Manual:DerivativeContext.php

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The DerivativeContext class is used to inherit the context from another source while still allowing the individual pieces of the context, such as a Title instance, to be changed locally. It extends ContextSource and implements the MutableContext interface.

Instantiation

Example:

$newContext = new DerivativeContext( $currentContext );
$newContext->setTitle( Title::newFromText( 'Asdf' ) );

Note

When designing a class API it is preferable to just use a ContextSource and not require a separate Title (or by extension WikiPage) as an argument. As the calling API would be better off making use of a DerivativeContext if it needs to pass a different context to your class API.

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