On 28 April 2010 10:57, Gary . <php-general@xxxxxxxxxxxxxxx> wrote:
> On 4/28/10, Jochem Maas wrote:
>>> >> class Pg_Error
>>> >> {
>>> const INTEGRITY_CONST_UNIQUE = '23505';
>>
>> this is a class constant
>>
>>> >> private static $errors =
>>> >> array(INTEGRITY_CONST_UNIQUE => 'uniqueness constraint
>>> violated');
> [...]
>> unfortunately you cannot use a classes
>> own
>> constants in the definition of the $errors var
>
> Huh? IWFM. Is it defined in the language that it does not work, or
> might not work depending on the runtime environment? IMO it should
> work (given the declaration order) but I know statics do have a
> tendency (certainly in other laguages) to be somewhat "special".
>
Shouldn't be any problems using a classes constants in the definition
of an array in the same class. However, to avoid possible extra work
down the line, I wouldn't use Pg_Error::YOUR_CONSTANT inside the
class, I'd use self::YOUR_CONSTANT
Regards
Peter
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