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signaturepdf/vendor/fatfree/lib/magic.php

140 lines
2.8 KiB
PHP

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