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The sebastian/diff package is an implementation of the 'diff' feature in PHP. Born out of PHPUnit, it is a stand-alone component that allows you to compare two strings and generate a textual representation of their differences. This is particularly useful in software development, as it enables developers to identify variations in code, version differences and changes.
To use sebastian/diff, you should first install the package in your project using Composer. The installation is done by running the command
composer require sebastian/diff. If you want to use it only in the development phase, you can add it as a development-time dependency using the command
composer require --dev sebastian/diff.
Once installed, you will be able to start using it to generate differences between two strings. Here's a basic example of how you can generate a diff:
<?php use SebastianBergmann\Diff\Differ; $differ = new Differ; print $differ->diff('foo', 'bar');
This piece of code will output a unified diff of the two strings, 'foo' and 'bar'.
There's also a class called
Parser that helps to parse a unified diff into an object graph:
use SebastianBergmann\Diff\Parser; use SebastianBergmann\Git; $git = new Git('/usr/local/src/money'); $diff = $git->getDiff( '948a1a07768d8edd10dcefa8315c1cbeffb31833', 'c07a373d2399f3e686234c4f7f088d635eb9641b' ); $parser = new Parser; print_r($parser->parse($diff));