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Re: question about class getters [message #180734 is a reply to message #180733]

Fri, 15 March 2013 16:12

Salvatore
Messages: 38
Registered: September 2012

Karma:

Member

On 2013-03-15, David Heller <daveh(at)allheller(dot)net> wrote:
> var $MyVar = new myClass();
> var $mydate = $MyVar->getArray[1];
> echo $mydate;
> => Mon
> will this work? If not how to make it work?

Ah, I see now. Well, to answer your first question, it won't work. The
type of $MyVar->getArray is function (or callback), not array.

The proper way of writing a getter in PHP is like so:

<?php
class myClass {
private $_array = array();

public function __get($name) {
switch ($name) {
case 'array':
break;
}
}
}
?>

In this example, when you fetch "$MyVar->array" you will get the array
by value and not by reference, so the following code will work...

<?php
$MyVar = new myClass();
$mydate = $MyVar->array[1];
?>

....but the following code won't...

<?php
$MyVar = new myClass();
$mydate = 'Mon';
$MyVar->array[1] = $mydate;
?>

....because the property $_array will never be manipulated.

Do you want to be able to manipulate the array in the object, or just
return the array?

--
Blah blah bleh...
GCS/CM d(-)@>-- s+:- !a C++$ UBL++++$ L+$ W+++$ w M++ Y++ b++

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[Message index]

		question about class getters By: daveh on Fri, 15 March 2013 15:42
		Re: question about class getters By: Salvatore on Fri, 15 March 2013 16:12
		Re: question about class getters By: daveh on Fri, 15 March 2013 16:48
		Re: question about class getters By: M. Strobel on Sat, 16 March 2013 11:06
		Re: question about class getters By: Jerry Stuckle on Fri, 15 March 2013 17:11
		Re: question about class getters By: daveh on Fri, 15 March 2013 17:53
		Re: question about class getters By: Jerry Stuckle on Fri, 15 March 2013 18:56
		Re: question about class getters By: Curtis Dyer on Thu, 21 March 2013 09:31
		Re: question about class getters By: Jerry Stuckle on Thu, 21 March 2013 12:55
		Re: question about class getters By: Christoph Becker on Thu, 21 March 2013 13:12
		Re: question about class getters By: Curtis Dyer on Sat, 23 March 2013 07:14
		Re: question about class getters By: Jerry Stuckle on Sat, 23 March 2013 12:46

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