It, or anonymize data taken from a production service, Faker is for you whether you need to bootstrap your database, create good-looking XML documents, fill-in your persistence to stress test.

Faker is heavily encouraged by Perl’s information::Faker, and also by ruby’s Faker.

Faker calls for PHP >= 5.3.3.

Dining dining Table of articles

• Installation
• Fundamental Use
• Formatters
  • Base
  • Lorem Ipsum Text
  • Individual
  • Target
  • Telephone Number
  • Business
  • Genuine Text
  • Date and Time
  • Internet
  • Consumer Agent
  • Re Re Re Re Payment
  • Color
  • File
  • Image
  • Uuid
  • Barcode
  • Miscellaneous
  • Biased
  • Html Lorem
• Modifiers
• Localization
• Populating Entities Using an ORM or an ODM
• Seeding the Generator
• Faker Internals: Understanding Providers
• Real World Use
• Language formatters that are specific
• Third-Party Libraries Extending/Based On Faker
• Permit

Faker supports both PSR-0 as PSR-4 autoloaders.

You may also load Fakers shipped PSR-0 autoloader

instead, you should use any another PSR-4 compliant autoloader

Generate data that are fake

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Utilize FakerFactory::create() to produce and initialize a faker generator, which could produce information by accessing properties called following the variety of information you need.

Just because this instance shows home access, each call to $faker->name yields a different (random) result. The reason being Faker utilizes __get() secret, and forwards property that is fakerGenerator to FakerGenerator->format($home) .

Suggestion: For a generation that is quick of information, it is possible to utilize Faker as a demand line device by way of faker-cli.

Each one of the generator properties (like title , target , and lorem ) are known as “formatters”. A faker generator has its own of those, packed in “providers”. Here’s a listing of the bundled formatters when you look at the standard locale.

Practices accepting a $timezone argument default to date_default_timezone_get() . It is possible to pass a customized timezone sequence to every technique, or determine a customized timezone for several time techniques simultaneously utilizing.

Faker provides three unique providers, unique() , optional() , and valid() , become called before any provider.

If you wish to utilize a modifier with a value maybe maybe maybe not produced by Faker, utilize the passthrough() technique. passthrough() merely comes back whatever value it absolutely was offered.

FakerFactory may take a locale as a disagreement, to go back localized information. If no localized provider is discovered, the factory fallbacks to your standard locale (en_US).

You should check available Faker locales when you look at the supply rule, underneath the company directory. The localization of Faker is definitely a process that is ongoing which is why we truly need your assistance. Do not wait to produce localized providers to your very own locale and submit a PR!

Populating Entities Using an ORM or an ODM

Faker provides adapters for Object-Relational and mappers that are object-Documentpresently, Propel, Doctrine2, CakePHP, Spot2, Mandango and Eloquent are supported). These adapters relieve the people of databases through the Entity classes provided by an ORM collection ( or even the populace of document shops utilizing Document classes given by an ODM collection).

To populate entities, create a brand new populator course (using a generator example as parameter), then list the course and number of all of the entities that really must be created. To introduce the real information population, call the execute() technique.

Observe that a number of the populators could need extra parameters. As instance the doctrine populator has a choice to specify its batchSize on what frequently it shall flush the UnitOfWork towards the database.

Let me reveal a good example showing how exactly to populate 5 Author and 10 Book things:

The populator makes use of title and line kind guessers to populate each line with appropriate information. For example, Faker populates a column called first_name with the name that is first, and a line with a TIMESTAMP kind utilizing the dateTime formatter. The resulting entities are consequently coherent. If Faker misinterprets a line name, you’ll nevertheless specify a customized closing to be utilized for populating a column that is particular making use of the 3rd argument to addEntity() :

In this instance, Faker will imagine a formatter for several columns except ISBN , which is why the offered anonymous function will be properly used.

Suggestion: To disregard some columns, specify null for the line names into the argument that is third of) . It’s usually essential for columns added by a behavior:

Needless to say, Faker will not populate autoincremented main secrets. In addition, FakerORMPropelPopulator::execute() comes back the menu of inserted PKs, indexed by course:

Note: Due to your proven fact that Faker returns all of the main tips placed, the memory usage is certainly going up drastically once you do batch inserts due towards the big selection of information.

In the earlier instance, the Book and Author models share a relationship. Since Author entities are populated first, Faker is sensible adequate to connect the populated Book entities to 1 associated with the populated Author entities.

Finally, if you would like perform a function that is arbitrary an entity before insertion, make use of the 4th argument regarding the addEntity() method:

Seeding the Generator

You might get constantly equivalent generated information – as an example whenever making use of Faker for unit evaluating purposes. The generator provides a seed() technique, which seeds the number generator that is random. Calling the script that is same with the exact same seed creates the exact same outcomes.

Suggestion: DateTime formatters will not replicate exactly the same fake information if you don’t fix the $max value:

Suggestion: Formatters won’t replicate equivalent fake information if you are using the rand() php function. Utilize $ mt_rand( or faker) alternatively:

Faker Internals: Understanding Providers

A FakerGenerator alone can’t do much generation. It requires FakerProvider things to delegate the info generation for them. FakerFactory::create() really creates a FakerGenerator bundled with all the standard providers. Here’s what occurs underneath the hood:

When you attempt to access a house in the $faker item, the generator actively seeks a way because of the name that is same most of the providers attached with it. By way of example, calling $faker->name causes a call to FakerProviderPerson::name() . And since Faker begins with all the provider that is last it is possible to bypass current formatters: simply put in a provider containing practices known as after the formatters you wish to bypass.

This means as you are able to effortlessly include your providers that are own a FakerGenerator instance. A provider is normally a classfakerproviderbase that is extending . This moms and dad course enables you to make use of techniques love lexify() or randomNumber() ; it offers you use of formatters of other providers, through the protected $generator home. The brand new formatters are the general public types of the provider course.

Let me reveal an illustration provider for populating Book information:

To join up this provider, simply include a brand new instance of FakerProviderBook to a current generator:

You will utilize the two brand new formatters like every other Faker formatter:

Suggestion: A provider can certainly be a Plain Old PHP Object. If so, most of the general public ways of the provider become accessible to the generator.

Real World Use

The script that is following a legitimate XML document:

Running this script creates a document searching like: