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<?php
/**************************************************************************
* This file is part of the WebIssues Server program
* Copyright (C) 2006 Michał Męciński
* Copyright (C) 2007-2008 WebIssues Team
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
**************************************************************************/
function wi_db_connect( $host, $database, $user, $password )
{
global $db_link;
$port = '';
$socket = '';
$parts = explode( ':', $host );
if ( isset( $parts[ 1 ] ) ) {
$host = $parts[ 0 ];
if ( is_numeric( $parts[ 1 ] ) )
$port = $parts[ 1 ];
else
$socket = $parts[ 1 ];
}
if ( $host == '' )
$host = 'localhost';
if ( $socket != '' )
$db_link = mysqli_connect( $host, $user, $password, $database, null, $socket );
else if ( $port != '' )
$db_link = mysqli_connect( $host, $user, $password, $database, $port );
else
$db_link = mysqli_connect( $host, $user, $password, $database );
if ( !$db_link )
return false;
mysqli_query( $db_link, "SET NAMES 'utf8'" );
return true;
}
function wi_db_escape_arg( $arg, $type )
{
global $db_link;
switch( $type ) {
case 'd':
return (int)$arg;
case 's':
case 'b':
return "'" . mysqli_escape_string( $db_link, $arg ) . "'";
}
}
function wi_db_query( $query )
{
global $db_link;
$log = wi_log_open( 'sql' );
if ( $log )
fwrite( $log, "> $query\n" );
$rs = mysqli_query( $db_link, $query );
if ( !$rs ) {
$error = mysqli_error( $db_link );
trigger_error( 'mysqli_query(): ' . $error, E_USER_WARNING );
if ( $log )
fwrite( $log, "ERROR: $error\n" );
return false;
}
if ( $log ) {
if ( $rs === true ) {
$num = mysqli_affected_rows( $db_link );
fwrite( $log, "($num rows affected)\n" );
} else {
$num = mysqli_num_rows( $rs );
fwrite( $log, "($num rows returned)\n" );
}
}
return $rs;
}
function wi_db_fetch_assoc( $rs )
{
return mysqli_fetch_assoc( $rs );
}
function wi_db_unescape_blob( $data )
{
return $data;
}
function wi_db_insert_id( $table, $column )
{
global $db_link;
return mysqli_insert_id( $db_link );
}
function wi_db_table_exists( $table )
{
global $db_link;
$query = "SHOW TABLES LIKE '$table'";
$rs = mysqli_query( $db_link, $query );
return mysqli_num_rows( $rs ) > 0;
}
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