diff options
Diffstat (limited to 'mod/search/start.php')
| -rw-r--r-- | mod/search/start.php | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/mod/search/start.php b/mod/search/start.php index 73a96dc0a..8a112a3a3 100644 --- a/mod/search/start.php +++ b/mod/search/start.php @@ -77,21 +77,26 @@ function search_page_handler($page) { /** * Return a string with highlighted matched queries and relevant context - * Determins context based upon occurance and distance of words with each other. + * Determines context based upon occurance and distance of words with each other. * * @param string $haystack * @param string $query * @param int $min_match_context = 30 * @param int $max_length = 300 + * @param bool $tag_match Search is for tags. Don't ignore words. * @return string */ -function search_get_highlighted_relevant_substrings($haystack, $query, $min_match_context = 30, $max_length = 300) { +function search_get_highlighted_relevant_substrings($haystack, $query, $min_match_context = 30, $max_length = 300, $tag_match = false) { $haystack = strip_tags($haystack); $haystack_length = elgg_strlen($haystack); $haystack_lc = elgg_strtolower($haystack); - $words = search_remove_ignored_words($query, 'array'); + if (!$tag_match) { + $words = search_remove_ignored_words($query, 'array'); + } else { + $words = array(); + } // if haystack < $max_length return the entire haystack w/formatting immediately if ($haystack_length <= $max_length) { @@ -107,6 +112,7 @@ function search_get_highlighted_relevant_substrings($haystack, $query, $min_matc $word = elgg_strtolower($word); $count = elgg_substr_count($haystack_lc, $word); $word_len = elgg_strlen($word); + $haystack_len = elgg_strlen($haystack_lc); // find the start positions for the words if ($count > 1) { @@ -117,6 +123,10 @@ function search_get_highlighted_relevant_substrings($haystack, $query, $min_matc $stop = $pos + $word_len + $min_match_context; $lengths[] = $stop - $start; $offset += $pos + $word_len; + + if ($offset >= $haystack_len) { + break; + } } } else { $pos = elgg_strpos($haystack_lc, $word); @@ -134,7 +144,7 @@ function search_get_highlighted_relevant_substrings($haystack, $query, $min_matc $total_length = array_sum($offsets); $add_length = 0; - if ($total_length < $max_length) { + if ($total_length < $max_length && $offsets) { $add_length = floor((($max_length - $total_length) / count($offsets)) / 2); $starts = array(); |