On Sat, 2009-01-31 at 08:38 -0500, Eric Butera wrote: > On Sat, Jan 31, 2009 at 7:32 AM, Ashley Sheridan > <ash@xxxxxxxxxxxxxxxxxxxx> wrote: > > On Fri, 2009-01-30 at 21:33 -0500, Eric Butera wrote: > >> On Fri, Jan 30, 2009 at 9:28 PM, Ron Piggott <ron.php@xxxxxxxxxxxxxxxxxx> wrote: > >> > How do I determine the value of tx from this string? > >> > > >> > > >> > page/words_from_the_well_checkout/?tx=8UM53005HH344951T&st=Completed&amt=0.01 > >> > > >> > My desired answer is: 8UM53005HH344951T > >> > > >> > I am trying to capture the serial number which follows tx= and ends > >> > immediately before the & > >> > > >> > Ron > >> > > >> > >> http://us.php.net/parse_str > >> > >> -- > >> http://www.voom.me | EFnet: #voom > >> > > Go regular expressions... > > > > /tx=([^\&]+)/ > > > > then do a preg_match with the string using the $matches array argument. > > $matches[1] should be your value. > > > > > > Ash > > www.ashleysheridan.co.uk > > > > > > There really isn't a need to even try to build something like that > when something already exists exactly for the purpose. It's well > documented too. Plus after this part works, there's probably a good > chance we'd be looking for that second variable. =) > > -- > http://www.voom.me | EFnet: #voom > But isn't what you suggest to use only available in PHP5? When possible, I try to build for PHP4, as my own hosting, and others I've seen only support 4, and the old answer of "find a better hosting" is not always a good solution. Besides, if you need the second part of the URL, just adapt the regular expression a bit. I don't why people seem so afraid of them to be honest. Ash www.ashleysheridan.co.uk -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
