Kirby $pages->search() that searches for full matches only

search.php

<?php

/**
 * Fork of the native $pages->search() method
 * Only searches for full matches
 */
function search($collection, $query, $params = array()) {

  if(is_string($params)) {
    $params = array('fields' => str::split($params, '|'));
  }

  $defaults = array(
    'minlength' => 2,
    'fields'    => array(),
    'words'     => false,
    'score'     => array()
  );

  $options = array_merge($defaults, $params);

  if(empty($query)) return $collection->limit(0);

  $results = $collection->filter(function($page) use($query, $options) {

    $data = $page->content()->toArray();
    $keys = array_keys($data);

    if(!empty($options['fields'])) {
      $keys = array_intersect($keys, $options['fields']);
    }

    $page->searchHits  = 0;
    $page->searchScore = 0;

    foreach($keys as $key) {

      $score = a::get($options['score'], $key, 1);
      
      // check for full matches
      if($matches = preg_match_all('!' . preg_quote($query) . '!i', $data[$key], $r)) {
        $page->searchHits  += $matches;
        $page->searchScore += $matches * $score;
      }

    }

    return $page->searchHits > 0 ? true : false;

  });

  $results = $results->sortBy('searchScore', SORT_DESC);

  return $results;

}