Re: getting variables from other functions

On Sunday 21 July 2002 06:20, Tim Luoma wrote: > I am just getting started with functions, and have checked the manual > and Core PHP Programming but I'm still missing something. > > > I have two functions in the same PHP file > > BTW "$SEARCHDATE" is in this format YYYYMMDD such as 20020720 for July > 20th, 2002 > > > function set_search_info ($SEARCHDATE) > { > global $SEARCHYEAR ; > global $SEARCHMONTH ; > global $SEARCHDAY ; > $SEARCHYEAR = substr("$SEARCHDATE", 0,4); > $SEARCHMONTH = substr("$SEARCHDATE", -4,-2); > $SEARCHDAY = substr("$SEARCHDATE", -2); > } > > > > function get_yesterday_info ($YESTERDAY) > { > > global $YESTERDAYHUMAN ; > global $YESTERDAYLINK ; > global $PREVIOUSCOMMENT ; > global $LINKBACK ; > > $YESTERDAYHUMAN = strftime("%B %d > %Y",mktime(0,0,0,$SEARCHMONTH,$SEARCHDAY-1,$SEARCHYEAR)); > > $YESTERDAYLINK = "&lt;&lt; <a > href=\"$SCRIPT?$YESTERDAY\">$YESTERDAYHUMAN</a>"; > > $PREVIOUSCOMMENT = Exec("/usr/bin/rdjpgcom images/$YESTERDAY.jpg"); > > $LINKBACK = "yes" ; > } > > > > But $YESTERDAYHUMAN keeps getting set to: November 29 1999 even though > $SEARCHYEAR and $SEARCHMONTH and $SEARCHDAY are set properly outside of > get_yesterday_info Did you print out $SEARCHMONTH & $SEARCHDAY to see what values they contained? This is a basic debugging technique that everyone should use. If you had did that you will see that they are both empty. Which means that you forgot to declare them as global. -- Jason Wong -> Gremlins Associates -> www.gremlins.com.hk Open Source Software Systems Integrators * Web Design & Hosting * Internet & Intranet Applications Development * /* Are you sure the back door is locked? */