6  * A set of pages with associated scores
15     protected array $pages;  variable in dokuwiki\\Search\\Query\\PageSet
18      * @param array<string, int> $pages page ID => score
20     public function __construct(array $pages = [])  argument
22         $this->pages = $pages;
30         return $this->pages;
34      * Intersect with another PageSet, summing scores for pages present in both
36      * @return self pages present in both sets
42         foreach ($this->pages as $id => $score) {
51      * Unite with another PageSet, summing scores where pages overlap
53      * @return self pages present in either set
57         $result = $this->pages;
65      * Remove pages that exist in the other PageSet
67      * @return self pages in this set but not in $other
71         return new self(array_diff_key($this->pages, $other->getPages()));
75      * @return bool true if this set contains no pages
79         return $this->pages === [];