[PHP] [Class] Behaviour global variables

[Tim Stoop]

Hi there,

I'm forgetting something, but I can't seem to get to it... Consider the 
following Class.

class Test
{
var $a;
var $b;

function Test()
{
$this-a = 2;
$this-b = 5;
}

function Show()
{
global $a, $b;

echo(a: .$a);
echo(a: .$this-a);
echo(b: .$b);
echo(b: .$this-b);
}
}

After proper initialisation, calling the function Show() gives:

a:
a: 2
b:
b: 5

What am I forgetting here? Tia for answers!

-- 
Kind regards,
Tim

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RE: [PHP] [Class] Behaviour global variables

[Richard Black]

Not done any OO stuff with PHP, but I would hazard a guess that the
problem is one of scope.

Rather than global making available class variables, it makes available
GLOBAL variables. And I'm guessing there isn't a global variable a or b,
which is why they show up blank.

HTH,

Richy
==
Richard Black
Systems Programmer, DataVisibility Ltd - http://www.datavisibility.com
Tel: 0141 435 3504
Email: [EMAIL PROTECTED] 

-Original Message-
From: Tim Stoop [mailto:[EMAIL PROTECTED]] 
Sent: 14 August 2002 14:27
To: [EMAIL PROTECTED]
Subject: [PHP] [Class] Behaviour global variables


Hi there,

I'm forgetting something, but I can't seem to get to it... Consider the 
following Class.

class Test
{
var $a;
var $b;

function Test()
{
$this-a = 2;
$this-b = 5;
}

function Show()
{
global $a, $b;

echo(a: .$a);
echo(a: .$this-a);
echo(b: .$b);
echo(b: .$this-b);
}
}

After proper initialisation, calling the function Show() gives:

a:
a: 2
b:
b: 5

What am I forgetting here? Tia for answers!

-- 
Kind regards,
Tim

-- 
PHP General Mailing List (http://www.php.net/)
To unsubscribe, visit: http://www.php.net/unsub.php


-- 
PHP General Mailing List (http://www.php.net/)
To unsubscribe, visit: http://www.php.net/unsub.php

Re: [PHP] [Class] Behaviour global variables

[Bas Jobsen]

$TEST= new TEST;
$a=3;
$b=4;
$TEST-Show();

works, fine

better to use $GLOBALS['a'] instead of global $a

Op woensdag 14 augustus 2002 15:27, schreef Tim Stoop:
 Hi there,

 I'm forgetting something, but I can't seem to get to it... Consider the
 following Class.

 class Test
 {
 var $a;
 var $b;

 function Test()
 {
 $this-a = 2;
 $this-b = 5;
 }

 function Show()
 {
 global $a, $b;

 echo(a: .$a);
 echo(a: .$this-a);
 echo(b: .$b);
 echo(b: .$this-b);
 }
 }

 After proper initialisation, calling the function Show() gives:

 a:
 a: 2
 b:
 b: 5

 What am I forgetting here? Tia for answers!

-- 
PHP General Mailing List (http://www.php.net/)
To unsubscribe, visit: http://www.php.net/unsub.php