Re: [PHP4BETA] suggestion for new function str_change(string

On Sat, 20 Nov 1999, Rasmus Lerdorf wrote: > > At 09:37 AM 11/20/99 -0500, Rasmus Lerdorf wrote: > > > str,array transtable [,bool reverse]) > > >In-Reply-To: <4.2.0.58.19991120163254.00b2f2e0@mail.zend.com> > > >Message-ID: <Pine.WNT.4.21.9911200935490.-929693@lithium.jetpen.com> > > >X-X-Sender: rasmus@imap3.bellglobal.com > > >MIME-Version: 1.0 > > >Content-Type: TEXT/PLAIN; charset=US-ASCII > > > > > > > By the way, I wouldn't have a rule for collisions. You'll just make > > > > things > > > > complicated and it won't be very useful in any case. > > > > > >What do you mean no rule? You have to do something in order to determine > > >which value to put in the flipped element slot. > > > > Well I mean I wouldn't give different options. I'd either stick to the > > "first come win" rule or the "overwrite" rule. > > Having three different options would just make the function obscure and I > > personally can't think how they would be used. It's very hard to make any > > rules about such things. > > Well, I was just going by what I have written array flipping functions to > do in the past. Most of the time when I flip an array it is because I am > doing some sort of bucket algorithm where I want to count the number of > items in each bucket. Figured it would be cool if this function could do > that too. But you are right, it migt be too much overloading for one > function. It could get a separate name and behind the scenes it could use > the same code with an interna flag. > > -Rasmus i have added array_count_values() some time ago - use that for that;-) i'll implement array_flip(). for the sake of simplicity the last value (in this case the last key) will win. we can easily improve that later - but right now my goal is to have a nice forward<->backward string-translator using the "new" strtr() stuff. tc > > > -- > PHP 4.0 Beta Mailing List <http://www.php.net/version4/> > To unsubscribe, e-mail: php4beta-unsubscribe@lists.php.net > For additional commands, e-mail: php4beta-help@lists.php.net > To contact the list administrators, e-mail: php4beta-admin@lists.php.net > > Thies C. Arntzen "One Big-Mac, Small Fries and a Coke!" Digital Collections Phone +49 40 235350 Fax +49 40 23535180 Hammerbrookstr. 93 20097 Hamburg / Germany