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Symfony2 – Franz Jordán 2011 The above example assumes that you've created and mapped a created property (not shown here). Now, right before the entity is first persisted, Doctrine will automatically call this method and thecreated field will be set to the current date. This can be repeated for any of the other lifecycle events, which include: preRemove postRemove prePersist postPersist preUpdate postUpdate postLoad loadClassMetadata For more information on what these lifecycle events mean and lifecycle callbacks in general, see Doctrine's Lifecycle Events documentation Lifecycle Callbacks and Event Listeners Notice that the setCreatedValue() method receives no arguments. This is always the case for lifecylce callbacks and is intentional: lifecycle callbacks should be simple methods that are concerned with internally transforming data in the entity (e.g. setting a created/updated field, generating a slug value). If you need to do some heavier lifting - like perform logging or send an email - you should register an external class as an event listener or subscriber and give it access to whatever resources you need. For more information, see Registering Event Listeners and Subscribers. Doctrine Extensions: Timestampable, Sluggable, etc. Doctrine is quite flexible, and a number of third-party extensions are available that allow you to easily perform repeated and common tasks on your entities. These include thing such as Sluggable,Timestampable, Loggable, Translatable, and Tree. For more information on how to find and use these extensions, see the cookbook article aboutusing common Doctrine extensions. Doctrine Field Types Reference Doctrine comes with a large number of field types available. Each of these maps a PHP data type to a specific column type in whatever database you're using. The following types are supported in Doctrine: Strings Numbers string (used for shorter strings) text (used for larger strings) integer 100
Symfony2 – Franz Jordán 2011 smallint bigint decimal float Dates and Times (use a DateTime object for these fields in PHP) date time datetime Other Types boolean object (serialized and stored in a CLOB field) array (serialized and stored in a CLOB field) For more information, see Doctrine's Mapping Types documentation. Field Options Each field can have a set of options applied to it. The available options include type (defaults tostring), name, length, unique and nullable. Take a few annotations examples: /** * A string field with length 255 that cannot be null * (reflecting the default values for the "type", "length" and *nullable* options) * * @ORM\Column() */ protected $name; /** * A string field of length 150 that persists to an "email_address" column * and has a unique index. * * @ORM\Column(name="email_address", unique="true", length="150") */ protected $email; There are a few more options not listed here. For more details, see Doctrine'sProperty Mapping documentation Console Commands The Doctrine2 ORM integration offers several console commands under the doctrine namespace. To view the command list you can run the console without any arguments: php app/console 101
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