QueryString in PHP?

HelloWorld · #1 (**permalink**) 08-23-2007, 10:07 PM

Hello, I wanted to get the value from the URL:

Code:

http://localhost/junkiez/code_quiz.php?swap_button=swap

so that I can know when to "swap" for the application that I'm working on... can anybody help me? Should I use GET as the method or POST? what's the difference? Well, since I'm trying to get the value from the URL, I'm currently using GET method...

HelloWorld · #2 (**permalink**) 08-23-2007, 10:10 PM

never mind.. I got it lol...

Code:

$swap = $_GET['swap_button'];

HelloWorld · #3 (**permalink**) 08-23-2007, 10:21 PM

but I guess query string won't work in this case lol.. i want each time button is pressed, it swap the number lol...

Code:

<form method="GET">
    <input type="submit" value="swap" name="swap_button">
</form>

TeraTask · #4 (**permalink**) 08-24-2007, 04:42 AM

What do you mean by "swap the number"? Where's the number you're mentioning?

HelloWorld · #5 (**permalink**) 08-24-2007, 07:46 AM

Quote:

Originally Posted by TeraTask

What do you mean by "swap the number"? Where's the number you're mentioning?

Just assume that there are 6 numbers put in an array. Each time button is clicked, moved 1 to position 6 and shift it to the left once for all...

Example:

Code:

1 2 3 4 5 6 // before

button clicked

2 3 4 5 6 1 // after

molotov · #6 (**permalink**) 08-24-2007, 09:17 AM

I assume your array is in PHP.

PHP Code:

  if ( isset($_GET['swap_button']) )
{
print_r($your_array);
// 1 2 3 4 5 6

$f = $your_array[0];           // $f is now '1'

array_shift($your_array);      // $your_array is now '2,3,4,5,6'

array_push($your_array, $f);   // throw $f onto the end of $your_array

print_r($your_array);
// 2 3 4 5 6 1
}

Not really correct output of print_r, but you get the idea.

HelloWorld · #7 (**permalink**) 08-24-2007, 11:22 AM

PHP Code:

  array_shift($your_array);      // $your_array is now '2,3,4,5,6'

Holly Molly!!! Thanx a lot, no wonder PHP is really popular language!!!

molotov · #8 (**permalink**) 08-24-2007, 11:56 AM

Quote:

Originally Posted by HelloWorld

PHP Code:

  array_shift($your_array);      // $your_array is now '2,3,4,5,6'

Holly Molly!!! Thanx a lot, no wonder PHP is really popular language!!!

What is really frustrating is when you find yourself thinking:

"I know there's a way to do this, but I have no idea what it is!"

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