Autoloader.php

<?php


function autoload($className)
{
    if(strstr($className,'\StdClass')){
        return false;
    }

    $className = ltrim($className, '\\');
    $fileName  = '';

    if ($lastNsPos = strrpos($className, '\\')) {
        $namespace = substr($className, 0, $lastNsPos);
        $className = substr($className, $lastNsPos + 1);
        $fileName  = str_replace('\\', DIRECTORY_SEPARATOR, $namespace) . DIRECTORY_SEPARATOR;
    }
    $fileName .= str_replace('_', DIRECTORY_SEPARATOR, $className) . '.php';
    $fileName = '../'.$fileName;

    if(file_exists($fileName)){
        require $fileName;
    } else {
        echo('File not found '.$fileName);
    }
}

spl_autoload_register('autoload');

/* this will check class existence before attempting autoload */
function classExists($className)
{
    if(strstr($className,'\StdClass')){
        return false;
    }

    $className = ltrim($className, '\\');
    $fileName  = '';
    if ($lastNsPos = strrpos($className, '\\')) {
        $namespace = substr($className, 0, $lastNsPos);
        $className = substr($className, $lastNsPos + 1);
        $fileName  = str_replace('\\', DIRECTORY_SEPARATOR, $namespace) . DIRECTORY_SEPARATOR;
    }

    $fileName .= str_replace('_', DIRECTORY_SEPARATOR, $className) . '.php';

    if(file_exists($fileName)){
        return $fileName;
    }

    return false;
}

function getNameSpacePath($className){
    $className = ltrim($className, '\\');
    $fileName  = '';
    $namespace = '';
    if ($lastNsPos = strrpos($className, '\\')) {
        $namespace = substr($className, 0, $lastNsPos);
        $className = substr($className, $lastNsPos + 1);
        $fileName  = str_replace('\\', DIRECTORY_SEPARATOR, $namespace) . DIRECTORY_SEPARATOR;
    }
    $fileName .= str_replace('_', DIRECTORY_SEPARATOR, $className);

    return $fileName;

}