SpamChecker.php
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SpamChecker.php
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	<?php

	namespace MediaWiki\EditPage;

	/**
	* Service to check if text (either content or a summary) qualifies as spam
	*
	* Text qualifies as spam if it matches the global $wgSpamRegex
	* Summaries qualify as spam if they match the global $wgSummarySpamRegex
	*
	* @author DannyS712
	* @since 1.35
	*/
	class SpamChecker {

	/** @var string[] */
	private $spamRegex;

	/** @var string[] */
	private $summaryRegex;

	/**
	* @param string[] $spamRegex
	* @param string[] $summaryRegex
	*/
	public function __construct( $spamRegex, $summaryRegex ) {
	$this->spamRegex = $spamRegex;
	$this->summaryRegex = $summaryRegex;
	}

	/**
	* Check whether content text is considered spam
	*
	* @param string $text
	* @return string\|false Matching string or false
	*/
	public function checkContent( string $text ) {
	return self::checkInternal( $text, $this->spamRegex );
	}

	/**
	* Check whether summary text is considered spam
	*
	* @param string $summary
	* @return string\|false Matching string or false
	*/
	public function checkSummary( string $summary ) {
	return self::checkInternal( $summary, $this->summaryRegex );
	}

	/**
	* @param string $text
	* @param array $regexes
	* @return string\|false
	*/
	private static function checkInternal( string $text, array $regexes ) {
	foreach ( $regexes as $regex ) {
	$matches = [];
	if ( preg_match( $regex, $text, $matches ) ) {
	return $matches[0];
	}
	}
	return false;
	}
	}