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139 lines
2.8 KiB
139 lines
2.8 KiB
<?php
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/*
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Copyright (c) 2009-2019 F3::Factory/Bong Cosca, All rights reserved.
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This file is part of the Fat-Free Framework (http://fatfreeframework.com).
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This is free software: you can redistribute it and/or modify it under the
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terms of the GNU General Public License as published by the Free Software
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Foundation, either version 3 of the License, or later.
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Fat-Free Framework is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License along
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with Fat-Free Framework. If not, see <http://www.gnu.org/licenses/>.
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*/
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//! PHP magic wrapper
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abstract class Magic implements ArrayAccess {
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/**
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* Return TRUE if key is not empty
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* @return bool
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* @param $key string
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**/
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abstract function exists($key);
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/**
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* Bind value to key
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* @return mixed
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* @param $key string
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* @param $val mixed
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**/
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abstract function set($key,$val);
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/**
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* Retrieve contents of key
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* @return mixed
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* @param $key string
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**/
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abstract function &get($key);
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/**
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* Unset key
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* @return NULL
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* @param $key string
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**/
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abstract function clear($key);
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/**
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* Convenience method for checking property value
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* @return mixed
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* @param $key string
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**/
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function offsetexists($key) {
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return Base::instance()->visible($this,$key)?
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isset($this->$key):
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($this->exists($key) && $this->get($key)!==NULL);
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}
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/**
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* Convenience method for assigning property value
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* @return mixed
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* @param $key string
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* @param $val mixed
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**/
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function offsetset($key,$val) {
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return Base::instance()->visible($this,$key)?
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($this->$key=$val):$this->set($key,$val);
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}
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/**
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* Convenience method for retrieving property value
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* @return mixed
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* @param $key string
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**/
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function &offsetget($key) {
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if (Base::instance()->visible($this,$key))
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$val=&$this->$key;
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else
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$val=&$this->get($key);
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return $val;
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}
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/**
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* Convenience method for removing property value
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* @return NULL
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* @param $key string
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**/
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function offsetunset($key) {
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if (Base::instance()->visible($this,$key))
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unset($this->$key);
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else
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$this->clear($key);
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}
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/**
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* Alias for offsetexists()
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* @return mixed
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* @param $key string
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**/
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function __isset($key) {
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return $this->offsetexists($key);
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}
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/**
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* Alias for offsetset()
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* @return mixed
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* @param $key string
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* @param $val mixed
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**/
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function __set($key,$val) {
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return $this->offsetset($key,$val);
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}
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/**
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* Alias for offsetget()
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* @return mixed
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* @param $key string
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**/
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function &__get($key) {
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$val=&$this->offsetget($key);
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return $val;
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}
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/**
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* Alias for offsetunset()
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* @param $key string
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**/
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function __unset($key) {
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$this->offsetunset($key);
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}
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}
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