Button Click Counter in PHP

Question

I'm trying to build a tiny skeleton framework for a friend, where each time a button is pressed a certain animation is played. He wants a way to count the number of times the button is clicked, as well, but I can't seem to get that part working. What am I doing wrong?

<?php

  if( isset($_POST['mushu']) )
  {
    echo "Working.";
    playAnimation();
    clickInc();
  }

  function playAnimation()
  {
     /* ... */;
  }

  function clickInc()
  {
    $count = ("clickcount.txt");

    $clicks = file($count);
    $clicks[0]++;

    $fp = fopen($count, "w") or die("Can't open file");
    fputs($fp, "$clicks[0]");
    fclose($fp);

    echo $clicks[0];

  }
?>

<html>

  <head>

    <title>Adobe Kitten</title>

  </head>

  <body>

    <form action="<?php $_SERVER['PHP_SELF']; ?>">
    <input type="button"
           value="Let's see what Mushu is up to."
           name="mushu">
    </form>

  </body>
</html>

What isn't working? Any errors given? Or does it just not increment your stored number? — Viper_Sb
– Viper_Sb, Commented Aug 4, 2010 at 21:20
Currently, the file isn't opening. Before, the issue was that nothing was happening at all upon button click. — Andy
– Andy, Commented Aug 4, 2010 at 21:54

ahmet2106 · Accepted Answer · 2010-08-04 21:34:32Z

2

<form action="<?php $_SERVER['PHP_SELF']; ?>" method="post">
    <input type="submit"
           value="Let's see what Mushu is up to."
           name="mushu">
</form>

First of all use the form with method="post", or change $_POST[] to $_GET[] in your Script.

And If your Button is not a Submit button, then you are not submitting the form. So I've changed type="button" to type="submit".

Should work

answered Aug 4, 2010 at 21:34

ahmet2106

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5 Comments

Andy Over a year ago

This is helping the issue, but now I get the error "Can't open file."

ahmet2106 Over a year ago

you have to create an empty file named clickcount.txt.

ahmet2106 Over a year ago

"Cant open file" means that there is no file named clickcount.txt so it cant open it to read and write it. And if you create the file manually it can rewrite it ;)

Andy Over a year ago

But there IS a file there. :(

ahmet2106 Over a year ago

in the same directory where this script is?

Eton B. · Accepted Answer · 2010-08-04 22:35:25Z

1

The code looks fine, I tested it and it worked for me. I suggest:

Make sure the file isn't read-only.
Make sure the file is called "clickcount.txt"
Make sure it's in the same folder as your script.

answered Aug 4, 2010 at 22:35

Eton B.

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Comments

Eric C C · Accepted Answer · 2010-08-04 21:36:11Z

0

It would be helpful to know the error but a shot in the dark - it could be a problem with Write permissions?

also, change to:

<input type="submit" value="Let's see what Mushu is up to." name="mushu" />

answered Aug 4, 2010 at 21:36

Eric C C

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