AddRedirectHeader.php
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AddRedirectHeader.php
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	<?php

	namespace MediaWiki\OutputTransform\Stages;

	use MediaWiki\OutputTransform\ContentTextTransformStage;
	use MediaWiki\Parser\ParserOptions;
	use MediaWiki\Parser\ParserOutput;

	/**
	* Adds RedirectHeader if it exists
	* @internal
	*/
	class AddRedirectHeader extends ContentTextTransformStage {

	public function shouldRun( ParserOutput $po, ?ParserOptions $popts, array $options = [] ): bool {
	return $po->getRedirectHeader() !== null;
	}

	protected function transformText( string $text, ParserOutput $po, ?ParserOptions $popts, array &$options ): string {
	return $po->getRedirectHeader() . $text;
	}
	}