Re: array key's: which is correct?

On Tue, 2010-06-08 at 09:38 -0400, Robert Cummings wrote: > Tanel Tammik wrote: > > Hi, > > > > which one is correct or "better"? > > > > $array[3] = ''; > > or > > $array['3'] = ''; > > > > $i = 7; > > > > $array[$i] = ''; > > or > > $array["$i"] = ''; > > Sometimes it is good to illustrate the correct answer: > > <?php > > $array = array > ( > '1' => '1', > '2' => '2', > 'three' => 'three', > '4.0' => '4.0', > 5.0 => 5.0, > ); > > var_dump( array_keys( $array ) ); > > ?> > > The answer is surprising (well, not really :) and certainly advocates > against making literal strings of integers or manually converting a > string integer to a real integer or using floating point keys. > > Cheers, > Rob. > -- > E-Mail Disclaimer: Information contained in this message and any > attached documents is considered confidential and legally protected. > This message is intended solely for the addressee(s). Disclosure, > copying, and distribution are prohibited unless authorized. > Yeah, I found that out the hard way when I was trying to make an array of Gantt tasks, and realised that all my nice task numbers were changed! Thanks, Ash http://www.ashleysheridan.co.uk