"If you compare an integer with a string, the string is converted to a number. If you compare two numerical strings, they are compared as integers." Well... I just feel stupid now :)
I am writing something which is extracting parts of a crontab. The variable contained "*" was being compared to 0. This would have clicked for me had it been anything else, but because it was "*" my thoughts were that there was some new wild-card thing going on that I hadn't heard about. Cheers guys and sorry for my dumb post! Scott -----Original Message----- From: Pierre Joye [mailto:[EMAIL PROTECTED] Sent: Tuesday, March 11, 2008 8:25 PM To: Scott McNaught [Synergy 8] Cc: internals@lists.php.net Subject: Re: [PHP-DEV] Comparison: ('*' == 0) ... True or false On Tue, Mar 11, 2008 at 11:17 AM, Scott McNaught [Synergy 8] <[EMAIL PROTECTED]> wrote: > Hey guys, > > I don't know whether to post this as a bug or not. But I was tricked when programming today. > > It seems that the character "*" is non-strictly equivalent to 0. Is this the correct behavior or am I missing something? > > Test case: > > <?php > > var_dump('*' == 0); > > ?> > > Shows boolean(true). > > I was unable to find any documentation as to why this would be the case. http://www.php.net/manual/en/language.operators.comparison.php -- Pierre http://blog.thepimp.net | http://www.libgd.org -- PHP Internals - PHP Runtime Development Mailing List To unsubscribe, visit: http://www.php.net/unsub.php -- PHP Internals - PHP Runtime Development Mailing List To unsubscribe, visit: http://www.php.net/unsub.php
