basti1012.bplaced.net

Beim Seiten-Reload ein Zufallsbild mit PHP anzeigen lassen

Code

                                    
                                <?php

function getFiles($dir) 
{
    static $files;
    
    $allowed_file_extensions = array();
    $allowed_file_extensions[] = 'gif';
    $allowed_file_extensions[] = 'bmp';
    $allowed_file_extensions[] = 'jpg';
    $allowed_file_extensions[] = 'jpeg';
    $allowed_file_extensions[] = 'png';
    $allowed_file_extensions[] = 'GIF';
    $allowed_file_extensions[] = 'BMP';
    $allowed_file_extensions[] = 'JPG';
    $allowed_file_extensions[] = 'JPEG';
    $allowed_file_extensions[] = 'PNG';     
    
    $len = strlen($dir);
    if($dir{$len-1} == '/')
        $dir = substr($dir, 0, $len-1);
        
    
    if(!is_dir($dir))
        return false;
        
    $open = @opendir($dir);
    
    if(!$open) 
        return false;
    
    while($file = readdir($open)) {         
        if($file == "." || $file == "..")     
            continue;
        
        if(is_dir($dir.'/'.$file)) {
            getFiles($dir.'/'.$file);
        }     
            
        $e = explode('.', $file);
        $ext = $e[ count($e)-1 ];
        
        if( is_file($dir.'/'.$file) && in_array($ext, $allowed_file_extensions) ) {
            $files[] = $dir.'/'.$file;
        }
    }
    return $files;
}

$files = getFiles('image/');
$rand = mt_rand(0, count($files)-1);
$image = $files[$rand];
list($files[$rand],$rest) = explode('/Bilder', $files[$rand]);
echo "<a href='$image' title='$files[$rand]'><img class='image' src='$image' alt='$files[$rand]' width='198px'></a>";

?>