Perry, Matthew (Fire Marshal's Office) wrote:
I am using PHP 4.3.1 and running Apache Server and MySQL.
The following question is probably only related to PHP.
Here is the problem:
I am passing the following string from one form to another:
../create.php?dest=Employee/menu_handleemployee.php?action=updateID=$ID
Here is the actual code:
form
action=../create.php?dest=Employee/menu_handleemployee.php?action=updateID
=?echo $ID;? method=post enctype=multipart/form-data
name=form1EMPLOYEE
When I view the source it comes out as expected:
form
action=../create.php?dest=Employee/menu_handleemployee.php?action=updateID
=82
method=post enctype=multipart/form-data name=formEMPLOYEE
But after it goes to the next page it turns into this:
../create.php?dest=Employee/menu_handleemployee.php?action=update
Everything up to and after the '' disappears!!
that because PHP sees your URL as having two GET vars:
dest=Employee/menu_handleemployee.php?action=update
ID=82
the ampersand is the default name/value pair seperator.
try using urlencode() [and urldecode() when you actually want to
redirect to that 'dest' url] on the redirect string when passing it
along in the URL (or form field)
e.g.
$action =
'../create.php?dest='.urlencode(Employee/menu_handleemployee.php?action=updateID=$ID);
and if that doesn't work try replacing the '' char with something else e.g.
$action =
'../create.php?dest='.str_replace('','$$',Employee/menu_handleemployee.php?action=updateID=$ID);
and then before your redirect to that url reverse the replacement e.g.:
header('location: ' .
str_replace('$$','',Employee/menu_handleemployee.php?action=updateID=$ID));
exit;
BTW: 2 dollar signs may not be the best choice of chars to use.
another way of tackling the issue is by looking at the contents of
$_SERVER (a auto superglobal var, just like $_GET, $_POST etc) - try:
print_r($_SERVER);
you'll be surprised what kinds of useful items are contained in that array.
while you're at it try:
print_r($_GET);
looking at the output of that will probably help you understand where
the 'ID' bit of the redirect url went.
RANT
print_r() is your friend USE IT!!! OFTEN!!!
sing this as a reminder When in doubt print it out
[ (tm) Wong Coding Industries ;-) ]
/RANT
The goal of this code is to send the redirect address to the form that
modifies my data.
I want variable dest to be used to dynamically redirect the page.
I have tried the following to fix the problem without avail:
1) I tried saving the variable in other ways such as text fields in the form
itself.
2) I tried addslashes() (which works well with similar problems related to
', etc.).
3) I tried adding \ before
4) I danced around my computer and threatened to pull the plug.
you forgot to wave the dead chicken around your head!
None of these worked!
What is it about '' that throws everything off with PHP variables? It
doesn't seem to be a problem with HTML.
its the default request name/value pair seperator.
This is exceedingly difficult to research online because '' is excluded
from most search engines automatically.
it's called an ampersand. which might help further searching.
-Matthew
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