is also known as “Fluent Expressions”. […] This works well enough for OOP classes which were designed for fluent calling, however it is impossible, or at least unnecessarily arduous, to adapt non-fluent classes to this usage style, harder still for functional interfaces.
Short example
Say you want to get the subdomain from a URL, you may get quite verbose and repetitive code like this:
$result = 'https://blog.github.com';
$result = parse_url($result);
$result = end($result);
$result = explode('.', $result);
$result = reset($result);
// blog
More examples
See the RFC by Golemon and Marcelo Camargo for more complex and real-world examples.
Installation
You can install the package via Composer:
composer require boostphp/pipe-operator
Usage
You could use the package like this:
use Boost\PipeOperator\PipeOperator;
$result = PipeOperator::from('https://blog.github.com')
->parse_url()
->end()
->explode('.', PIPED_VALUE)
->reset()
->get();
// blog
Using closures
You could also use closures for more flexibility:
use Boost\PipeOperator\PipeOperator;
$result = PipeOperator::from('https://blog.github.com')
->pipe(fn ($value) => md5($value))
->pipe(fn ($value) => sprintf('prefixed-%s', $value))
->get();
// prefixed-740b375fe175853f9d4c5635194daf84
License
The MIT License (MIT). Please see License File for more information.
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