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Thread: My latest PHP creation

  1. 02-24-2008 03:00 PM #1
    KentonBomb's Avatar
    KentonBomb
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    My latest PHP creation

    I'm going into hardcore PHP mode now. Since linux has taken my life over, I find web based scripting much more appealing that writing windows programs to use over Wine.

    This is my latest PHP Creation. It's a random image generator.



    Refresh to see a new image.

    This is the source:
    PHP Code:
    <?php
    /*
    Random Textalizer
    */
    $img = imagecreate(220, 20);
    $black = imagecolorallocate($img, 0, 0, 0);
    $white = imagecolorallocate($img, 255, 255, 255);
    imagefill($img, 0, 0, $black);
    $file = "random.txt";
    $hnd = fopen($file, "r");
    $strings = fread($hnd, filesize($file));
    $array = explode(",", $strings);
    $ret = count($array);
    $num = rand(1, $ret);

    $string = $array[$num];    
    imagestring($img, 2, 2, 2, $string, $white);    
    header("Content-type: image/png");
    imagepng($img);
    imagedestroy($img);

    ?>
    As you can see, it reads the number of entries in a txt file named "random.txt". It dynamically generates the image based on the number of entries in the text file (Each entry is separated by a comma)

    An example random.txt would be:

    Code:
    Hello!, Bon Jour, Hola!, Konnichiwa!, Ni Hao!
    This would randomly say hello in a few different languages (Note:: I don't care if I spelled any of those incorrectly :P)

    Feedback?
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  2. 02-24-2008 03:10 PM #2
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    Re: My latest PHP creation

    That's cool, I am working on an image creation class currently too, if you want to check it out it's here: http://brandonsgames.com/source/sigclass.
    Thanks,
    Brandon Long
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  3. 02-24-2008 04:49 PM #3
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    Re: My latest PHP creation

    Not bad for a first. You can end up making Captcha images with GD too.
    (Demo) The site isn't done yet but the captcha works perfectly.

    Page containing captcha
    PHP Code:
    <?
        session_cache_limiter    ("private_no_expire, must-revalidate");
            session_start();
            $ip = $_SERVER['REMOTE_ADDR'];
            $alphabet = array('a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z', '1', '2', '3', '4', '5', '6', '7', '8', '9', '0');
            srand(time());
            $randstr = "";
        for (    $i=0; $i<10; $i++){
                $random = (rand() % sizeof($alphabet));
                $randstr .= $alphabet[$random];
        }
            $_SESSION["capval" . $ip] = $randstr;
    ?>
    <html>
    <head>
    <title>Captcha</title>
    </head>
    <body>
    <img src="capimg.php" />
    </body>
    </html>
    capimg.php
    PHP Code:
    <?
        session_cache_limiter    ("private_no_expire, must-revalidate");
            session_start();
            $ip = $_SERVER['REMOTE_ADDR'];
            $randstr = $_SESSION["capval" . $ip];
            header ("Content type: image/jpeg");
            $im = @imagecreatetruecolor(100, 25) or die("Cannot Initialize new GD image stream");
            $text_color = imagecolorallocate($im, 255, 255, 255);
            imagestring($im, 2, 10, 5,  $randstr, $text_color);
            imagejpeg($im, '', 100);
            imagedestroy($im);
    ?>
    Last edited by VPmase; 02-24-2008 at 04:51 PM.
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  4. 02-24-2008 05:38 PM #4
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    Re: My latest PHP creation

    Try this....

    can you make the background as noisy-one like in captcha images. (instead of pure black - you can use noisy or grain background)...
    Last edited by medphoenix; 02-24-2008 at 05:41 PM.

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  5. 02-24-2008 06:26 PM #5
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    Re: My latest PHP creation

    You just have to use
    PHP Code:
    $im = @imagecreatefromjpeg('jpg.jpeg') 
    http://us3.php.net/manual/en/functio...tefromjpeg.php

    Instead of $im = @imagecreatetruecolor
    Last edited by VPmase; 02-24-2008 at 06:27 PM.
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  6. 02-24-2008 06:28 PM #6
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    Re: My latest PHP creation

    Thanks for the tut.
    x10HOSTING
    Member Since October 2007.

    JESSEMAN.ME     | iMusicz.net
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  7. 02-25-2008 12:04 AM #7
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    Re: My latest PHP creation

    Good one. These days members are trying to create dynamic signature........
    [LEFT][B]Sunil Sankar
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  8. 02-25-2008 02:43 AM #8
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    Re: My latest PHP creation

    Mines going to be pretty cool when it's done I hope.
    Thanks,
    Brandon Long
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  9. 02-25-2008 06:31 AM #9
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    Re: My latest PHP creation

    Quote Originally Posted by VPmase View Post
    You just have to use
    PHP Code:
    $im = @imagecreatefromjpeg('jpg.jpeg') 
    http://us3.php.net/manual/en/functio...tefromjpeg.php

    Instead of $im = @imagecreatetruecolor

    you can also use imagecreatefrompng, or gif, and a couple others
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  10. 03-01-2008 11:12 AM #10
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    Re: My latest PHP creation

    uhm... am I the only one that sees a red cross where that image is supposed to be ?

    P.S. Check out my dynamic sig ;p

    http://dev.x10hosting.com (this has nothing to do with x10hosting)

    ->All us helpful people here at x10hosting would like to reach our next user groups, "Community Paragon". Please click the +rep icon on the left hand side of a post if that post was helpfull.


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