BaseSearchResultSet.php

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<?php
 
abstract class BaseSearchResultSet implements ISearchResultSet {
 
    private $bcIterator;
 
    public function next() {
        wfDeprecated( __METHOD__, '1.32' );
        $it = $this->bcIterator();
        $searchResult = $it->current();
        $it->next();
        return $searchResult ?? false;
    }
 
    public function rewind() {
        wfDeprecated( __METHOD__, '1.32' );
        $this->bcIterator()->rewind();
    }
 
    private function bcIterator() {
        if ( $this->bcIterator === null ) {
            $this->bcIterator = 'RECURSION';
            $this->bcIterator = $this->getIterator();
        } elseif ( $this->bcIterator === 'RECURSION' ) {
            // Either next/rewind or extractResults must be implemented.  This
            // class was potentially instantiated directly. It should be
            // abstract with abstract methods to enforce this but that's a
            // breaking change...
            wfDeprecated( static::class . ' without implementing extractResults', '1.32' );
            $this->bcIterator = new ArrayIterator( [] );
        }
        return $this->bcIterator;
    }
 
    public function termMatches() {
        return [];
    }
 
    public function free() {
    }
}