SearchResultTrait.php
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SearchResultTrait.php
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	<?php

	/**
	* Trait for SearchResult subclasses to share non-obvious behaviors or methods
	* that rarely specialized
	*/
	trait SearchResultTrait {
	/**
	* A function returning a set of extension data.
	* @var Closure\|null
	*/
	protected $extensionData;

	/**
	* Get the extension data as:
	* augmentor name => data
	* @return array[]
	*/
	public function getExtensionData() {
	if ( $this->extensionData ) {
	return call_user_func( $this->extensionData );
	} else {
	return [];
	}
	}

	/**
	* Set extension data for this result.
	* The data is:
	* augmentor name => data
	* @param Closure\|array $extensionData Takes no arguments, returns
	* either array of extension data or null.
	*/
	public function setExtensionData( $extensionData ) {
	if ( $extensionData instanceof Closure ) {
	$this->extensionData = $extensionData;
	} elseif ( is_array( $extensionData ) ) {
	wfDeprecated( __METHOD__ . ' with array argument', '1.32' );
	$this->extensionData = static function () use ( $extensionData ) {
	return $extensionData;
	};
	} else {
	$type = get_debug_type( $extensionData );
	throw new InvalidArgumentException(
	__METHOD__ . " must be called with Closure\|array, but received $type" );
	}
	}
	}