[qiita 20130107] クラスの静的メソッドを名前空間にインポートして修飾なしで呼ぶ

import.php

<?php
function import($ns, $klass)
{
    $ref = new ReflectionClass($klass);
    $methods = $ref->getMethods(ReflectionMethod::IS_STATIC | ReflectionMethod::IS_PUBLIC);

    $code = "namespace $ns;\n";

    /* @var $method ReflectionMethod */
    foreach ($methods as $method)
    {
        $func = $method->getName();

        if (function_exists("$ns\\$func") === false)
        {
            $code .= "function $func(){ return \\call_user_func_array('$klass::$func', \\func_get_args()); }\n";
        }
    }

    eval($code);
}