[PHP] Extending Exception
Ok, so taking the sample code that is on the page http://us3.php.net/manual/en/language.exceptions.extending.php Literally, just cutting and pasting the code. When I try to throw new Exception( 'My Message' ); PHP spits out the following fatal error: Fatal error: Wrong parameters for Exception([string $exception [, long $code ]]) and the line number it dies on is the line in the MyException::__construct() where it is calling the parent's constructor. So what's going on? Is the documentation wrong? Is this a bug? Am I doing something wrong? I'm using PHP 5.2.9. thnx, Christoph -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP] Extending Exception
On Wed, 2010-07-21 at 11:10 -0400, Christoph Boget wrote: Ok, so taking the sample code that is on the page http://us3.php.net/manual/en/language.exceptions.extending.php Literally, just cutting and pasting the code. When I try to throw new Exception( 'My Message' ); PHP spits out the following fatal error: Fatal error: Wrong parameters for Exception([string $exception [, long $code ]]) and the line number it dies on is the line in the MyException::__construct() where it is calling the parent's constructor. So what's going on? Is the documentation wrong? Is this a bug? Am I doing something wrong? I'm using PHP 5.2.9. thnx, Christoph Well, it's not really a copy and paste job, as you've omitted the second argument to the Exception method, which is what the error is complaining about. Thanks, Ash http://www.ashleysheridan.co.uk
Re: [PHP] Extending Exception
On 21 July 2010 16:10, Christoph Boget jcbo...@hotmail.com wrote:
Ok, so taking the sample code that is on the page
http://us3.php.net/manual/en/language.exceptions.extending.php
Literally, just cutting and pasting the code. When I try to
throw new Exception( 'My Message' );
PHP spits out the following fatal error:
Fatal error: Wrong parameters for Exception([string $exception [, long $code
]])
and the line number it dies on is the line in the
MyException::__construct() where it is calling the parent's
constructor. So what's going on? Is the documentation wrong? Is
this a bug? Am I doing something wrong?
I'm using PHP 5.2.9.
thnx,
Christoph
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As of V5.3.0, exceptions can be nested [1].
The example code will generate the following errors.
V5.0.x : Fatal error: Argument 3 must not be null
V5.1.0 - V5.1.1 : Fatal error: Wrong parameter count for
exception([string $exception [, long $code ]])
V5.1.1 - V5.2.x : Fatal error: Wrong parameters for Exception([string
$exception [, long $code ]])
The nesting is controlled by the 3rd parameter to the constructor.
Removing this will allow the code to work on your version.
?php
class MyException extends Exception
{
// Redefine the exception so message isn't optional
public function __construct($message, $code = 0) {
// some code
// make sure everything is assigned properly
parent::__construct($message, $code);
}
// custom string representation of object
public function __toString() {
return __CLASS__ . : [{$this-code}]: {$this-message}\n;
}
public function customFunction() {
echo A custom function for this type of exception\n;
}
}
?
Regards,
Richard Quadling.
[1] http://us3.php.net/manual/en/migration53.new-features.php
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Re: [PHP] Extending Exception
On 21 July 2010 16:14, Ashley Sheridan a...@ashleysheridan.co.uk wrote: On Wed, 2010-07-21 at 11:10 -0400, Christoph Boget wrote: Ok, so taking the sample code that is on the page http://us3.php.net/manual/en/language.exceptions.extending.php Literally, just cutting and pasting the code. When I try to throw new Exception( 'My Message' ); PHP spits out the following fatal error: Fatal error: Wrong parameters for Exception([string $exception [, long $code ]]) and the line number it dies on is the line in the MyException::__construct() where it is calling the parent's constructor. So what's going on? Is the documentation wrong? Is this a bug? Am I doing something wrong? I'm using PHP 5.2.9. thnx, Christoph Well, it's not really a copy and paste job, as you've omitted the second argument to the Exception method, which is what the error is complaining about. Thanks, Ash http://www.ashleysheridan.co.uk Ashley, the second argument is optional, hence the [] around the [, long $code]. The issue is one of BC as I've described above. Removing the BC allows the code to work as documented. -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP] Extending Exception
On 21 July 2010 16:30, Christoph Boget jcbo...@hotmail.com wrote: [1] http://us3.php.net/manual/en/migration53.new-features.php Thanks for this. And thanks for your explanation. I think it would have been nice for there to have been some mention anywhere near/around example #2 on http://us3.php.net/manual/en/language.exceptions.extending.php to have mentioned it would only work on 5.3+. :/ Again, thanks. thnx, Christoph http://svn.php.net/viewvc?view=revisionrevision=301446 -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
