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();
?>
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