Re: strcmp()?

From: Date: Mon, 23 May 2011 13:32:41 +0000
Subject: Re: strcmp()?
References: 1 2 3 4 5 6  Groups: php.general 
Request: Send a blank email to php-general+get-313102@lists.php.net to get a copy of this message
On May 23, 2011, at 9:28 AM, Alex Nikitin wrote: > There is an interesting note in the comments for strcmp: > "Well, I am using PHP 4.0 and both strcmp and strcasecmp appear to be giving me very > arbitrary and incomprehensible results. When I input strings, it appears that "equal" > strings return "1", as well as some unequal strings, and that if the first argument is > "smaller" then I *tend* to get negative numbers, but sometimes I get 1, and if larger I > *tend* to get numbers larger than 1.. " > > > Guessing that earlier versions of php 4 and before would give the results that would have > values other then 1, 0, -1, i looked through the change log, but nothing immediately jumped out, > there was a lot of mbstring work done, and they did add the nat comparison functions, and play with > the pcre engine a bit, which could have caused this as an unintended result for a few versions, i > think though it was a bug at some point, so, maybe a php dev would chime in if they remember...? > > > -- Alex -- > -- > The trouble with programmers is that you can never tell what a programmer is doing until it’s > too late. ~Seymour Cray All this confusion makes me glad that I'm using === for equality checks instead of strcmp. Regards, -Josh ____________________________________ Joshua Kehn | Josh.kehn@gmail.com http://joshuakehn.com

« previous php.general (#313102) next »