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Re: initial value [message #171171 is a reply to message #171158]

Tue, 28 December 2010 20:41

Chuck Anderson
Messages: 63
Registered: September 2010

Karma:

Member

Helmut Chang wrote:
> Am 28.12.2010 17:30, schrieb richard:
>> $year=$_GET(yearID)
>> echo $year
>>
>> Works just fine except for one thing.
>
> Don't think so.
>
> 1. $_GET is an array and elements in an array are accessed by square
> brackets:
>
> $_GET[] not $_GET()
>
> 2. As long, as yearID is not defined as constants, but you mean the
> string 'yearID', you should use '':
>
> $_GET['yearID'] instead of $_GET[yearID]
>
>> When the page is initially loaded, there is nothing in the space.
>> I want to show a year in the space as the default.
>> So that $year should have a value other than null.
>> How is that done?
>
> In initializing the variable with a default value:
>
> $year = 2010;

Just a minor addition. Make it perpetual and change that to:

$year = date('Y);

And note: The word "initial" in the subject is they key here. Even
though Php does not require it, it is always best to initialize
("define") your variables before using them, usually near the top of the
script where it easy to see what variables are used (documentation).

>
> if (isset($_GET['yearID']))
> $year = $_GET['yearID'];
>

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[Message index]

		initial value By: richard on Tue, 28 December 2010 16:30
		Re: initial value By: Luuk on Tue, 28 December 2010 16:44
		Re: initial value By: Luuk on Tue, 28 December 2010 17:08
		Re: initial value By: richard on Tue, 28 December 2010 17:15
		Re: initial value By: Denis McMahon on Tue, 28 December 2010 20:01
		Re: initial value By: Norman Peelman on Wed, 29 December 2010 00:20
		Re: initial value By: Norman Peelman on Wed, 29 December 2010 11:48
		Re: initial value By: Captain Paralytic on Tue, 28 December 2010 16:47
		Re: initial value By: richard on Tue, 28 December 2010 17:16
		Re: initial value By: Captain Paralytic on Tue, 28 December 2010 17:25
		Re: initial value By: richard on Tue, 28 December 2010 19:02
		Re: initial value By: Sherm Pendley on Tue, 28 December 2010 20:57
		Re: initial value By: Captain Paralytic on Tue, 28 December 2010 22:32
		Re: initial value By: Evan Platt on Wed, 29 December 2010 04:39
		Re: initial value By: Leonardo Azpurua on Thu, 30 December 2010 03:05
		Re: initial value By: Helmut Chang on Tue, 28 December 2010 17:20
		Re: initial value By: Captain Paralytic on Tue, 28 December 2010 17:37
		Re: initial value By: Luuk on Tue, 28 December 2010 18:04
		Re: initial value By: Kim Andr Aker on Tue, 28 December 2010 18:13
		Re: initial value By: Luuk on Tue, 28 December 2010 18:22
		Re: initial value By: Beauregard T. Shagnas on Tue, 28 December 2010 18:59
		Re: initial value By: richard on Tue, 28 December 2010 19:24
		Re: initial value By: Beauregard T. Shagnas on Tue, 28 December 2010 19:55
		Re: initial value By: Kim Andr Aker on Wed, 29 December 2010 07:15
		Re: initial value By: Evan Platt on Wed, 29 December 2010 16:57
		Re: initial value By: Kim Andr Aker on Thu, 30 December 2010 01:30
		Re: initial value By: richard on Tue, 28 December 2010 19:06
		Re: initial value By: Captain Paralytic on Tue, 28 December 2010 22:34
		Re: initial value By: Thomas 'PointedEars' on Wed, 29 December 2010 00:04
		Re: initial value By: Tim Streater on Wed, 29 December 2010 22:41
		Re: initial value By: Chuck Anderson on Tue, 28 December 2010 20:41

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