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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.
**************************************************************************/
require_once( 'logging.inc.php' );
switch ( $config[ 'db_engine' ] ) {
case 'mysql':
if ( function_exists( 'mysql_connect' ) )
require_once( 'database-mysql.inc.php' );
break;
case 'mysqli':
if ( function_exists( 'mysqli_connect' ) )
require_once( 'database-mysqli.inc.php' );
break;
case 'pgsql':
if ( function_exists( 'pg_connect' ) )
require_once( 'database-pgsql.inc.php' );
break;
case 'mssql':
if ( class_exists( 'COM' ) && version_compare( PHP_VERSION, '5.0', '>=' ) )
require_once( 'database-mssql.inc.php' );
break;
}
function wi_check_database()
{
return function_exists( 'wi_db_connect' );
}
function wi_open_database()
{
global $config;
set_magic_quotes_runtime( 0 );
if ( !wi_db_connect( $config[ 'db_host' ], $config[ 'db_database' ], $config[ 'db_user' ], $config[ 'db_password' ] ) )
return false;
ignore_user_abort( true );
return true;
}
function wi_query( $query )
{
$args = func_get_args();
array_shift( $args );
return wi_query_args( $query, $args );
}
function wi_query_row( $query )
{
if ( func_num_args() > 1 ) {
$args = func_get_args();
array_shift( $args );
} else {
$args = null;
}
$rs = wi_query_args( $query, $args );
if ( !$rs )
return false;
return wi_db_fetch_assoc( $rs );
}
function wi_query_args( $query, $args )
{
global $config;
$query = str_replace( '{', $config[ 'db_prefix' ], $query );
$query = str_replace( '}', '', $query );
$query = wi_build_query( $query, $args );
$rs = wi_db_query( $query );
return $rs;
}
function wi_build_query( $query, $args )
{
$result = '';
$index = 0;
$parts = preg_split( '/(%(?:\d+\\$)?[a-z])/', $query, -1, PREG_SPLIT_DELIM_CAPTURE | PREG_SPLIT_NO_EMPTY );
foreach ( $parts as $part ) {
if ( $part{0} == '%' ) {
$type = substr( $part, -1, 1 );
if ( strlen( $part ) > 2 )
$index = (int)substr( $part, 1, -2 );
else
$index = $index + 1;
$arg = $args[ $index - 1 ];
$result .= wi_db_escape_arg( $arg, $type );
} else {
$result .= $part;
}
}
return $result;
}
function wi_fetch( $rs )
{
return wi_db_fetch_assoc( $rs );
}
function wi_unescape_blob( $data )
{
return wi_db_unescape_blob( $data );
}
function wi_insert_id( $table, $column )
{
global $config;
return wi_db_insert_id( $config[ 'db_prefix' ] . $table, $column );
}
function wi_table_exists( $table )
{
global $config;
return wi_db_table_exists( $config[ 'db_prefix' ] . $table );
}
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