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www.domain.com/index.php?home how do this?

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May 25.2005

On various websites I see adresses such as this one:
[url]www.domain.com/index.php?home[/url]
and I think I know how to do it…

But I’m not sure.

The way I assumed it was done was by pulling say, a name attribute from a link tag <a href=”index.php” name=”home”> enclosed in a <form action=”index.php” method=”GET”> and then index.php pick it up with a $GET_name attribute in index.php and places it inside <?php include ‘$link’;?>.

Is this how its done? And if not how would you do it? is there a Tutorial?

Cheers
hamstar

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PHP

16 Comments(s) ↴

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@NogDogMay 25.2005 — Simpler is just make the link tag:
[code=html]<a href="index.php?home">Home Page</a>[/code]
For index.php:
[code=php]
$keys = array_keys($_GET);
$inc = "/path/to/includes/{$keys[0]}.inc";
if(file_exists($inc))
{
include $inc;
}
else
{
# output an error message and/or default page here
}
[/code]
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@ShmohelMay 25.2005 — By having a link like: <a href='index.php?page=home>Link</a>

you can then put something like:
[code=php]
if ($_GET['page']=='home') {
//DO SOMETHING HERE
}
[/code]

A lot of times I will use this sort of thing to include other pages etc.
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@hamstarauthorMay 26.2005 —  $keys = array_keys($_GET);

$inc = "/path/to/includes/{$keys[0]}.inc"; [/quote]

I don't understand this part...
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@NogDogMay 26.2005 — I don't understand this part...[/QUOTE]
The data following the ? in a URL is saved to the $_GET array by PHP, with each "name=value" pair saved to the array with 'name' as the array key and 'value' as the value of that array entry. So I'm simply (?) looking at the first key (numbered 0) in the $_GET array, which in this case has no value assigned, but I'm not looking at the value so don't care.
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@floydiologyMay 27.2005 — very simple : <a href="page.php?variableA=" . <? echo $value; ?> . "&variableB=" . <? echo $valueB; ?> .">link</a>
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@hamstarauthorMay 27.2005 — Sweet, cheers guys got it now...

I settled with a hybrid of the two ?
[code=php]
<a href="index.php?home"></a>

<?php

$intget = $_GET;

if($intget != "home"|"badpractices"|"petition"|"links"|"about"|"contacts")
{
$page = "home";
}
else
{
$page = $intget;
}

?>

<?php include '$page';?>[/code]

That'll work huh?
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@ShmohelMay 27.2005 — almost, but not quite. The [color=red][i]include '$page'[/i][/color] first does not need the quotes around $page. Second, you would need to put this inside the IF and ELSE brackets. You define the variable [i]page[/i] but it only exists within the brackets.

Second, I have never tried the OR clause as you are using it, I do not think it will work like that. try something like this:

[code=php]

<a href="index.php?page=home"></a>

<?php

$intget = $_GET['page'];

if($intget != "home" || $intget !="badpractices" || $intget !="petition" || $intget !="links" || $intget !="about" || $intget !="contacts")
{
$page = "home";
include $page.".php";
}
else
{
$page = $intget;
include $page.".php";
}

?>
[/code]
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@chrysMay 27.2005 — That won't work. You need to use $_GET[0] ( the first element in the $_GET array )... otherwise you will be checking to see if the Array = "page", which will never work.
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@ShmohelMay 27.2005 — That won't work. You need to use $_GET[0] ( the first element in the $_GET array )... otherwise you will be checking to see if the Array = "page", which will never work.[/QUOTE]

amended.
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@hamstarauthorMay 28.2005 — What about if I define $page outside the brackets, like with js?

Also, how can I put more things into the GET array? commas? semicolon?

eg: /index.php?page;time;banana
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@ShmohelMay 28.2005 — What about if I define $page outside the brackets, like with js?

Also, how can I put more things into the GET array? commas? semicolon?

eg: /index.php?page;time;banana[/QUOTE]

You are trying to get [color=red]$page[/color] to have different values at different conditions, so defining it outside the brackets defeats the purpose of the brackets.

for your other question, just look at the address bar for this page:
http://www.webdeveloper.com/forum/newreply.php?do=newreply&amp;p=376735

If there were a [color=red][i]print_r[/i]($_GET)[/color] you would see the GET array displayed as such:

<i>
</i>array (
[do] =&gt; newreply
[p] =&gt; 376735
)


Therefore, these items can be recalled as [color=red]$_GET['do'][/color] & [color=red]$_GET['p'][/color]

All variables passed through the url should be in the form [color=red]page.php?a=123&b=456&c=789[/color]
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@JeffroMay 30.2005 — If you need more info, go here: http://xentrik.net/php/querystring.php
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@hamstarauthorMay 31.2005 — Well I got it to work.

In the end I used a switch case function...[code=php]
<?php
$intget = $_GET;
switch($intget) {
case "home": include $intget; break;
case "badpractices": include '/badpractices'; break;
case "petition": include '/petition'; break;
case "feedback": include '/feedback'; break;
case "links": include '/links'; break;
case "about": include '/about'; break;
case "contact": include '/contact'; break;
case "sitemap": include '/sitemap'; break;
default: include 'http://www.telescum.co.nz/home';
}

?>[/code]
However, it won't do relative inclde links...

I have to give it the whole one. It gives the following error:

Warning: main(/newsdocs/news.php): failed to open stream: No such file or directory in /var/www/html/index.php on line 58

Also when I try to grab GET[0] it says:

Notice: Undefined offset: 0 in /var/www/html/index.php on line 39

So I set it to just GET but now it always goes strate for the default case...?

confused...
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@hamstarauthorMay 31.2005 — so really, I didnt get it to work :S
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@hamstarauthorJun 02.2005 — help?
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@ScleppelJun 02.2005 — [CODE]
$intget = trim($_SERVER['QUERY_STRING']);
[/CODE]
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