Passing objects from one page to another

[Marcel]

I have a person class adn i want to derive an object of that class on one
page and pass that object to a next page but that does not work for me and i
do not understand why.

Here is de code:

class.person.ph p
-----------------------------------
class person {

private $_name;

public function setName($name) {

$this->_name = $name;

}

public function getName() {

return $this->_name;

}

}
--------------------------------------------



person1.php // here is the object created
-------------------------------------------
require_once("c lass.person.php ");

$p = new person();

$p->setName("Jim") ;

$safep = urlencode(seria lize($p));

header("Locatio n:person2.php?d ata=".$safep);

exit;


person2.php // page where the object is transfered to
---------------------------------------------------
require_once("c lass.person.php ");

$p = unserialize(url decode($_GET['data']));

echo $p->getName();

[ZeldorBlat]

Re: Passing objects from one page to another


Marcel wrote:

I have a person class adn i want to derive an object of that class on one
page and pass that object to a next page but that does not work for me and i
do not understand why.
>
Here is de code:
>
class.person.ph p
-----------------------------------
class person {
>
private $_name;
>
public function setName($name) {
>
$this->_name = $name;
>
}
>
public function getName() {
>
return $this->_name;
>
}
>
}
--------------------------------------------
>
>
>
person1.php // here is the object created
-------------------------------------------
require_once("c lass.person.php ");
>
$p = new person();
>
$p->setName("Jim") ;
>
$safep = urlencode(seria lize($p));
>
header("Locatio n:person2.php?d ata=".$safep);
>
exit;
>
>
person2.php // page where the object is transfered to
---------------------------------------------------
require_once("c lass.person.php ");
>
$p = unserialize(url decode($_GET['data']));
>
echo $p->getName();

Difficult to say since you haven't told us what doesn't work. As in
you get some error that you can't unserialize it? Or no error at all
(as in your error reporting is turned off)?

My guess would be that
$p = unserialize(url decode($_GET['data']));
should really be just
$p = unserialize($_G ET['data']);

But I didn't test it.

[Marcel]

Re: Passing objects from one page to another


"ZeldorBlat " <zeldorblat@gma il.comschreef in bericht
news:1162998447 .934912.233680@ i42g2000cwa.goo glegroups.com.. .

>
Marcel wrote:

>I have a person class adn i want to derive an object of that class on one
>page and pass that object to a next page but that does not work for me
>and i
>do not understand why.
>>
>Here is de code:
>>
>class.person.p hp
>-----------------------------------
>class person {
>>
> private $_name;
>>
> public function setName($name) {
>>
> $this->_name = $name;
>>
> }
>>
> public function getName() {
>>
> return $this->_name;
>>
> }
>>
>}
>--------------------------------------------
>>
>>
>>
>person1.php // here is the object created
>-------------------------------------------
>require_once(" class.person.ph p");
>>
>$p = new person();
>>
>$p->setName("Jim") ;
>>
>$safep = urlencode(seria lize($p));
>>
>header("Locati on:person2.php? data=".$safep);
>>
>exit;
>>
>>
>person2.php // page where the object is transfered to
>---------------------------------------------------
>require_once(" class.person.ph p");
>>
>$p = unserialize(url decode($_GET['data']));
>>
>echo $p->getName();

>
Difficult to say since you haven't told us what doesn't work. As in
you get some error that you can't unserialize it? Or no error at all
(as in your error reporting is turned off)?
>
My guess would be that
$p = unserialize(url decode($_GET['data']));
should really be just
$p = unserialize($_G ET['data']);
>
But I didn't test it.
>

Yes you are right, the errorcode i am getting is:

Fatal error: Call to a member function getName() on a non-object in
D:\public_html\ person2.php on line 7

Regards,

Marcel

[Marcin Dobrucki]

Re: Passing objects from one page to another

Marcel wrote:

I have a person class adn i want to derive an object of that class on one
page and pass that object to a next page but that does not work for me and i
do not understand why.

....
I tried this code, and it works just fine. You didn't include the rest
of the code, so maybe there is something there that breaks it?

<?php
class A {
var $name;
function A($name) {
$this->name = $name; }
function getName() {
return $this->name; }
}

$a = new A("my name");
$a_serialized = urlencode(seria lize($a));
header("Locatio n: obj2.php?data=" .$a_serialized) ;
?>

and:

<?php
class A {
var $name;
function A($name) {
$this->name = $name; }
function getName() {
return $this->name; }
}

$a = unserialize(url decode($_GET['data']));
echo get_class($a);
echo "<br>";
echo $a->getName();
?>

[Marcin Dobrucki]

Re: Passing objects from one page to another

Marcel wrote:

Yes you are right, the errorcode i am getting is:
>
Fatal error: Call to a member function getName() on a non-object in
D:\public_html\ person2.php on line 7

One step at a time: what do you get out of "urldecode" and then what
do you get from "unserializ e"? Check the return values.

[Marcel]

Re: Passing objects from one page to another


"Marcin Dobrucki" <Marcin.Dobruck i@TAKETHISAWAY. nokia.comschree f in
bericht news:lJm4h.4249 0$_k2.774821@ne ws2.nokia.com.. .

Marcel wrote:

>I have a person class adn i want to derive an object of that class on one
>page and pass that object to a next page but that does not work for me
>and i do not understand why.

...
I tried this code, and it works just fine. You didn't include the rest of
the code, so maybe there is something there that breaks it?
>
<?php
class A {
var $name;
function A($name) {
$this->name = $name; }
function getName() {
return $this->name; }
}
>
$a = new A("my name");
$a_serialized = urlencode(seria lize($a));
header("Locatio n: obj2.php?data=" .$a_serialized) ;
?>
>
and:
>
<?php
class A {
var $name;
function A($name) {
$this->name = $name; }
function getName() {
return $this->name; }
}
>
$a = unserialize(url decode($_GET['data']));
echo get_class($a);
echo "<br>";
echo $a->getName();
?>

Hi Marcin,

I tried your example but i am getting the same error: Call to a member
function getName() on a non-object in

Maybe it is a php.ini issue? I do not know what can be another reason....
maybe magicquotes have to do something with this?

Do you have any ideas?

Marcel

[Marcel]

Re: Passing objects from one page to another


"Marcin Dobrucki" <Marcin.Dobruck i@TAKETHISAWAY. nokia.comschree f in
bericht news:VKm4h.4249 1$_k2.774821@ne ws2.nokia.com.. .

Marcel wrote:
>

>Yes you are right, the errorcode i am getting is:
>>
>Fatal error: Call to a member function getName() on a non-object in
>D:\public_html \person2.php on line 7

>
One step at a time: what do you get out of "urldecode" and then what do
you get from "unserializ e"? Check the return values.

It seems the unserialize function does not seem to work properly... i will
do a little research at that first ok...

[thehuby@gmail.com]

Re: Passing objects from one page to another

Wouldn't you be better using sessions?

If you register a session variable you won't need to use the query
string and you won't need to serialize and deserialise it.

Take a look at http://uk2.php.net/manual/en/ref.session.php for some
more details.

Rick

https://www.e-connected.com

[Michael Fesser]

Re: Passing objects from one page to another

..oO(Marcel)

>I tried your example but i am getting the same error: Call to a member
>function getName() on a non-object in

error_reporting set to E_ALL? What browser do you use?

>Maybe it is a php.ini issue? I do not know what can be another reason....
>maybe magicquotes have to do something with this?

First you should fix the error in the redirect. The Location header
requires an absolute URL.

Micha

[Marcel]

Re: Passing objects from one page to another


"Marcin Dobrucki" <Marcin.Dobruck i@TAKETHISAWAY. nokia.comschree f in
bericht news:VKm4h.4249 1$_k2.774821@ne ws2.nokia.com.. .

Marcel wrote:
>

>Yes you are right, the errorcode i am getting is:
>>
>Fatal error: Call to a member function getName() on a non-object in
>D:\public_html \person2.php on line 7

>
One step at a time: what do you get out of "urldecode" and then what do
you get from "unserializ e"? Check the return values.

The unserialize function in person2.php did not return anything. I tried all
scripts on another server with the same PHP version installed and there
everything just worked fine. One difference i can think of is the fact that
the server where my script did not work is protected trough https

[Marcin Dobrucki]

Re: Passing objects from one page to another

Michael Fesser wrote:

First you should fix the error in the redirect. The Location header
requires an absolute URL.

True. But it seems to work with relative URLs as well.

[Jerry Stuckle]

Re: Passing objects from one page to another

Marcel wrote:

"Marcin Dobrucki" <Marcin.Dobruck i@TAKETHISAWAY. nokia.comschree f in
bericht news:VKm4h.4249 1$_k2.774821@ne ws2.nokia.com.. .
>

>>Marcel wrote:
>>
>>

>>>Yes you are right, the errorcode i am getting is:
>>>
>>>Fatal error: Call to a member function getName() on a non-object in
>>>D:\public_ht ml\person2.php on line 7

>>
> One step at a time: what do you get out of "urldecode" and then what do
>>you get from "unserializ e"? Check the return values.

>
>
The unserialize function in person2.php did not return anything. I tried all
scripts on another server with the same PHP version installed and there
everything just worked fine. One difference i can think of is the fact that
the server where my script did not work is protected trough https
>
>

Marcel,

http vs. https shouldn't make a difference, unless you're trying to mix
the two. That is, storing it in the session when using http and reading
it back with https (or vice versa).

Also, is the domain *exactly* the same? i.e. you don't have one as
www.example.com and the other as example.com?

--
=============== ===
Remove the "x" from my email address
Jerry Stuckle
JDS Computer Training Corp.
jstucklex@attgl obal.net
=============== ===

[Michael Fesser]

Re: Passing objects from one page to another

..oO(Marcin Dobrucki)

>Michael Fesser wrote:

>First you should fix the error in the redirect. The Location header
>requires an absolute URL.

>
True. But it seems to work with relative URLs as well.

A bug is a bug and should be fixed, especially if you're searching for
the reason of another bug, which could be caused by the first.

Micha

[Jerry Stuckle]

Re: Passing objects from one page to another

Michael Fesser wrote:

.oO(Marcin Dobrucki)
>
>

>>Michael Fesser wrote:
>>

>>>First you should fix the error in the redirect. The Location header
>>>requires an absolute URL.

>>
> True. But it seems to work with relative URLs as well.

>
>
A bug is a bug and should be fixed, especially if you're searching for
the reason of another bug, which could be caused by the first.
>
Micha

Yep, bugs need to be fixed. But how many times do people have to tell
you that PHP is working exactly according to the RFC's?

Additionally, it's not just PHP. It's every browser on the market.
Session ID's are kept in cookies. And even the browsers agree that
example.com is not the same as www.example.com - and will not send a
cookie generated by one host to the other.

If you don't like it, fine. Put in your own RFC and get the entire
internet to change. But don't keep complaining about it being a bug
just because it doesn't work like *you* would like it to. It's been
like that for almost 40 years, since it was arpanet. I know for sure it
was like that in the early 70's when I was on arpanet. And that's the
way it's designed to work.

As much as I hate to tell you, the internet does NOT revolve around Micha.

--
=============== ===
Remove the "x" from my email address
Jerry Stuckle
JDS Computer Training Corp.
jstucklex@attgl obal.net
=============== ===

[Michael Fesser]

Re: Passing objects from one page to another

..oO(Jerry Stuckle)

>If you don't like it, fine. Put in your own RFC and get the entire
>internet to change. But don't keep complaining about it being a bug
>just because it doesn't work like *you* would like it to.

RFC 2616, section 14.30 "Location":

| The field value consists of a single absolute URI.

Micha