<?php


    $folder = '/home/vakense/public_html/themes/carebear/logo/';


    $extList = array();
    $extList['gif'] = 'image/gif';
    $extList['jpg'] = 'image/jpeg';
    $extList['jpeg'] = 'image/jpeg';
    $extList['png'] = 'image/png';


// You don't need to edit anything after this point.


// --------------------- END CONFIGURATION -----------------------

$img = null;
// Adds a tailing slash
if (substr($folder,-1) != '/') {
    $folder = $folder.'/';
}

//if url query string variable img is set. That image will be choosen if it excist no randomization
if (isset($_GET['img'])) {
    $imageInfo = pathinfo($_GET['img']);
    if (
        isset( $extList[ strtolower( $imageInfo['extension'] ) ] ) &&
        file_exists( $folder.$imageInfo['basename'] )
    ) {
        $img = $folder.$imageInfo['basename'];
    }
//if img var is not set the dirctory will be scanned for files with gif, jpg, jpeg or png extensions. Those files are added to a list.
} else {
    $fileList = array();
    $handle = opendir($folder);
    while ( false !== ( $file = readdir($handle) ) ) {
        $file_info = pathinfo($file);
        if (
            isset( $extList[ strtolower( $file_info['extension'] ) ] )
        ) {
            $fileList[] = $file;
        }
    }
    closedir($handle);


    if (count($fileList) > 0) {

//      Lets randomize the array inteads
//      $imageNumber = time() % count($fileList);

        shuffle($fileList);

        $img = $folder.$fileList[0];
    }
}

// if the $img variable is set. Set the http header content-type to the mime in corresponding to extension. Then output the data.
if ($img!=null) {
    $imageInfo = pathinfo($img);
    $contentType = 'Content-type: '.$extList[ $imageInfo['extension'] ];
    header ($contentType);
    readfile($img);
// If imge variable was not set create a white image instead with a text saying IMAGE ERROR
} else {
    if ( function_exists('imagecreate') ) {
        header ("Content-type: image/png");
        $im = @imagecreate (100, 100)
            or die ("Cannot initialize new GD image stream");
        $background_color = imagecolorallocate ($im, 255, 255, 255);
        $text_color = imagecolorallocate ($im, 0,0,0);
        imagestring ($im, 2, 5, 5,  "IMAGE ERROR", $text_color);
        imagepng ($im);
        imagedestroy($im);
    }
}

?>