<?php

/**
 * User: u73376
 * Date: 2018/8/17
 * Time: 9:37
 */

class MethodLoader
{
    #临时类文件存放目录


    /**
     * @param $methodString 可以转为方法的字符串
     * @return object
     */
    static function getInstanceByMethodString($methodString)
    {

        $obj = new class($methodString)
        {
            private $methodString;

            public function __construct($methodString)
            {
                $this->methodString = $methodString;
            }
            public function invokeMethod($flow, $form)
            {
                //function[\s\n]+(\S+)[\s\n]*\(
                preg_match_all("/function[\s\n]+(\S+)[\s\n]*\(/", $this->methodString, $arr);
                eval($this->methodString . ";");
                $func=$arr[1][0]; 
                return   $func($flow, $form);
            }
        };

        return    $obj;
    }
}