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DOCS Update references to extending Object in extensions doc

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Robbie Averill 2018-09-12 16:39:59 +02:00 committed by GitHub
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docs/en/02_Developer_Guides/05_Extending/01_Extensions.md
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@ -3,15 +3,15 @@ summary: Extensions and DataExtensions let you modify and augment objects transp
# Extensions and DataExtensions
An [Extension](api:SilverStripe\Core\Extension) allows for adding additional functionality to an [Object](api:Object) or modifying existing functionality
without the hassle of creating a subclass. Developers can add Extensions to any [Object](api:Object) subclass within core, modules
or even their own code to make it more reusable.
An [Extension](api:SilverStripe\Core\Extension) allows for adding additional functionality to a class or modifying existing functionality
without the hassle of creating a subclass. Developers can add Extensions to any PHP class that has the [Extensible](api:SilverStripe\Core\Extensible)
trait applied within core, modules or even their own code to make it more reusable.
Extensions are defined as subclasses of either [DataExtension](api:SilverStripe\ORM\DataExtension) for extending a [DataObject](api:SilverStripe\ORM\DataObject) subclass or
the [Extension](api:SilverStripe\Core\Extension) class for non DataObject subclasses (such as [Controller](api:SilverStripe\Control\Controller))
<div class="info" markdown="1">
For performance reasons a few classes are excluded from receiving extensions, including `Object`, `ViewableData`
For performance reasons a few classes are excluded from receiving extensions, including `ViewableData`
and `RequestHandler`. You can still apply extensions to descendants of these classes.
</div>
@ -25,7 +25,7 @@ class MyMemberExtension extends DataExtension
{
private static $db = [
'DateOfBirth' => 'SS_Datetime'
'DateOfBirth' => 'DBDatetime'
];
public function SayHi()