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[ticket/11011] global variables as constructor parameters

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Pass global variables into the search backend class constructor.

PHPBB3-11011
This commit is contained in:
Dhruv 2012-07-21 18:32:52 +05:30
parent db1c80dee9
commit 9c7a1a1472
1 changed files with 58 additions and 77 deletions
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135
phpBB/includes/search/fulltext_mysql.php
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@ -24,6 +24,9 @@ class phpbb_search_fulltext_mysql extends phpbb_search_base
{ {
private $stats = array(); private $stats = array();
private $split_words = array(); private $split_words = array();
private $config;
private $db;
private $user;
public $word_length = array(); public $word_length = array();
public $search_query; public $search_query;
public $common_words = array(); public $common_words = array();
@ -34,11 +37,13 @@ class phpbb_search_fulltext_mysql extends phpbb_search_base
* *
* @param string|bool $error Any error that occurs is passed on through this reference variable otherwise false * @param string|bool $error Any error that occurs is passed on through this reference variable otherwise false
*/ */
public function __construct(&$error) public function __construct(&$error, $phpbb_root_path, $phpEx, $config, $db, $user)
{ {
global $config; $this->config = $config;
$this->db = $db;
$this->user = $user;
$this->word_length = array('min' => $config['fulltext_mysql_min_word_len'], 'max' => $config['fulltext_mysql_max_word_len']); $this->word_length = array('min' => $this->config['fulltext_mysql_min_word_len'], 'max' => $this->config['fulltext_mysql_max_word_len']);
$error = false; $error = false;
} }
@ -64,16 +69,14 @@ class phpbb_search_fulltext_mysql extends phpbb_search_base
*/ */
function init() function init()
{ {
global $db, $user; if ($this->db->sql_layer != 'mysql4' && $this->db->sql_layer != 'mysqli')
if ($db->sql_layer != 'mysql4' && $db->sql_layer != 'mysqli')
{ {
return $user->lang['FULLTEXT_MYSQL_INCOMPATIBLE_DATABASE']; return $this->user->lang['FULLTEXT_MYSQL_INCOMPATIBLE_DATABASE'];
} }
$result = $db->sql_query('SHOW TABLE STATUS LIKE \'' . POSTS_TABLE . '\''); $result = $this->db->sql_query('SHOW TABLE STATUS LIKE \'' . POSTS_TABLE . '\'');
$info = $db->sql_fetchrow($result); $info = $this->db->sql_fetchrow($result);
$db->sql_freeresult($result); $this->db->sql_freeresult($result);
$engine = ''; $engine = '';
if (isset($info['Engine'])) if (isset($info['Engine']))
@ -87,19 +90,19 @@ class phpbb_search_fulltext_mysql extends phpbb_search_base
if ($engine != 'MyISAM') if ($engine != 'MyISAM')
{ {
return $user->lang['FULLTEXT_MYSQL_NOT_MYISAM']; return $this->user->lang['FULLTEXT_MYSQL_NOT_MYISAM'];
} }
$sql = 'SHOW VARIABLES $sql = 'SHOW VARIABLES
LIKE \'ft\_%\''; LIKE \'ft\_%\'';
$result = $db->sql_query($sql); $result = $this->db->sql_query($sql);
$mysql_info = array(); $mysql_info = array();
while ($row = $db->sql_fetchrow($result)) while ($row = $this->db->sql_fetchrow($result))
{ {
$mysql_info[$row['Variable_name']] = $row['Value']; $mysql_info[$row['Variable_name']] = $row['Value'];
} }
$db->sql_freeresult($result); $this->db->sql_freeresult($result);
set_config('fulltext_mysql_max_word_len', $mysql_info['ft_max_word_len']); set_config('fulltext_mysql_max_word_len', $mysql_info['ft_max_word_len']);
set_config('fulltext_mysql_min_word_len', $mysql_info['ft_min_word_len']); set_config('fulltext_mysql_min_word_len', $mysql_info['ft_min_word_len']);
@ -119,8 +122,6 @@ class phpbb_search_fulltext_mysql extends phpbb_search_base
*/ */
function split_keywords(&$keywords, $terms) function split_keywords(&$keywords, $terms)
{ {
global $config, $user;
if ($terms == 'all') if ($terms == 'all')
{ {
$match = array('#\sand\s#iu', '#\sor\s#iu', '#\snot\s#iu', '#(^|\s)\+#', '#(^|\s)-#', '#(^|\s)\|#'); $match = array('#\sand\s#iu', '#\sor\s#iu', '#\snot\s#iu', '#(^|\s)\+#', '#(^|\s)-#', '#(^|\s)\|#');
@ -139,9 +140,9 @@ class phpbb_search_fulltext_mysql extends phpbb_search_base
$this->split_words = $matches[1]; $this->split_words = $matches[1];
// We limit the number of allowed keywords to minimize load on the database // We limit the number of allowed keywords to minimize load on the database
if ($config['max_num_search_keywords'] && sizeof($this->split_words) > $config['max_num_search_keywords']) if ($this->config['max_num_search_keywords'] && sizeof($this->split_words) > $this->config['max_num_search_keywords'])
{ {
trigger_error($user->lang('MAX_NUM_SEARCH_KEYWORDS_REFINE', $config['max_num_search_keywords'], sizeof($this->split_words))); trigger_error($this->user->lang('MAX_NUM_SEARCH_KEYWORDS_REFINE', $this->config['max_num_search_keywords'], sizeof($this->split_words)));
} }
// to allow phrase search, we need to concatenate quoted words // to allow phrase search, we need to concatenate quoted words
@ -183,7 +184,7 @@ class phpbb_search_fulltext_mysql extends phpbb_search_base
// check word length // check word length
$clean_len = utf8_strlen(str_replace('*', '', $clean_word)); $clean_len = utf8_strlen(str_replace('*', '', $clean_word));
if (($clean_len < $config['fulltext_mysql_min_word_len']) || ($clean_len > $config['fulltext_mysql_max_word_len'])) if (($clean_len < $this->config['fulltext_mysql_min_word_len']) || ($clean_len > $this->config['fulltext_mysql_max_word_len']))
{ {
$this->common_words[] = $word; $this->common_words[] = $word;
unset($this->split_words[$i]); unset($this->split_words[$i]);
@ -241,8 +242,6 @@ class phpbb_search_fulltext_mysql extends phpbb_search_base
*/ */
function split_message($text) function split_message($text)
{ {
global $config;
// Split words // Split words
$text = preg_replace('#([^\p{L}\p{N}\'*])#u', '$1$1', str_replace('\'\'', '\' \'', trim($text))); $text = preg_replace('#([^\p{L}\p{N}\'*])#u', '$1$1', str_replace('\'\'', '\' \'', trim($text)));
$matches = array(); $matches = array();
@ -254,7 +253,7 @@ class phpbb_search_fulltext_mysql extends phpbb_search_base
for ($i = 0, $n = sizeof($text); $i < $n; $i++) for ($i = 0, $n = sizeof($text); $i < $n; $i++)
{ {
$text[$i] = trim($text[$i]); $text[$i] = trim($text[$i]);
if (utf8_strlen($text[$i]) < $config['fulltext_mysql_min_word_len'] || utf8_strlen($text[$i]) > $config['fulltext_mysql_max_word_len']) if (utf8_strlen($text[$i]) < $this->config['fulltext_mysql_min_word_len'] || utf8_strlen($text[$i]) > $this->config['fulltext_mysql_max_word_len'])
{ {
unset($text[$i]); unset($text[$i]);
} }
@ -287,8 +286,6 @@ class phpbb_search_fulltext_mysql extends phpbb_search_base
*/ */
function keyword_search($type, $fields, $terms, $sort_by_sql, $sort_key, $sort_dir, $sort_days, $ex_fid_ary, $m_approve_fid_ary, $topic_id, $author_ary, $author_name, &$id_ary, $start, $per_page) function keyword_search($type, $fields, $terms, $sort_by_sql, $sort_key, $sort_dir, $sort_days, $ex_fid_ary, $m_approve_fid_ary, $topic_id, $author_ary, $author_name, &$id_ary, $start, $per_page)
{ {
global $config, $db;
// No keywords? No posts. // No keywords? No posts.
if (!$this->search_query) if (!$this->search_query)
{ {
@ -377,7 +374,7 @@ class phpbb_search_fulltext_mysql extends phpbb_search_base
} }
else else
{ {
$m_approve_fid_sql = ' AND (p.post_approved = 1 OR ' . $db->sql_in_set('p.forum_id', $m_approve_fid_ary, true) . ')'; $m_approve_fid_sql = ' AND (p.post_approved = 1 OR ' . $this->db->sql_in_set('p.forum_id', $m_approve_fid_ary, true) . ')';
} }
$sql_select = (!$result_count) ? 'SQL_CALC_FOUND_ROWS ' : ''; $sql_select = (!$result_count) ? 'SQL_CALC_FOUND_ROWS ' : '';
@ -387,11 +384,11 @@ class phpbb_search_fulltext_mysql extends phpbb_search_base
if (sizeof($author_ary) && $author_name) if (sizeof($author_ary) && $author_name)
{ {
// first one matches post of registered users, second one guests and deleted users // first one matches post of registered users, second one guests and deleted users
$sql_author = ' AND (' . $db->sql_in_set('p.poster_id', array_diff($author_ary, array(ANONYMOUS)), false, true) . ' OR p.post_username ' . $author_name . ')'; $sql_author = ' AND (' . $this->db->sql_in_set('p.poster_id', array_diff($author_ary, array(ANONYMOUS)), false, true) . ' OR p.post_username ' . $author_name . ')';
} }
else if (sizeof($author_ary)) else if (sizeof($author_ary))
{ {
$sql_author = ' AND ' . $db->sql_in_set('p.poster_id', $author_ary); $sql_author = ' AND ' . $this->db->sql_in_set('p.poster_id', $author_ary);
} }
else else
{ {
@ -401,7 +398,7 @@ class phpbb_search_fulltext_mysql extends phpbb_search_base
$sql_where_options = $sql_sort_join; $sql_where_options = $sql_sort_join;
$sql_where_options .= ($topic_id) ? ' AND p.topic_id = ' . $topic_id : ''; $sql_where_options .= ($topic_id) ? ' AND p.topic_id = ' . $topic_id : '';
$sql_where_options .= ($join_topic) ? ' AND t.topic_id = p.topic_id' : ''; $sql_where_options .= ($join_topic) ? ' AND t.topic_id = p.topic_id' : '';
$sql_where_options .= (sizeof($ex_fid_ary)) ? ' AND ' . $db->sql_in_set('p.forum_id', $ex_fid_ary, true) : ''; $sql_where_options .= (sizeof($ex_fid_ary)) ? ' AND ' . $this->db->sql_in_set('p.forum_id', $ex_fid_ary, true) : '';
$sql_where_options .= $m_approve_fid_sql; $sql_where_options .= $m_approve_fid_sql;
$sql_where_options .= $sql_author; $sql_where_options .= $sql_author;
$sql_where_options .= ($sort_days) ? ' AND p.post_time >= ' . (time() - ($sort_days * 86400)) : ''; $sql_where_options .= ($sort_days) ? ' AND p.post_time >= ' . (time() - ($sort_days * 86400)) : '';
@ -409,16 +406,16 @@ class phpbb_search_fulltext_mysql extends phpbb_search_base
$sql = "SELECT $sql_select $sql = "SELECT $sql_select
FROM $sql_from$sql_sort_table" . POSTS_TABLE . " p FROM $sql_from$sql_sort_table" . POSTS_TABLE . " p
WHERE MATCH ($sql_match) AGAINST ('" . $db->sql_escape(htmlspecialchars_decode($this->search_query)) . "' IN BOOLEAN MODE) WHERE MATCH ($sql_match) AGAINST ('" . $this->db->sql_escape(htmlspecialchars_decode($this->search_query)) . "' IN BOOLEAN MODE)
$sql_where_options $sql_where_options
ORDER BY $sql_sort"; ORDER BY $sql_sort";
$result = $db->sql_query_limit($sql, $config['search_block_size'], $start); $result = $this->db->sql_query_limit($sql, $this->config['search_block_size'], $start);
while ($row = $db->sql_fetchrow($result)) while ($row = $this->db->sql_fetchrow($result))
{ {
$id_ary[] = (int) $row[$field]; $id_ary[] = (int) $row[$field];
} }
$db->sql_freeresult($result); $this->db->sql_freeresult($result);
$id_ary = array_unique($id_ary); $id_ary = array_unique($id_ary);
@ -431,9 +428,9 @@ class phpbb_search_fulltext_mysql extends phpbb_search_base
if (!$result_count) if (!$result_count)
{ {
$sql = 'SELECT FOUND_ROWS() as result_count'; $sql = 'SELECT FOUND_ROWS() as result_count';
$result = $db->sql_query($sql); $result = $this->db->sql_query($sql);
$result_count = (int) $db->sql_fetchfield('result_count'); $result_count = (int) $this->db->sql_fetchfield('result_count');
$db->sql_freeresult($result); $this->db->sql_freeresult($result);
if (!$result_count) if (!$result_count)
{ {
@ -471,8 +468,6 @@ class phpbb_search_fulltext_mysql extends phpbb_search_base
*/ */
function author_search($type, $firstpost_only, $sort_by_sql, $sort_key, $sort_dir, $sort_days, $ex_fid_ary, $m_approve_fid_ary, $topic_id, $author_ary, $author_name, &$id_ary, $start, $per_page) function author_search($type, $firstpost_only, $sort_by_sql, $sort_key, $sort_dir, $sort_days, $ex_fid_ary, $m_approve_fid_ary, $topic_id, $author_ary, $author_name, &$id_ary, $start, $per_page)
{ {
global $config, $db;
// No author? No posts. // No author? No posts.
if (!sizeof($author_ary)) if (!sizeof($author_ary))
{ {
@ -508,13 +503,13 @@ class phpbb_search_fulltext_mysql extends phpbb_search_base
if ($author_name) if ($author_name)
{ {
// first one matches post of registered users, second one guests and deleted users // first one matches post of registered users, second one guests and deleted users
$sql_author = '(' . $db->sql_in_set('p.poster_id', array_diff($author_ary, array(ANONYMOUS)), false, true) . ' OR p.post_username ' . $author_name . ')'; $sql_author = '(' . $this->db->sql_in_set('p.poster_id', array_diff($author_ary, array(ANONYMOUS)), false, true) . ' OR p.post_username ' . $author_name . ')';
} }
else else
{ {
$sql_author = $db->sql_in_set('p.poster_id', $author_ary); $sql_author = $this->db->sql_in_set('p.poster_id', $author_ary);
} }
$sql_fora = (sizeof($ex_fid_ary)) ? ' AND ' . $db->sql_in_set('p.forum_id', $ex_fid_ary, true) : ''; $sql_fora = (sizeof($ex_fid_ary)) ? ' AND ' . $this->db->sql_in_set('p.forum_id', $ex_fid_ary, true) : '';
$sql_topic_id = ($topic_id) ? ' AND p.topic_id = ' . (int) $topic_id : ''; $sql_topic_id = ($topic_id) ? ' AND p.topic_id = ' . (int) $topic_id : '';
$sql_time = ($sort_days) ? ' AND p.post_time >= ' . (time() - ($sort_days * 86400)) : ''; $sql_time = ($sort_days) ? ' AND p.post_time >= ' . (time() - ($sort_days * 86400)) : '';
$sql_firstpost = ($firstpost_only) ? ' AND p.post_id = t.topic_first_post_id' : ''; $sql_firstpost = ($firstpost_only) ? ' AND p.post_id = t.topic_first_post_id' : '';
@ -550,7 +545,7 @@ class phpbb_search_fulltext_mysql extends phpbb_search_base
} }
else else
{ {
$m_approve_fid_sql = ' AND (p.post_approved = 1 OR ' . $db->sql_in_set('p.forum_id', $m_approve_fid_ary, true) . ')'; $m_approve_fid_sql = ' AND (p.post_approved = 1 OR ' . $this->db->sql_in_set('p.forum_id', $m_approve_fid_ary, true) . ')';
} }
// If the cache was completely empty count the results // If the cache was completely empty count the results
@ -589,21 +584,21 @@ class phpbb_search_fulltext_mysql extends phpbb_search_base
} }
// Only read one block of posts from the db and then cache it // Only read one block of posts from the db and then cache it
$result = $db->sql_query_limit($sql, $config['search_block_size'], $start); $result = $this->db->sql_query_limit($sql, $this->config['search_block_size'], $start);
while ($row = $db->sql_fetchrow($result)) while ($row = $this->db->sql_fetchrow($result))
{ {
$id_ary[] = (int) $row[$field]; $id_ary[] = (int) $row[$field];
} }
$db->sql_freeresult($result); $this->db->sql_freeresult($result);
// retrieve the total result count if needed // retrieve the total result count if needed
if (!$result_count) if (!$result_count)
{ {
$sql = 'SELECT FOUND_ROWS() as result_count'; $sql = 'SELECT FOUND_ROWS() as result_count';
$result = $db->sql_query($sql); $result = $this->db->sql_query($sql);
$result_count = (int) $db->sql_fetchfield('result_count'); $result_count = (int) $this->db->sql_fetchfield('result_count');
$db->sql_freeresult($result); $this->db->sql_freeresult($result);
if (!$result_count) if (!$result_count)
{ {
@ -635,8 +630,6 @@ class phpbb_search_fulltext_mysql extends phpbb_search_base
*/ */
function index($mode, $post_id, &$message, &$subject, $poster_id, $forum_id) function index($mode, $post_id, &$message, &$subject, $poster_id, $forum_id)
{ {
global $db;
// Split old and new post/subject to obtain array of words // Split old and new post/subject to obtain array of words
$split_text = $this->split_message($message); $split_text = $this->split_message($message);
$split_title = ($subject) ? $this->split_message($subject) : array(); $split_title = ($subject) ? $this->split_message($subject) : array();
@ -669,8 +662,6 @@ class phpbb_search_fulltext_mysql extends phpbb_search_base
*/ */
function tidy() function tidy()
{ {
global $db, $config;
// destroy too old cached search results // destroy too old cached search results
$this->destroy_cache(array()); $this->destroy_cache(array());
@ -686,8 +677,6 @@ class phpbb_search_fulltext_mysql extends phpbb_search_base
*/ */
function create_index($acp_module, $u_action) function create_index($acp_module, $u_action)
{ {
global $db;
// Make sure we can actually use MySQL with fulltext indexes // Make sure we can actually use MySQL with fulltext indexes
if ($error = $this->init()) if ($error = $this->init())
{ {
@ -703,7 +692,7 @@ class phpbb_search_fulltext_mysql extends phpbb_search_base
if (!isset($this->stats['post_subject'])) if (!isset($this->stats['post_subject']))
{ {
if ($db->sql_layer == 'mysqli' || version_compare($db->sql_server_info(true), '4.1.3', '>=')) if ($this->db->sql_layer == 'mysqli' || version_compare($this->db->sql_server_info(true), '4.1.3', '>='))
{ {
$alter[] = 'MODIFY post_subject varchar(255) COLLATE utf8_unicode_ci DEFAULT \'\' NOT NULL'; $alter[] = 'MODIFY post_subject varchar(255) COLLATE utf8_unicode_ci DEFAULT \'\' NOT NULL';
} }
@ -716,7 +705,7 @@ class phpbb_search_fulltext_mysql extends phpbb_search_base
if (!isset($this->stats['post_text'])) if (!isset($this->stats['post_text']))
{ {
if ($db->sql_layer == 'mysqli' || version_compare($db->sql_server_info(true), '4.1.3', '>=')) if ($this->db->sql_layer == 'mysqli' || version_compare($this->db->sql_server_info(true), '4.1.3', '>='))
{ {
$alter[] = 'MODIFY post_text mediumtext COLLATE utf8_unicode_ci NOT NULL'; $alter[] = 'MODIFY post_text mediumtext COLLATE utf8_unicode_ci NOT NULL';
} }
@ -734,10 +723,10 @@ class phpbb_search_fulltext_mysql extends phpbb_search_base
if (sizeof($alter)) if (sizeof($alter))
{ {
$db->sql_query('ALTER TABLE ' . POSTS_TABLE . ' ' . implode(', ', $alter)); $this->db->sql_query('ALTER TABLE ' . POSTS_TABLE . ' ' . implode(', ', $alter));
} }
$db->sql_query('TRUNCATE TABLE ' . SEARCH_RESULTS_TABLE); $this->db->sql_query('TRUNCATE TABLE ' . SEARCH_RESULTS_TABLE);
return false; return false;
} }
@ -751,8 +740,6 @@ class phpbb_search_fulltext_mysql extends phpbb_search_base
*/ */
function delete_index($acp_module, $u_action) function delete_index($acp_module, $u_action)
{ {
global $db;
// Make sure we can actually use MySQL with fulltext indexes // Make sure we can actually use MySQL with fulltext indexes
if ($error = $this->init()) if ($error = $this->init())
{ {
@ -783,10 +770,10 @@ class phpbb_search_fulltext_mysql extends phpbb_search_base
if (sizeof($alter)) if (sizeof($alter))
{ {
$db->sql_query('ALTER TABLE ' . POSTS_TABLE . ' ' . implode(', ', $alter)); $this->db->sql_query('ALTER TABLE ' . POSTS_TABLE . ' ' . implode(', ', $alter));
} }
$db->sql_query('TRUNCATE TABLE ' . SEARCH_RESULTS_TABLE); $this->db->sql_query('TRUNCATE TABLE ' . SEARCH_RESULTS_TABLE);
return false; return false;
} }
@ -813,15 +800,13 @@ class phpbb_search_fulltext_mysql extends phpbb_search_base
*/ */
function index_stats() function index_stats()
{ {
global $user;
if (empty($this->stats)) if (empty($this->stats))
{ {
$this->get_stats(); $this->get_stats();
} }
return array( return array(
$user->lang['FULLTEXT_MYSQL_TOTAL_POSTS'] => ($this->index_created()) ? $this->stats['total_posts'] : 0, $this->user->lang['FULLTEXT_MYSQL_TOTAL_POSTS'] => ($this->index_created()) ? $this->stats['total_posts'] : 0,
); );
} }
@ -832,9 +817,7 @@ class phpbb_search_fulltext_mysql extends phpbb_search_base
*/ */
function get_stats() function get_stats()
{ {
global $db; if (strpos($this->db->sql_layer, 'mysql') === false)
if (strpos($db->sql_layer, 'mysql') === false)
{ {
$this->stats = array(); $this->stats = array();
return; return;
@ -842,9 +825,9 @@ class phpbb_search_fulltext_mysql extends phpbb_search_base
$sql = 'SHOW INDEX $sql = 'SHOW INDEX
FROM ' . POSTS_TABLE; FROM ' . POSTS_TABLE;
$result = $db->sql_query($sql); $result = $this->db->sql_query($sql);
while ($row = $db->sql_fetchrow($result)) while ($row = $this->db->sql_fetchrow($result))
{ {
// deal with older MySQL versions which didn't use Index_type // deal with older MySQL versions which didn't use Index_type
$index_type = (isset($row['Index_type'])) ? $row['Index_type'] : $row['Comment']; $index_type = (isset($row['Index_type'])) ? $row['Index_type'] : $row['Comment'];
@ -865,9 +848,9 @@ class phpbb_search_fulltext_mysql extends phpbb_search_base
} }
} }
} }
$db->sql_freeresult($result); $this->db->sql_freeresult($result);
$this->stats['total_posts'] = empty($this->stats) ? 0 : $db->get_estimated_row_count(POSTS_TABLE); $this->stats['total_posts'] = empty($this->stats) ? 0 : $this->db->get_estimated_row_count(POSTS_TABLE);
} }
/** /**
@ -879,16 +862,14 @@ class phpbb_search_fulltext_mysql extends phpbb_search_base
*/ */
function acp() function acp()
{ {
global $user, $config;
$tpl = ' $tpl = '
<dl> <dl>
<dt><label>' . $user->lang['MIN_SEARCH_CHARS'] . ':</label><br /><span>' . $user->lang['FULLTEXT_MYSQL_MIN_SEARCH_CHARS_EXPLAIN'] . '</span></dt> <dt><label>' . $this->user->lang['MIN_SEARCH_CHARS'] . ':</label><br /><span>' . $this->user->lang['FULLTEXT_MYSQL_MIN_SEARCH_CHARS_EXPLAIN'] . '</span></dt>
<dd>' . $config['fulltext_mysql_min_word_len'] . '</dd> <dd>' . $this->config['fulltext_mysql_min_word_len'] . '</dd>
</dl> </dl>
<dl> <dl>
<dt><label>' . $user->lang['MAX_SEARCH_CHARS'] . ':</label><br /><span>' . $user->lang['FULLTEXT_MYSQL_MAX_SEARCH_CHARS_EXPLAIN'] . '</span></dt> <dt><label>' . $this->user->lang['MAX_SEARCH_CHARS'] . ':</label><br /><span>' . $this->user->lang['FULLTEXT_MYSQL_MAX_SEARCH_CHARS_EXPLAIN'] . '</span></dt>
<dd>' . $config['fulltext_mysql_max_word_len'] . '</dd> <dd>' . $this->config['fulltext_mysql_max_word_len'] . '</dd>
</dl> </dl>
'; ';