108 lines
3.6 KiB
Markdown
108 lines
3.6 KiB
Markdown
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<p style="text-align: center"><img src="https://github.com/FakerPHP/Artwork/raw/main/src/socialcard.png" alt="Social card of FakerPHP"></p>
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# Faker
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[](https://packagist.org/packages/fakerphp/faker)
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[](https://github.com/FakerPHP/Faker/actions)
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[](https://shepherd.dev/github/FakerPHP/Faker)
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[](https://codecov.io/gh/FakerPHP/Faker)
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Faker is a PHP library that generates fake data for you. Whether you need to bootstrap your database, create good-looking XML documents, fill-in your persistence to stress test it, or anonymize data taken from a production service, Faker is for you.
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It's heavily inspired by Perl's [Data::Faker](https://metacpan.org/pod/Data::Faker), and by Ruby's [Faker](https://rubygems.org/gems/faker).
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## Getting Started
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### Installation
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Faker requires PHP >= 7.4.
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```shell
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composer require fakerphp/faker
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```
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### Documentation
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Full documentation can be found over on [fakerphp.github.io](https://fakerphp.github.io).
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### Basic Usage
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Use `Faker\Factory::create()` to create and initialize a Faker generator, which can generate data by accessing methods named after the type of data you want.
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```php
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<?php
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require_once 'vendor/autoload.php';
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// use the factory to create a Faker\Generator instance
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$faker = Faker\Factory::create();
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// generate data by calling methods
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echo $faker->name();
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// 'Vince Sporer'
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echo $faker->email();
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// 'walter.sophia@hotmail.com'
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echo $faker->text();
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// 'Numquam ut mollitia at consequuntur inventore dolorem.'
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```
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Each call to `$faker->name()` yields a different (random) result. This is because Faker uses `__call()` magic, and forwards `Faker\Generator->$method()` calls to `Faker\Generator->format($method, $attributes)`.
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```php
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<?php
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for ($i = 0; $i < 3; $i++) {
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echo $faker->name() . "\n";
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}
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// 'Cyrus Boyle'
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// 'Alena Cummerata'
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// 'Orlo Bergstrom'
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```
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## Automated refactoring
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If you already used this library with its properties, they are now deprecated and needs to be replaced by their equivalent methods.
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You can use the provided [Rector](https://github.com/rectorphp/rector) config file to automate the work.
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Run
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```bash
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composer require --dev rector/rector
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```
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to install `rector/rector`.
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Run
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```bash
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vendor/bin/rector process src/ --config vendor/fakerphp/faker/rector-migrate.php
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```
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to run `rector/rector`.
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*Note:* do not forget to replace `src/` with the path to your source directory.
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Another way is to use it in your `rector.php` file:
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```php
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$rectorConfig->import('vendor/fakerphp/faker/rector-migrate.php');
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$faker($rectorConfig);
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```
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## License
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Faker is released under the MIT License. See [`LICENSE`](LICENSE) for details.
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## Backward compatibility promise
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Faker is using [Semver](https://semver.org/). This means that versions are tagged
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with MAJOR.MINOR.PATCH. Only a new major version will be allowed to break backward
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compatibility (BC).
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Classes marked as `@experimental` or `@internal` are not included in our backward compatibility promise.
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You are also not guaranteed that the value returned from a method is always the
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same. You are guaranteed that the data type will not change.
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PHP 8 introduced [named arguments](https://wiki.php.net/rfc/named_params), which
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increased the cost and reduces flexibility for package maintainers. The names of the
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arguments for methods in Faker is not included in our BC promise.
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