TranslatablePageInsertablesSuggester.php
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TranslatablePageInsertablesSuggester.php
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	<?php
	declare( strict_types = 1 );

	namespace MediaWiki\Extension\Translate\PageTranslation;

	use MediaWiki\Extension\Translate\TranslatorInterface\Insertable\Insertable;
	use MediaWiki\Extension\Translate\TranslatorInterface\Insertable\MediaWikiInsertablesSuggester;

	/**
	* Insertables for translation variables in translatable pages.
	* @author Niklas Laxström
	* @license GPL-2.0-or-later
	* @since 2013.11
	*/
	class TranslatablePageInsertablesSuggester extends MediaWikiInsertablesSuggester {
	/**
	* Translatable pages allow naming the variables. Almost anything is
	* allowed in a variable name, but here we are stricter to avoid too many
	* incorrect matches when variable name is followed by non-space characters.
	* @internal For use in this namespace only
	*/
	public const NAME_PATTERN = '\$[\pL\pN_$-]+';

	public function getInsertables( string $text ): array {
	$insertables = parent::getInsertables( $text );

	$matches = [];
	$pattern = '/' . self::NAME_PATTERN . '/u';
	preg_match_all( $pattern, $text, $matches, PREG_SET_ORDER );

	$new = array_map( static function ( $match ) {
	// Numerical ones are already handled by parent
	if ( ctype_digit( substr( $match[0], 1 ) ) ) {
	return null;
	}

	return new Insertable( $match[0], $match[0] );
	}, $matches );

	$new = array_filter( $new );
	return array_merge( $insertables, $new );
	}
	}