On Thu, 2006-09-21 at 19:26 +0200, Martin Bach Nielsen wrote:
> Hi all.
>
> If you look at the code below, the return() does not produce any output.
> No errors were displayed on screen before I added 'error_reporting(E_ALL);'.
> (Error message: Notice: Undefined variable: this in /oop/test1/index.php on
> line 35, commented on below)
> Trying to echo/print ordinary text or variables works fine.
>
> I have some experience coding PHP scripts, but are new on how-to use/write
> OOP scripts. (Sample found at: http://www.purephotoshop.com/view.php?id=71)
>
> Here's the Code:
> <?php
> error_reporting(E_ALL);
> class Bike
> {
> var $num_speeds, $speed;
> var $rotation;
> var $running = FALSE; // You can set default values for properties,
> these values must be constant
> // Change speed method
> function change_speed( $increment = TRUE )
> {
> // ...
> }
> // Pedal and brake methods
> function pedal()
> {
> // ...
> }
> function brake()
> {
> // ...
> }
> // Turn method
> function turn( $angle )
> {
> // ...
> }
> }
> // Inside the change_speed() method
> if( !$this->running ) // This is line 35
You're not within a class method.
Cheers,
Rob.
> {
> return;
> }
>
> if( $increment && $this->speed != $this->num_speeds )
> {
> $this->speed++;
> return;
> }
>
> if( $this->speed != 1 )
> {
> $this->speed--;
> }
> ?>
>
> I will be thankful for any help/hints that leads to a solution. If anymore
> info are needed, please let me know.
>
>
> Regards,
> Martin
>
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