1 <!-- $Id: wiki_mysql.php3,v 1.7 2000-06-26 21:26:45 ahollosi Exp $ -->
9 RetrievePage($dbi, $pagename)
10 InsertPage($dbi, $pagename, $pagehash)
11 IsWikiPage($dbi, $pagename)
12 InitTitleSearch($dbi, $search)
13 TitleSearchNextMatch($dbi, &$pos)
14 InitFullSearch($dbi, $search)
15 FullSearchNextMatch($dbi, &$pos)
19 // open a database and return the handle
20 // ignores MAX_DBM_ATTEMPTS
22 function OpenDataBase($dbname) {
23 global $mysql_server, $mysql_user, $mysql_pwd, $mysql_db;
25 if (!($dbc = mysql_pconnect($mysql_server, $mysql_user, $mysql_pwd))) {
26 echo "Cannot establish connection to database, giving up.";
29 if (!mysql_select_db($mysql_db, $dbc)) {
30 echo "Cannot open database, giving up.";
35 $dbi['table'] = $dbname;
40 function CloseDataBase($dbi) {
42 // mysql connections are established as persistant
43 // they cannot be closed through mysql_close()
47 function MakeDBHash($pagename, $pagehash)
49 $pagehash["pagename"] = addslashes($pagename);
50 if (!isset($pagehash["flags"]))
51 $pagehash["flags"] = 0;
52 $pagehash["author"] = addslashes($pagehash["author"]);
53 $pagehash["content"] = implode("\n", $pagehash["content"]);
54 $pagehash["content"] = addslashes($pagehash["content"]);
55 $pagehash["refs"] = serialize($pagehash["refs"]);
60 function MakePageHash($dbhash)
62 // unserialize/explode content
63 $dbhash['refs'] = unserialize($dbhash['refs']);
64 $dbhash['content'] = explode("\n", $dbhash['content']);
69 // Return hash of page + attributes or default
70 function RetrievePage($dbi, $pagename) {
71 $pagename = addslashes($pagename);
72 if ($res = mysql_query("select * from $dbi[table] where pagename='$pagename'", $dbi['dbc'])) {
73 if ($dbhash = mysql_fetch_array($res)) {
74 return MakePageHash($dbhash);
81 // Either insert or replace a key/value (a page)
82 function InsertPage($dbi, $pagename, $pagehash)
84 $pagehash = MakeDBHash($pagename, $pagehash);
86 $COLUMNS = "author, content, created, flags, " .
87 "lastmodified, pagename, refs, version";
89 $VALUES = "'$pagehash[author]', '$pagehash[content]', " .
90 "$pagehash[created], $pagehash[flags], " .
91 "$pagehash[lastmodified], '$pagehash[pagename]', " .
92 "'$pagehash[refs]', $pagehash[version]";
95 if (!mysql_query("replace into $dbi[table] ($COLUMNS) values ($VALUES)",
97 echo "error writing page '$pagename'";
103 function IsWikiPage($dbi, $pagename) {
104 $pagename = addslashes($pagename);
105 if ($res = mysql_query("select count(*) from $dbi[table] where pagename='$pagename'", $dbi['dbc'])) {
106 return(mysql_result($res, 0));
111 function IncreaseHitCount($dbi, $pagename)
113 $res = mysql_query("update hitcount set hits=hits+1 where pagename='$pagename'", $dbi['dbc']);
115 if (!mysql_affected_rows($dbi['dbc'])) {
116 $res = mysql_query("insert into hitcount (pagename, hits) values ('$pagename', 1)", $dbi['dbc']);
122 function GetHitCount($dbi, $pagename)
124 $res = mysql_query("select hits from hitcount where pagename='$pagename'", $dbi['dbc']);
125 if (mysql_num_rows($res))
126 $hits = mysql_result($res, 0);
134 // setup for title-search
135 function InitTitleSearch($dbi, $search) {
136 $search = addslashes($search);
137 $res = mysql_query("select pagename from $dbi[table] where pagename like '%$search%' order by pagename", $dbi["dbc"]);
143 // iterating through database
144 function TitleSearchNextMatch($dbi, $res) {
145 if($o = mysql_fetch_object($res)) {
154 // setup for full-text search
155 function InitFullSearch($dbi, $search) {
156 $search = addslashes($search);
157 $res = mysql_query("select * from $dbi[table] where content like '%$search%'", $dbi["dbc"]);
162 // iterating through database
163 function FullSearchNextMatch($dbi, $res) {
164 if($hash = mysql_fetch_array($res)) {
165 return MakePageHash($hash);
172 function InitMostPopular($dbi, $limit) {
173 $res = mysql_query("select * from hitcount order by hits desc, pagename limit $limit");
178 function MostPopularNextMatch($dbi, $res) {
179 if ($hits = mysql_fetch_array($res))