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127 lines
5.4 KiB
127 lines
5.4 KiB
4 years ago
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# sebastian/diff
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Diff implementation for PHP, factored out of PHPUnit into a stand-alone component.
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## Installation
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You can add this library as a local, per-project dependency to your project using [Composer](https://getcomposer.org/):
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composer require sebastian/diff
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If you only need this library during development, for instance to run your project's test suite, then you should add it as a development-time dependency:
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composer require --dev sebastian/diff
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### Usage
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The `Differ` class can be used to generate a textual representation of the difference between two strings:
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```php
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use SebastianBergmann\Diff\Differ;
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$differ = new Differ;
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print $differ->diff('foo', 'bar');
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```
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The code above yields the output below:
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--- Original
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+++ New
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@@ @@
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-foo
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+bar
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The `Parser` class can be used to parse a unified diff into an object graph:
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```php
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use SebastianBergmann\Diff\Parser;
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use SebastianBergmann\Git;
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$git = new Git('/usr/local/src/money');
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$diff = $git->getDiff(
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'948a1a07768d8edd10dcefa8315c1cbeffb31833',
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'c07a373d2399f3e686234c4f7f088d635eb9641b'
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);
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$parser = new Parser;
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print_r($parser->parse($diff));
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```
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The code above yields the output below:
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Array
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(
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[0] => SebastianBergmann\Diff\Diff Object
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(
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[from:SebastianBergmann\Diff\Diff:private] => a/tests/MoneyTest.php
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[to:SebastianBergmann\Diff\Diff:private] => b/tests/MoneyTest.php
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[chunks:SebastianBergmann\Diff\Diff:private] => Array
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(
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[0] => SebastianBergmann\Diff\Chunk Object
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(
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[start:SebastianBergmann\Diff\Chunk:private] => 87
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[startRange:SebastianBergmann\Diff\Chunk:private] => 7
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[end:SebastianBergmann\Diff\Chunk:private] => 87
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[endRange:SebastianBergmann\Diff\Chunk:private] => 7
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[lines:SebastianBergmann\Diff\Chunk:private] => Array
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(
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[0] => SebastianBergmann\Diff\Line Object
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(
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[type:SebastianBergmann\Diff\Line:private] => 3
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[content:SebastianBergmann\Diff\Line:private] => * @covers SebastianBergmann\Money\Money::add
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)
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[1] => SebastianBergmann\Diff\Line Object
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(
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[type:SebastianBergmann\Diff\Line:private] => 3
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[content:SebastianBergmann\Diff\Line:private] => * @covers SebastianBergmann\Money\Money::newMoney
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)
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[2] => SebastianBergmann\Diff\Line Object
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(
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[type:SebastianBergmann\Diff\Line:private] => 3
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[content:SebastianBergmann\Diff\Line:private] => */
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)
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[3] => SebastianBergmann\Diff\Line Object
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(
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[type:SebastianBergmann\Diff\Line:private] => 2
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[content:SebastianBergmann\Diff\Line:private] => public function testAnotherMoneyWithSameCurrencyObjectCanBeAdded()
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)
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[4] => SebastianBergmann\Diff\Line Object
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(
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[type:SebastianBergmann\Diff\Line:private] => 1
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[content:SebastianBergmann\Diff\Line:private] => public function testAnotherMoneyObjectWithSameCurrencyCanBeAdded()
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)
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[5] => SebastianBergmann\Diff\Line Object
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(
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[type:SebastianBergmann\Diff\Line:private] => 3
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[content:SebastianBergmann\Diff\Line:private] => {
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)
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[6] => SebastianBergmann\Diff\Line Object
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(
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[type:SebastianBergmann\Diff\Line:private] => 3
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[content:SebastianBergmann\Diff\Line:private] => $a = new Money(1, new Currency('EUR'));
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)
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[7] => SebastianBergmann\Diff\Line Object
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(
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[type:SebastianBergmann\Diff\Line:private] => 3
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[content:SebastianBergmann\Diff\Line:private] => $b = new Money(2, new Currency('EUR'));
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)
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)
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)
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)
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)
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)
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