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Moved all search functions to includes/search.php Paul; please review

git-svn-id: file:///svn/phpbb/trunk@1781 89ea8834-ac86-4346-8a33-228a782c2dd0
This commit is contained in:
Bart van Bragt
2002-01-03 11:06:22 +00:00
parent 6c8b10c87a
commit f02324d2cb
5 changed files with 530 additions and 708 deletions

View File

@@ -38,37 +38,7 @@ $dbms = 'mysql';
include('includes/db.'.$phpEx);
include('includes/bbcode.'.$phpEx);
//
// Set smiley path, uncomment the following line to set the path manually
//
//$smiley_path = '/forums/images/smiles/';
//
/*
if( !isset($smiley_path) )
{
// Did we get a path through the URL?
if(isset($HTTP_GET_VARS['smiley_path']))
{
$smiley_path = $HTTP_GET_VARS['smiley_path'];
}
else
{
// Check the current directory name
$base_dir = dirname($PHP_SELF);
if ($base_dir != '/phpBB2' && $base_dir != '\phpBB2')
{
// User isn't installing in the default /phpBB2/ dir, probably installing in 1.4 dir?
$smiley_path = $base_dir . '/images/smiles/';
}
else
{
// Fall back to the default 1.4 path
$smiley_path = '/phpBB/images/smiles/';
}
}
}
*/
include('includes/search.'.$phpEx);
set_time_limit(0); // Unlimited execution time
@@ -92,122 +62,6 @@ $months = array(
// ---------------
// Begin functions
//
function clean_words($entry, &$search, &$replace)
{
// Weird, $init_match doesn't work with static when double quotes (") are used...
static $init_match = array('^', '$', '&', '(', ')', '<', '>', '`', "'", '|', ',', '@', '_', '?', '%');
static $init_replace = array(" ", " ", " ", " ", " ", " ", " ", " ", "", " ", " ", " ", " ", " ", " ");
static $later_match = array("-", "~", "+", ".", "[", "]", "{", "}", ":", "\\", "/", "=", "#", "\"", ";", "*", "!");
static $later_replace = array(" ", " ", " ", " ", " ", " ", " ", " ", " ", " " , " ", " ", " ", " ", " ", " ", " ");
static $sgml_match = array("&nbsp;", "&szlig;", "&agrave;", "&aacute;", "&acirc;", "&atilde;", "&auml;", "&aring;", "&aelig;", "&ccedil;", "&egrave;", "&eacute;", "&ecirc;", "&euml;", "&igrave;", "&iacute;", "&icirc;", "&iuml;", "&eth;", "&ntilde;", "&ograve;", "&oacute;", "&ocirc;", "&otilde;", "&ouml;", "&oslash;", "&ugrave;", "&uacute;", "&ucirc;", "&uuml;", "&yacute;", "&thorn;", "&yuml;");
static $sgml_replace = array(" ", "s", "a", "a", "a", "a", "a", "a", "a", "c", "e", "e", "e", "e", "i", "i", "i", "i", "o", "n", "o", "o", "o", "o", "o", "o", "u", "u", "u", "u", "y", "t", "y");
static $accent_match = array("<EFBFBD>", "<EFBFBD>", "<EFBFBD>", "<EFBFBD>", "<EFBFBD>", "<EFBFBD>", "<EFBFBD>", "<EFBFBD>", "<EFBFBD>", "<EFBFBD>", "<EFBFBD>", "<EFBFBD>", "<EFBFBD>", "<EFBFBD>", "<EFBFBD>", "<EFBFBD>", "<EFBFBD>", "<EFBFBD>", "<EFBFBD>", "<EFBFBD>", "<EFBFBD>", "<EFBFBD>", "<EFBFBD>", "<EFBFBD>", "<EFBFBD>", "<EFBFBD>", "<EFBFBD>", "<EFBFBD>", "<EFBFBD>", "<EFBFBD>", "<EFBFBD>", "<EFBFBD>");
static $accent_replace = array("s", "a", "a", "a", "a", "a", "a", "a", "c", "e", "e", "e", "e", "i", "i", "i", "i", "o", "n", "o", "o", "o", "o", "o", "o", "u", "u", "u", "u", "y", "t", "y");
$entry = " " . strip_tags(strtolower($entry)) . " ";
$entry = str_replace($sgml_match, $sgml_match, $entry);
$entry = str_replace($accent_match, $accent_replace, $entry);
// Replace line endings by a space
$entry = preg_replace("/[\n\r]/is", " ", $entry);
// Remove URL's
$entry = preg_replace("/\b[a-z0-9]+:\/\/[a-z0-9\.\-]+(\/[a-z0-9\?\.%_\-\+=&\/]+)?/si", " ", $entry);
// Filter out strange characters like ^, $, &, change "it's" to "its"
// str_replace with arrays is buggy in some PHP versions so traverse the arrays manually ;(
for($i = 0; $i < count($init_match); $i++)
{
$entry = str_replace($init_match[$i], $init_replace[$i], $entry);
}
// Quickly remove BBcode.
$entry = preg_replace("/\[code:[0-9]+:[0-9a-z]{10,}\].*?\[\/code:[0-9]+:[0-9a-z]{10,}\]/is", " ", $entry);
$entry = preg_replace("/\[img\].*?\[\/img\]/is", " ", $entry);
$entry = preg_replace("/\[\/?[a-z\*=\+\-]+[0-9a-z]?(\:[a-z0-9]+)?:[a-z0-9]{10,}(\:[a-z0-9]+)?=?.*?\]/si", " ", $entry);
// URLs
$entry = preg_replace("/\[\/?[a-z\*]+[=\+\-]?[0-9a-z]+?:[a-z0-9]{10,}[=.*?]?\]/si", " ", $entry);
$entry = preg_replace("/\[\/?url(=.*?)?\]/si", " ", $entry);
// Numbers
$entry = preg_replace("/\b[0-9]+\b/si", " ", $entry);
// HTML entities like &1234;
$entry = preg_replace("/\b&[a-z]+;\b/is", " ", $entry);
// 'words' that consist of <2 or >50 characters are removed.
$entry = preg_replace("/\b[a-z0-9]{1,2}?\b/si", " ", $entry);
$entry = preg_replace("/\b[a-z0-9]{50,}?\b/si", " ", $entry);
// Remove some more strange characters
for($i = 0; $i < count($later_match); $i++)
{
$entry = str_replace($later_match[$i], $later_replace[$i], $entry);
}
return $entry;
}
function split_words(&$entry)
{
preg_match_all("/\b(\w[\w']*\w+|\w+?)\b/", $entry, $split_entries);
return $split_entries[1];
}
function remove_common($percent, $delete_common = 0)
{
global $db;
$sql = "SELECT COUNT(DISTINCT post_id) as total_posts
FROM " . SEARCH_MATCH_TABLE;
$result = query($sql, "Couldn't select post count");
$total_posts = $db->sql_fetchrow($result);
$total_posts = $total_posts['total_posts'];
$common_threshold = floor($total_posts * ( $percent / 100 ));
$sql = "SELECT word_id
FROM " . SEARCH_MATCH_TABLE . "
GROUP BY word_id
HAVING count(word_id) > $common_threshold";
$result = query($sql, "Couldn't select matches");
$common_words = $db->sql_numrows($result);
while($row = $db->sql_fetchrow($result))
{
$common_word_ids[] = $row['word_id'];
}
$db->sql_freeresult($result);
if(count($common_word_ids) != 0)
{
$common_word_ids = implode(',',$common_word_ids);
}
else
{
// We didn't remove any common words
return 0;
}
$sql = "UPDATE ". SEARCH_WORD_TABLE ."
SET word_common = 1
WHERE word_id IN ($common_word_ids)";
$result = query($sql, "Couldn't update search_wordmatch table common word field");
if( $delete_common)
{
$sql = "DELETE FROM ".SEARCH_MATCH_TABLE."
WHERE word_id IN ($common_word_ids)";
$result = query($sql, "Couldn't delete common words");
}
return $common_words;
}
function common_header()
{
?>
@@ -1789,7 +1643,7 @@ if( !empty($next) )
{
print "<br>Removing common words (words that appear in more than $common_percent of the posts)<br>\n";
flush();
print "Removed " . remove_common($common_percent, 1) . " words that where too common.<br>";
print "Removed " . remove_common_global($common_percent, 1) . " words that where too common.<br>";
}
}
@@ -1963,4 +1817,4 @@ if( !empty($next) )
print "<br />If the upgrade completed without error you may click <a href=\"index.$phpEx\">Here</a> to proceed to the index<br />";
?>
?>