Re: isa vs. is_a (WAS: Re: [Phpwiki-talk] CVS ErrorManager.php patch)

[Reini U. <ru...@x-...>]

Dan Frankowski schrieb:
> Okay, please inform me more about isa(). It seems to throw an error for 
> me (PHP 4.3.2), and php.net documents is_a() but not isa().
> 
> However, when I "grep -r 'isa(' * | wc -l" I get 122 lines. Is that 122 
> bugs? Is there some way that isa() is supposed to work?

is_a is the php built in since, isa is our workaround (stdlib.php:1285), 
for older php's.

I added now a workaround which works if stdlib wasn't loaded also.

> Dan Frankowski wrote:
>> diff -b -u -r1.26 ErrorManager.php
>> --- ErrorManager.php    2 Jun 2004 18:01:45 -0000       1.26
>> +++ ErrorManager.php    10 Jun 2004 19:23:19 -0000
>> @@ -227,7 +227,7 @@
>>         }
>>         else if (($error->errno & error_reporting()) != 0) {
>>             if  (($error->errno & $this->_postpone_mask) != 0) {
>> -                if (isa($error,'PhpErrorOnce')) {
>> +                if (is_a($error,'PhpErrorOnce')) {
>>                     $error->removeDoublettes($this->_postponed_errors);
>>                     if ( $error->_count < 2 )
>>                         $this->_postponed_errors[] = $error;
>>
-- 
Reini Urban
http://xarch.tu-graz.ac.at/home/rurban/