On Tuesday 11 February 2003 00:15, Geoff Caplan wrote: > Hi folks, > > A strange one - unless I am having a brainstorm... > > I am reading in tab delimited files created in Excel on Windows and > uploaded to Linux. > > Cell A1 contains a numeric id - I extract this into a variable, $id, > by exploding on \n and \t. > > But for some files, the values of $id do not behave as expected. Say > the value should be "23". > > If I echo, it prints as "23". But comparisons fail to match: > > if( $id == 23 ) ... > > It also fails if I try to find the value as a key in an > array: > > if( isset( $my_array[$id] ) ) ... > > On the other hand, values from some of the files work as expected. > > One clue: if I try and cast the values that are failing to int, the > cast produces the value 0 (zero). On the other hand, the values that > are working as expected cast from, say, the string 22 to the int 22 as > expected. > > Never seen anything like this before - can anyone give me a pointer??
If in doubt print it out (TM). Use var_dump() on the values in question. -- Jason Wong -> Gremlins Associates -> www.gremlins.biz Open Source Software Systems Integrators * Web Design & Hosting * Internet & Intranet Applications Development * ------------------------------------------ Search the list archives before you post http://marc.theaimsgroup.com/?l=php-general ------------------------------------------ /* It's better to burn out than to fade away. */ -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
