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Re: question about class getters [message #180736 is a reply to message #180733]

Fri, 15 March 2013 17:11

Jerry Stuckle
Messages: 2598
Registered: September 2010

Karma:

Senior Member

On 3/15/2013 11:42 AM, David Heller wrote:
>
> Hello
>
> I have the following code snippet:
>
> Class myClass
>
> {
> public function makeArray()
> {
> $this->my_array = array('Mon', 'Tues', 'Wed', 'Thurs', 'Friday',
> 'Sat', 'Sun');
> }
> pubic function getArray()
> {
> return $this->my_array;
> }
> }
>
> and then do the following
>
> var $MyVar = new myClass();
> var $mydate = $MyVar->getArray[1];
> echo $mydate;
> => Mon
> will this work? If not how to make it work?
>
> Thanks,
>
> Dave
>

Not quite, for a couple of reasons. As Salvatore pointed out,
getArray() is a function, not a variable, so you need to code it as a
function. The other problem is you never called makeArray() and don't
have a constructor, so $my_array doesn't exist (also it should be
declared as a class variable).

Something like this should works:

class MyClass {
private $my_array;

public function __construct() { // Constructor
$this->my_array = array('Mon', 'Tues', 'Wed', 'Thurs', 'Friday',
'Sat', 'Sun');
}
public function getArray($i) {
if ($i >= 0 && $i < count($this->my_array)) // Verify index
return $this->my_array[$i];
else
return null; // Out of range
}
}

$myVar = new MyClass();
$mydate = $myVar->getArray(1); // Pass index as an argument
echo $mydate;

=> Tues

(PHP array indexes start with zero, not one).

--
==================
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Jerry Stuckle
JDS Computer Training Corp.
jstucklex(at)attglobal(dot)net
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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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