<?php

spl_autoload_register(function ($classname) {
    $pathname = __DIR__ . DIRECTORY_SEPARATOR;
    $filename = str_replace('\\', DIRECTORY_SEPARATOR, $classname) . '.php';
    if (file_exists($pathname . $filename)) {
        $prefix = 'Weapp';
        if (stripos($classname, $prefix) === 0) {
            include $pathname . $filename;
            return true;
        }
    }
    return false;
});