i think i got it now :) i wont bother trying to explain my understanding, i think that will confuse the matter hehe
but i think mainly the usual rule, that if an apple and a banana are fruit, and a pear is the same as a banana, then a pear must be fruit too (AND I think im fruit loops....) bah im goin bananas, its time to go to band practise anyways, -- Luke "Robert Cummings" <[EMAIL PROTECTED]> wrote in message news:[EMAIL PROTECTED] > On Tue, 2004-01-20 at 23:00, Luke wrote: > > ok, i read the section, but even so > > > > if $a == $b > > and $a == $c > > then $b should be equal to $c > > No this is not true, since types conversions can be different between a > and b, a and c or between b and c. If you want the above logic to be > true then you must use === for equality based on type also. > > > but php is saying otherwise? > > PHPis following the rules of type conversion which are not necessarily > commutative (hope that's the right term). > > > this sounds confusing i want to try n get my head round it > > > > a string equals a integer of zero, > > A non-numeric string equals 0 by the rules of string to integer type > conversion (that's not entirely true since I think the first numerical > portion is the part converted as per atoi()). > > > and a string equals true, but the reason > > A non empty string equals true according to the rules of string to > boolean type conversion, unless (I think) the string is '0'. > > > the bool doesnt equal the int is because when the string and int are > > compared, the string is zero (because it has no numerical value)? > > You are talking about bool, string and int with respect to a bool-int > equality check. This is confusing, only two values can be compared. From > what hat did you pull the string? > > > did that make sense? am i right? > > You didn't make sense :) > > Cheers, > Rob. > -- > .------------------------------------------------------------. > | InterJinn Application Framework - http://www.interjinn.com | > :------------------------------------------------------------: > | An application and templating framework for PHP. Boasting | > | a powerful, scalable system for accessing system services | > | such as forms, properties, sessions, and caches. InterJinn | > | also provides an extremely flexible architecture for | > | creating re-usable components quickly and easily. | > `------------------------------------------------------------' -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
