Re: Re: strcmp() versus ==

2009/3/17 Shawn McKenzie <nospam@mckenzies.net>: > Shawn McKenzie wrote: >> Paul M Foster wrote: >>> I had never completely read over the rules with regard to comparisons in >>> PHP, and was recently alarmed to find that $str1 == $str2 might not >>> compare the way I thought they would. Is it common practice among PHP >>> coders to use strcmp() instead of == in making string comparisons? Or am >>> I missing/misreading something? >>> >>> Paul >>> >> >> I would use $str1 === $str2 if you want to make sure they are both >> strings and both the same value. >> >> Since PHP is loosely typed, "0" == 0 is true however "0" === 0 is >> false. >> > > If you want to force a string comparison you can also use: > > (string)$str1 == (string)$str2 > > -- > Thanks! > -Shawn > http://www.spidean.com > > -- > PHP General Mailing List (http://www.php.net/) > To unsubscribe, visit: http://www.php.net/unsub.php > > AFAIK strcmp and strncmp are faster. At least for the second i remember seeing benchmarks that proved that. -- Alpar Torok