ContentTextTransformStage.php
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ContentTextTransformStage.php
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	<?php

	namespace MediaWiki\OutputTransform;

	use MediaWiki\Parser\ParserOptions;
	use MediaWiki\Parser\ParserOutput;

	/**
	* OutputTransformStages that only modify the content. It is expected that all inheriting classes call this class'
	* transform() method (either directly by inheritance or by calling them in the overloaded method).
	* @internal
	*/
	abstract class ContentTextTransformStage extends OutputTransformStage {

	public function transform( ParserOutput $po, ?ParserOptions $popts, array &$options ): ParserOutput {
	$text = $po->getContentHolderText();
	$text = $this->transformText( $text, $po, $popts, $options );
	$po->setContentHolderText( $text );
	return $po;
	}

	abstract protected function transformText(
	string $text, ParserOutput $po, ?ParserOptions $popts, array &$options
	): string;
	}