ttrss/include/db.php

145 lines
3.1 KiB
PHP

<?php
require_once "config.php";
function db_connect($host, $user, $pass, $db) {
if (DB_TYPE == "pgsql") {
$string = "dbname=$db user=$user";
if ($pass) {
$string .= " password=$pass";
}
if ($host) {
$string .= " host=$host";
}
if (defined('DB_PORT')) {
$string = "$string port=" . DB_PORT;
}
$link = pg_connect($string);
if (!$link) {
die("Unable to connect to database (as $user to $host, database $db):" . pg_last_error());
}
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("Unable to connect to database (as $user to $host, database $db): " . mysql_error());
}
}
}
function db_escape_string($s, $strip_tags = true) {
if ($strip_tags) $s = strip_tags($s);
if (DB_TYPE == "pgsql") {
return pg_escape_string($s);
} else {
return mysql_real_escape_string($s);
}
}
function db_query($link, $query, $die_on_error = true) {
if ($_REQUEST["qlog"] || defined('QUERY_LOG')) {
$query = trim($query);
error_log($_SESSION["uid"] . ":" . $_REQUEST["op"] . "/" . $_REQUEST["method"] .
" $query\n", 3, "/tmp/ttrss-query.log");
}
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 [$result]: " . ($link ? pg_last_error($link) : "No connection"));
}
}
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: " . ($link ? mysql_error($link) : "No connection"));
}
}
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);
}
}
function db_quote($str){
return("'$str'");
}
?>