db abstraction layer

1 files changed, 63 insertions, 0 deletions

diff --git a/include/dba/dba_mysql.php b/include/dba/dba_mysql.php
new file mode 100644
index 000000000..05e19903d
--- /dev/null
+++ b/include/dba/dba_mysql.php
@@ -0,0 +1,63 @@
+<?php
+
+require_once('include/dba/dba_driver.php');
+
+
+class dba_mysql extends dba_driver {
+
+	function connect($server,$user,$pass,$db) {
+		$this->db = mysql_connect($server,$user,$pass);
+		if($this->db && mysql_select_db($db,$this->db)) {
+			$this->connected = true;
+		}
+		if($this->connected) {
+			return true;
+		}
+		return false;
+	}
+
+
+	function q($sql) {
+		if((! $this->db) || (! $this->connected))
+			return false;
+
+		$this->error = '';
+		$result = @mysql_query($sql,$this->db);
+
+
+		if(mysql_errno($this->db))
+			$this->error = mysql_error($this->db);
+
+		if($result === false || $this->error) {
+			logger('dba_mysql: ' . printable($sql) . ' returned false.' . "\n" . $this->error);
+			if(file_exists('dbfail.out'))
+				file_put_contents('dbfail.out', datetime_convert() . "\n" . printable($sql) . ' returned false' . "\n" . $this->error . "\n", FILE_APPEND);
+		}
+
+		if(($result === true) || ($result === false))
+			return $result;
+
+		$r = array();
+		if(mysql_num_rows($result)) {
+			while($x = mysql_fetch_array($result,MYSQL_ASSOC))
+				$r[] = $x;
+			mysql_free_result($result);
+			if($this->debug)
+				logger('dba_mysql: ' . printable(print_r($r,true)));
+		}
+		return $r;
+	}
+
+	function escape($str) {
+		if($this->db && $this->connected) {
+			return @mysql_real_escape_string($str,$this->db);
+		}
+	}
+
+	function close() {
+		if($this->db)
+			mysql_close($this->db);
+		$this->connected = false;
+	}
+
+}