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    Guest Message by DevFuse

    Get and Post!

    meijör

    By meijör,
    in Web and Scripting

     Share

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    meijör

    meijör 7

    Posted
    Posted

    Hello friends of the serverbased programming.

     

    This is an intruduction to what GET and POST are.

    The built-in $_GET function is used to collect values from a form sent with method="get" or just by URL encoding.

     

    It's the easiest way to give a vaiable a value.

    Little example

    <html>
(..)
<?php
    $insult = $_GET['insult'];
?>
<form method="get">
Insult here : <input type="text" name="insult" size="14">
<br /><input type="submit" value="insult me">
</form>
<?php if ($_GET)
 {
           echo("<h1> You are such a/an".$insult."</h1>");
 }
?>

    The URL of that would be %youfilename.php?insult=Bitch

    So you can redirect to those things just by link without filling out forms.

     

    The built-in $_POST function is used to collect values from a form sent with method="post".

    Post works just as GET but it does not show it's values through the URL. So it's invisible for the user.

     

    Pro's and Contra's.

     

    GET : Easy to use via URL but not good for secure information.

    POST : Not visible through URL but a form needs to be filled each time.

     

     

    That's just all for now, ill maybe extend it.

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    House

    House 3

    Posted
    Posted

    A little bit more from me:

     

    You can build up your page very simple without frames, because frames are just ugly and look Biene Majaish. Also you can't refresh other frames, so that you will have a bad, slow, inefficient, ugly bastardsite.

     

    For example, you got your menu on top:

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

     

    then you will put this in your mainpage:

     

    <div id="mainpage">
<?php
switch($_GET['page'])
{ 
case "home":
include("home.php");
break;

case "poop":
include("poop.php");
break;
}
?>
</div>

     

    As you can see, you can just put some PHP info up in the url O.o

    It retrieves it then with $_GET[' and then the name of the ?page or so '];

    checks it, and then for every cases includes a file xD

    You can build up a page easily without frames ;)

     

    Also, you can give $_GET things easily with the header() function, for example:

    if( 1 == 1 )
{
header("location: ../index.php?page=somepageyoudontwant", 5);
echo("Haha, now you gave some get information that you didn't want^^");
}

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