/home/joan/000www/repo/spirit/1.0/core/extensions/registry/registry.php

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<?php
class Registry
{
        private static $registry = array();

        public static function set($index, $value)
        {
                self::$registry[$index] = $value;
        }

        public static function append($index, $value)
        {
                if(!isset(self::$registry[$index])){
                        self::$registry[$index] = array();
                }
                self::$registry[$index][] = $value;
        }


        public static function prepend($index, $value)
        {
                if(!isset(self::$registry[$index])){
                        self::$registry[$index] = array();
                }
                array_unshift(self::$registry[$index], $value);
        }

        public static function get($index)
        {
                if(isset(self::$registry[$index])){
                        return self::$registry[$index];
                } else {
                        return null;
                }
        }

}

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