pronto/core/lazyload_php4.php

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<?php
class LazyLoad
{
        var $classname;
        var $filepath;

        var $loaded;
        var $object;

        function LazyLoad($classname, $filepath)
        {
                $this->classname = $classname;
                $this->filepath = $filepath;

                $this->loaded = false;
                $this->object = null;
        }

        function __call($name, $args, &$ret)
        {
                if(!$this->loaded) {
                        require_once($this->filepath);
                        $this->object = new $this->classname();
                        $this->loaded = true;
                }

                if(!method_exists($this->object, $name)) {
                        trigger_error("Method {$this->classname}::{$name}() does not exist");
                }

                // proxy the call to the real object
                $ret = call_user_func_array(array(&$this->object, $name), $args);
                return true;
        }
}

overload('LazyLoad');

?>

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