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Re: pagination driving me insane [message #174644 is a reply to message #174624] Thu, 23 June 2011 17:24 Go to previous messageGo to previous message
Co is currently offline  Co
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Registered: May 2011
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On 22 jun, 19:17, Jerry Stuckle <jstuck...@attglobal.net> wrote:
> On 6/22/2011 12:57 PM, Co wrote:
>
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>> On 22 jun, 17:54, Jerry Stuckle<jstuck...@attglobal.net>  wrote:
>>> On 6/22/2011 8:50 AM, Co wrote:>>>  Marco
>
>>>> > So, make up your mind.  Do GET or POST - don't try to do both.
>
>>>> > And once again - look at what you have in your $_GET and $_POST arrays,
>>>> > and use them to trace through the code.  Figure out what it's doing.
>
>>>   >  Jerry,
>
>>>   >  i need the POST to search in my members accounts.
>>>   >  The problem is that PHP loses the query I run when I goto the next
>>>   >  page.
>>>   >  I preferred using a session variable but I wasn't able to get rit of
>>>   >  the variable after I filled it. So everytime when I come back to the
>>>   >  page it will automatically use the session variable again.
>>>   >  Or is there a way to clear the session variable when I load the page?
>
>>>   >  Marco
>
>>> <Top posting fixed>
>
>>> No, it's no longer there because the browser didn't send it.  PHP didn't
>>> lose anything.  From the browser's point of view, each page is a new
>>> request to the server, and the browser sends only what you tell it to send.
>
>>> What you need to do is determine if this a new search or a continuation
>>> of the previous search (i.e. display the next page).  If the former,
>>> clear your old $_SESSION values (if any) and put new ones in there and
>>> display the first page.  If the latter, use the data stored in the
>>> $_SESSION and display the next page of the search.
>
>>> There are any number of ways to determine if it is a continuation page;
>>> i.e. the $_GET or $_POST value has "page=next" or "page=3" in it; the
>>> current page number is in a hidden field in the form or similar.  A new
>>> search wouldn't have those values.
>
>> I will try to work on that.
>> But can I clear the session before I open the page so that an
>> older session that I used ealier will be cleared until I hit the
>> submit button? I don't want to clear the whole sessions just the one
>> variable.
>
>> Marco
>
> You can unset() any element you want in the $_SESSION array.  But you
> can't do ANYTHING until the user requests a page - your code doesn't get
> invoked until that time.
>
> --
> ==================
> Remove the "x" from my email address
> Jerry Stuckle
> JDS Computer Training Corp.
> jstuck...@attglobal.net
> ==================

I have been trying the following code but I get an error when I click
the next page on my form:

if(isset($_POST['listByq']) && $_POST['listByq'] != "add") {
unset($_SESSION['listByq']);
$option = "";
$_SESSION['listByq'] = $_POST['listByq'];
}

if(isset($_SESSION['listByq'])) {
$option = $_SESSION['listByq'];
if ($option == "by_country") {

$country = $_POST['country'];

$queryString = "WHERE country='$country' AND email_activated='1'";
$queryMsg = "Showing Members from the country you searched for";

} else if ($option == "by_firstname") {

$firstname = $_POST['fname'];
$firstname = stripslashes($firstname);
$firstname = strip_tags($firstname);
$firstname = eregi_replace("`", "", $firstname);
$firstname = mysql_real_escape_string($firstname);
$queryString = "WHERE rank LIKE '%$firstname%' OR firstname LIKE '%
$firstname%' OR lastname LIKE '%$firstname%' AND email_activated='1'";
$queryMsg = "Showing Members with the name you searched for";

} else if ($option == "newest_members") {

$queryString = "WHERE email_activated='1' ORDER BY id DESC";
$queryMsg = "Showing Newest to Oldest Members";
}

} // end of if(isset($_SESSION....


Notice: Undefined index: fname

When the POST has been done there is no problem but after that it
doesn't recognise fname or country anymore.

Marco
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