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<?php
require_once "config.php";
function db_connect($host, $user, $pass, $db) {
if (DB_TYPE == "pgsql") {
$string = "dbname=$db user=$user password=$pass";
if ($host) {
$string .= " host=$host";
}
if (defined('DB_PORT')) {
$string = "$string port=" . DB_PORT;
}
$link = pg_connect($string);
if (!$link) {
die("Connection failed: " . pg_last_error($link));
}
return $link;
} else if (DB_TYPE == "mysql") {
$link = mysql_connect($host, $user, $pass);
if ($link) {
$result = mysql_select_db($db, $link);
if (!$result) {
die("Can't select DB: " . mysql_error($link));
}
return $link;
} else {
die("Connection failed: " . mysql_error($link));
}
}
}
function db_escape_string($s) {
if (DB_TYPE == "pgsql") {
return pg_escape_string($s);
} else {
return mysql_real_escape_string($s);
}
}
function db_query($link, $query, $die_on_error = true) {
if (DB_TYPE == "pgsql") {
$result = pg_query($link, $query);
if (!$result) {
$query = htmlspecialchars($query); // just in case
if ($die_on_error) {
die("Query <i>$query</i> failed [$result]: " . pg_last_error($link));
}
}
return $result;
} else if (DB_TYPE == "mysql") {
$result = mysql_query($query, $link);
if (!$result) {
$query = htmlspecialchars($query);
if ($die_on_error) {
die("Query <i>$query</i> failed: " . mysql_error($link));
}
}
return $result;
}
}
function db_fetch_assoc($result) {
if (DB_TYPE == "pgsql") {
return pg_fetch_assoc($result);
} else if (DB_TYPE == "mysql") {
return mysql_fetch_assoc($result);
}
}
function db_num_rows($result) {
if (DB_TYPE == "pgsql") {
return pg_num_rows($result);
} else if (DB_TYPE == "mysql") {
return mysql_num_rows($result);
}
}
function db_fetch_result($result, $row, $param) {
if (DB_TYPE == "pgsql") {
return pg_fetch_result($result, $row, $param);
} else if (DB_TYPE == "mysql") {
// I hate incoherent naming of PHP functions
return mysql_result($result, $row, $param);
}
}
function db_unescape_string($str) {
$tmp = str_replace("\\\"", "\"", $str);
$tmp = str_replace("\\'", "'", $tmp);
return $tmp;
}
function db_close($link) {
if (DB_TYPE == "pgsql") {
return pg_close($link);
} else if (DB_TYPE == "mysql") {
return mysql_close($link);
}
}
function db_affected_rows($link, $result) {
if (DB_TYPE == "pgsql") {
return pg_affected_rows($result);
} else if (DB_TYPE == "mysql") {
return mysql_affected_rows($link);
}
}
function db_last_error($link) {
if (DB_TYPE == "pgsql") {
return pg_last_error($link);
} else if (DB_TYPE == "mysql") {
return mysql_error($link);
}
}
?>
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