Re: detecting POST variables

maybe try... print "<pre>"; print_r($HTTP_POST_VARS); print "</pre>"; this will dump the entire post var array to the browser.. similar to functions before but faster. ---- Christian Haines Internet Developer MITOUSA. Branding Strategies for Visual & Interactive Design 102 Tynte Street North Adelaide SA 5006 e) christian@mitousa.com t) 08 8361 9022 f) 08 8361 9977 w) www.mitousa.com "Anup" <anup_patel@rogers.com> wrote in message news:20021008003825.98333.qmail@pb1.pair.com... > Here's the code > <?php > foreach ($HTTP_POST_VARS as $Index=>$Value) { > echo "DEBUG ::: POST Key: $Index; POST Value: $Value<br>\n"; > } > ?> > ### Here's the function (this is how what I catually use). > function PrintVars () { > global $HTTP_POST_VARS; > foreach ($HTTP_POST_VARS as $Index=>$Value) { > echo "DEBUG ::: POST Key: $Index; POST Value: $Value<br>\n"; > } > } > > The first snippet seems to work fine by itself, but if call it as a function > (as the latter snippet) then it doesn't print the variables. I have the POST > array defined as global (in the function), could that be why it takes out > the empty textbox variables? > > "Justin French" <justin@indent.com.au> wrote in message > news:B9C86100.1349B%justin@indent.com.au... > > on 08/10/02 9:13 AM, Anup (anup_patel@rogers.com) wrote: > > > > > Hello, I have been dealing with different form proccessing PHP scripts. > When > > > I start a new job I usually have a script that just takes the form POST > > > values and prints them to the screen, so I know what I'm working with. > Now > > > I have a question say the form has 1 field named "FirstName". If the > field > > > is left blank, sometimes my script will print the key and NO value, or > it > > > will just print out nothing, ie NO key or value. > > > > Are you certain this is happening on text fields? Typically text fields, > > password fields and textareas allways set a key, and no value of blank. > Ie: > > > > $_POST['FirstName'] = ''; > > > > Select boxes should always have a value set. > > > > Check boxes are only set IF the box was ticked. > > > > What I'd advise is that you make a quick form and test this out -- perhaps > > it was only checkboxes that were sometimes not being set? > > > > > > > any ideas. Could it be the server (IIS or Unix/Linux) of the form and > the > > > server (IIS or Unix/Linux) of the script.? > > > Since I do jobs for different people and environments any combination of > > > servers are possible. > > > > I've never experienced this problem on any environment -- FreeBSD, RedHat > or > > Windows. > > > > > > > The reason, for this post is that I don't know if I should always put > code > > > to check for validilty using isset all the time or should I put it in > just > > > in case the script gets moved. I want to pinpoint this so that I can > write > > > more effective code. > > > > You should be able to use isset() or empty() on text/password/textarea > form > > elements reliably. > > > > Write a SMALL test script, test it, and if it ain't working, post the code > > :) > > > > > > Justin > > > >