Re: randomly picking a variable from an array

Which is more resource attentive however (Random question, not necessarily pertaining to this)? Making MySQL do extra work or PHP do some extra work? - k ----- Original Message ----- From: "King, Justin" <KingJ@superior.k12.wi.us> To: "Rasmus Lerdorf" <rasmus@php.net> Cc: <php-general@lists.php.net> Sent: Friday, September 07, 2001 4:19 PM Subject: RE: [PHP] randomly picking a variable from an array But that would make sense rasmus... and I don't like to make sense =)... if its an array filled from a database, randomizing on the database level would still be better though. --Justin King, School District of Superior Web Coordinator (www.superior.k12.wi.us) -----Original Message----- From: Rasmus Lerdorf [mailto:rasmus@php.net] Sent: Friday, September 07, 2001 3:13 PM To: King, Justin Cc: Joseph Bannon; php-general@lists.php.net Subject: RE: [PHP] randomly picking a variable from an array I'd say the easiest way would be to use array_rand() See http://php.net/array_rand -Rasmus On Fri, 7 Sep 2001, King, Justin wrote: > The easiest way I can think of would be to get a random number based on > the size of an array. If you're querying your database and filling an > array with all images, just use the database's random routine instead. > (I.E. "SELECT quote,author from randomQuote ORDER by RAND() LIMIT 1" in > mysql) > > If this isn't the case, something like this should work.. > > srand(time()); > $random=rand(0,sizeof($myVar)-1); > > Hope I could be of some help... > > --Justin King, School District of Superior Web Coordinator > (www.superior.k12.wi.us) > > > -----Original Message----- > From: Joseph Bannon [mailto:JBannon@advparadigm.com] > Sent: Friday, September 07, 2001 2:08 PM > To: PHP (E-mail) > Subject: [PHP] randomly picking a variable from an array > > How do you randomly picking a variable from an array with PHP? > > Thanks, > > Joseph > > > > > PS. Thanks to those who helped me with GD. If you go to my site, you'll > see > the new counter I created at the top of the page. > > http://www.collegesucks.com > > > > > > > > > > > > > > > > > > -- PHP General Mailing List (http://www.php.net/) To unsubscribe, e-mail: php-general-unsubscribe@lists.php.net For additional commands, e-mail: php-general-help@lists.php.net To contact the list administrators, e-mail: php-list-admin@lists.php.net