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Date: Thu, 11 May 2006 01:15:03 +0200
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To: Antony Dovgal <antony@zend.com>
CC: Ralph Schindler <ralph@smashlabs.com>,  internals@lists.php.net
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Subject: Re: [PHP-DEV] PHP6 OOP compiler feature question / request
From: jochem@iamjochem.com (Jochem Maas)

Antony, I believe Ralph was using isset() and unset() purely
as arbitrary examples, e.g:

class TestReservedKeywordMethods
{
	function unset() { echo "unset<br />"; }
	function echo()  { echo "echo<br />";  }
	function empty() { echo "empty<br />"; }
}

$test = new TestReservedKeywordMethods();
$test->unset();
$test->echo();
$test->empty();

PS: the underlying example does work, which gives me the feeling that
it not so much an architechural limitation but rather a performance issue
with regard to doing extra checks as to the context of an encoutered
T_UNSET (for example) to determine whether it's okay, but I'm guessing
really - (and it's probably is not exactly what Ralph is looking for):

class TestReservedKeywordMethods
{
	function __call($m) { echo "$m<br />"; }
}

$test = new TestReservedKeywordMethods();
$test->unset();
$test->echo();
$test->empty();



Antony Dovgal wrote:
> 
> __isset() and __unset() methods are what you're looking for.
> They are available since 5.1.0.
> 
> See http://www.php.net/manual/en/language.oop5.overloading.php
> 
> On 10.05.2006 21:28, Ralph Schindler wrote:
> 
>> Architectural restrictions aside, is it far off to ask if something 
>> like this could be possible in PHP6:
>>
>> <?
>>
>> class TestReservedKeywordMethods
>> {
>>      public $value = "2";
>>
>>      public function isset()
>>      {
>>          if (is_null($this->value))
>>              return false;
>>          else
>>              return true;
>>      }
>>
>>      public function unset()
>>      {
>>          $this->value = 0;
>>      }
>>
>> }
>>
>> $test = new TestReservedKeywordMethods();
>> $test->isset();
>> $test->unset();
>>
>> ?>
>>
> 
>