experimental singleton-based Db connection

[tt-rss.git] / classes / db / mysql.php

diff --git a/classes/db/mysql.php b/classes/db/mysql.php
new file mode 100644 (file)
index 0000000..512ea38
--- /dev/null
+++ b/classes/db/mysql.php
@@ -0,0 +1,59 @@
+<?php
+class Db_Mysql implements IDb {
+       private $link;
+
+       function connect($host, $user, $pass, $db, $port) {
+               $this->link = mysql_connect($host, $user, $pass);
+               if ($this->link) {
+                       $result = mysql_select_db($db, $this->link);
+                       if (!$result) {
+                               die("Can't select DB: " . mysql_error($this->link));
+                       }
+                       return $this->link;
+               } else {
+                       die("Unable to connect to database (as $user to $host, database $db): " . mysql_error());
+               }
+       }
+
+       function escape_string($s, $strip_tags = true) {
+               return mysql_real_escape_string($s, $this->link);
+       }
+
+       function query($query, $die_on_error = true) {
+               $result = mysql_query($query, $this->link);
+               if (!$result) {
+                       $query = htmlspecialchars($query);
+                       if ($die_on_error) {
+                               die("Query <i>$query</i> failed: " . ($this->link ? mysql_error($link) : "No connection"));
+                       }
+               }
+               return $result;
+       }
+
+       function fetch_assoc($result) {
+               return mysql_fetch_assoc($result);
+       }
+
+
+       function num_rows($result) {
+               return mysql_num_rows($result);
+       }
+
+       function fetch_result($result, $row, $param) {
+               return mysql_result($result, $row, $param);
+       }
+
+       function close() {
+               return mysql_close($this->link);
+       }
+
+       function affected_rows($result) {
+               return mysql_affected_rows($this->link);
+       }
+
+       function last_error() {
+               return mysql_affected_rows($this->link);
+       }
+
+}
+?>