使用spl_autoload_register在运行时加载类将导致性能不佳？

Question

Well if i do something like:

boot.php:

function boot($c) { require 'mods/'.$c.'.php'; }
spl_autoload_register('boot');

index.php

require 'boot.php';

class Father {
function __construct()
{
/* get all modules in database then loop it like: */
foreach($mods as $v) eval('$cmod = new '.$v.'()');
}
}
new Father();

Example of a class module:

class mod01 extends Father {

function __construct() { //code }

}

I would like to know if use eval is a good or bad point, i'm using it cuz i don't know the name of mods it will come of db.

Answer 1

you don't need eval(). (and if not necessary, simply don't use it)

foreach($mods as $v)
    $cmod = new $v();

Works too.