Query/autoload.php

116 lines
2.0 KiB
PHP

<?php
/**
* Query
*
* Free Query Builder / Database Abstraction Layer
*
* @package Query
* @author Timothy J. Warren
* @copyright Copyright (c) 2012
* @link https://github.com/aviat4ion/Query
* @license http://philsturgeon.co.uk/code/dbad-license
*/
// --------------------------------------------------------------------------
/**
* Autoloader for loading available database classes
*/
/**
* Reference to root path
*/
define('QBASE_PATH', dirname(__FILE__).'/');
/**
* Path to driver classes
*/
define('QDRIVER_PATH', QBASE_PATH.'drivers/');
if ( ! function_exists('do_include'))
{
/**
* Bulk directory loading workaround for use
* with array_map and glob
*
* @param string $path
* @return void
*/
function do_include($path)
{
require_once($path);
}
}
if ( ! function_exists('mb_trim'))
{
/**
* Multibyte-safe trim function
*
* @param string
* @return string
*/
function mb_trim($string)
{
return preg_replace("/(^\s+)|(\s+$)/us", "", $string);
}
}
/**
* Load a Query class
*
* @param string $class
*/
function query_autoload($class)
{
$class = strtolower($class);
// Load Firebird separately
if (function_exists('fbird_connect') && $class === 'firebird')
{
array_map('do_include', glob(QDRIVER_PATH.'/firebird/*.php'));
return;
}
$class_path = QBASE_PATH . "classes/{$class}.php";
$driver_path = QDRIVER_PATH . "{$class}";
if (is_file($class_path))
{
require_once($class_path);
}
elseif (is_dir($driver_path))
{
if (in_array($class, PDO::getAvailableDrivers()))
{
array_map('do_include', glob("{$driver_path}/*.php"));
}
}
}
// Set up autoloader
spl_autoload_register('query_autoload');
// --------------------------------------------------------------------------
/**
* Filter out db rows into one array
*
* @param array $array
* @param mixed $index
* @return array
*/
function db_filter($array, $index)
{
$new_array = array();
foreach($array as $a)
{
$new_array[] = $a[$index];
}
return $new_array;
}
// End of autoload.php