public static function Utility::getHighlightedKeys in Search API Solr 4.x

Same name and namespace in other branches

1. 8.3 src/Utility/Utility.php \Drupal\search_api_solr\Utility\Utility::getHighlightedKeys()
2. 8.2 src/Utility/Utility.php \Drupal\search_api_solr\Utility\Utility::getHighlightedKeys()

Returns the highlighted keys from a snippet highlighted by Solr.

Parameters

string|array $snippets: The snippet(s) to format.

Return value

array The highlighted keys.

2 calls to Utility::getHighlightedKeys()

SearchApiSolrBackend::getHighlighting in src/Plugin/search_api/backend/SearchApiSolrBackend.php

Extract and format highlighting information for a specific item.

UtilitiesTest::testHighlightedKeys in tests/src/Kernel/UtilitiesTest.php

Tests extracting of highlighted keys.

File

src/Utility/Utility.php, line 218

Class

Utility

Provides various helper functions for Solr backends.

Namespace

Drupal\search_api_solr\Utility

Code

public static function getHighlightedKeys($snippets) {
  if (is_string($snippets)) {
    $snippets = [
      $snippets,
    ];
  }
  $keys = [
    [],
  ];
  foreach ($snippets as $snippet) {
    if (preg_match_all('@\\[HIGHLIGHT\\](.+?)\\[/HIGHLIGHT\\]@', $snippet, $matches)) {
      $keys[] = $matches[1];
    }
  }
  return array_unique(array_merge(...$keys));
}