Variables do not keep values after leaving function

[Matthew Robinson]

i set a variable while im in a function, but it does not keep its value
when returning to the place the function was called. is this something to
do with register_global s being off? is there anyway i can make the
variable keep its value when returning to the code where it branched from?
TIA (again)

function textsearch($the _items_descript ion){

$pos = strpos($the_ite ms_description, $search_for);
if ($the_items_des cription == "") {
$does_contain_t ext = true;
} else {
if ($pos === false) {
$does_contain_t ext = false;
} else {
$does_contain_t ext = true;
}
}
echo ("before leaving <BR>");
echo ("$does_contain _text");
echo ("<br>");
}

[Matthew Robinson]

Re: Variables do not keep values after leaving function

its the $does_contain_t ext variable that i want to keep the val of

[Boyd]

Re: Variables do not keep values after leaving function

In article <pan.2004.01.09 .23.49.41.29403 @hotmail.com>,
mattyrobinson69 @hotmail.com says...[color=blue]
> i set a variable while im in a function, but it does not keep its value
> when returning to the place the function was called. is this something to
> do with register_global s being off? is there anyway i can make the
> variable keep its value when returning to the code where it branched from?
> TIA (again)
>[/color]

global $varname;
--
*************** *************** ********
The Eldritch Dark:
Dedicated to Clark Ashton Smith

http://www.eldritchdark.com/

[Matthew Robinson]

Re: Variables do not keep values after leaving function

i fixed it, i just put $does_contain_t ext = true; at the start of the
file. thanks anyway .

[Matthew Robinson]

Re: Variables do not keep values after leaving function

i realised that what i tried wasn't working because it was always
evaluating to true, for some reason after global $does_contain_t ext; or
whatever my variable was called, it say's there's a parse error on the
first line that tried to assign the variable - $does_contain_t ext = true;

[steven mestdagh]

Re: Variables do not keep values after leaving function

Matthew Robinson <mattyrobinson6 9@hotmail.com> wrote:[color=blue]
> i set a variable while im in a function, but it does not keep its value
> when returning to the place the function was called. is this something to
> do with register_global s being off? is there anyway i can make the
> variable keep its value when returning to the code where it branched from?
> TIA (again)
>
> function textsearch($the _items_descript ion){
>
> $pos = strpos($the_ite ms_description, $search_for);
> if ($the_items_des cription == "") {
> $does_contain_t ext = true;
> } else {
> if ($pos === false) {
> $does_contain_t ext = false;
> } else {
> $does_contain_t ext = true;
> }
> }
> echo ("before leaving <BR>");
> echo ("$does_contain _text");
> echo ("<br>");
> }[/color]

why not return the variable you need? something like:

function myfunc($var1,$v ar2) {
// lines of code
$var_of_intrest = ...
return $var_of_intrest ;
}

$what_i_want = myfunc('var1val ue','var2value' );

note that, in your code, you are not passing $search_for to your
function but you do use it. if you do not pass it, you need to put
global $search_for
inside your function.

also, your if/else construction is strange...

maybe it is a good idea to read the beginning of the manual at least?

steven.

[Cecile Muller]

Re: Variables do not keep values after leaving function

In the function, it considers that it's a local variable unless told
otherwise, so you have to declare it as a global one: either by
putting in the function "global $does_contain_t ext;" or using the
$_GLOBALS['does_contain_t ext'] variable. Read
http://www.php.net/manual/en/languag...bles.scope.php for more
informations about it.