How to Set Default Values for Doctrine 2 Entities?

Setting Default Values in Doctrine 2

When working with Doctrine 2, you may encounter situations where you want to assign default values to your entities. This can be achieved through various methods.

Using the options Attribute

One approach is to use the options attribute in the @ORMColumn annotation. It allows you to specify an array of options, including the default option:

<code class="php">#[ORM\Column(options: ["default" => 0])]
private int $myColumn;</code>

Using the Annotation Syntax

Alternatively, you can use the annotation syntax with the @ORMColumn annotation:

<code class="php">/**
 * @var string
 *
 * @ORM\Column(name="myColumn", type="integer", options={"default": 0})
 */
private $myColumn;</code>

Limitations

It's important to note that this approach uses SQL DEFAULT, which may not be supported for certain field types, such as BLOB and TEXT. In such cases, consider alternative strategies, such as setting default values within your getter methods or implementing event listeners or lifecycle callbacks to modify the values after they have been retrieved from the database.

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