<?php
// The users email, passed to Gravatar
$usersEmail = "myemail@live.com";
 
// default avatar to load if Gravatar doesn't find one
$defaultImage = "http://domain.com/default.png";
 
// The size of the image
$avatarSize = "50";
 
// Minimum rating for your site
// Possible values (G, PG, R, X)
$avatarRating = "G";
 
// Border around the image
$avatarBorder = "000000";
 
// URL for Gravatar
$gravatarURL = "http://www.gravatar.com/avatar.php?gravatar_id=%s&default=%s&size=%s&border=%s&rating=%s";
 
$avatarURL = sprintf
(
	$gravatarURL,
	md5($usersEmail),
	$defaultImage,
	$avatarSize,
	$avatarBorder,
	$avatarRating
);
 
print "<img src="" .
	$avatarURL . "" width="" .
	$avatarSize . "" height="" .
	$avatarSize . "" />";
?>

<?php
/* NOTE: This code assumes that you have the GD 2 Library installed on your php server and that all goes well.
It does not contain any error handling.
*/
    	header("Expires: Mon, 26 Jul 1997 05:00:00 GMT");
    	header("Cache-Control: no-cache");
    	// dont cache
    	header("Pragma: no-cache");
    	// dont cache again, for whatever reason, I forget.
    	// Above headers are to prevent cache of
    	// the image so that changes will be seen immediately.
    	header("Content-Type: image/jpeg");
    	// Specify that we are outputting a jpeg image.
    	$padding = 5;
    	// Padding: Distance from edges of image to text. Much like the padding property in CSS
    	$font = 5;
    	// Define The Font. Can be integers 1 through 5 or can be imageloadfont(imagefont.gdf).
    	// Must Be A PHP Font (*.gdf) for this script to work properly.
    	$text = "my-email@hotmail.com";
    	// Define The Text On The Image
    	$height = imagefontheight($font) + ($padding * 2);
    	// Sets Height Of Image
    	$width = imagefontwidth($font) * strlen($text) + ($padding * 2);
    	// Sets Width Of Image (Adjusted for font size);
    	$image_handle = imagecreatetruecolor($width, $height);
    	// Initializes The Image Object
    	$text_color = imagecolorallocate($image_handle, 0, 0, 0);
    	// Sets The Forecolor to Black (rgb: 0-0-0)
    	$background_color = imagecolorallocate($image_handle, 255, 255, 255);
    	// Sets The Backcolor to white (rgb: 255-255-255)
    	$bg_height = imagesy($image_handle);
    	// Sets the background Y2 position
    	$bg_width = imagesx($image_handle);
    	// Sets The Background X2 Position
    	imagefilledrectangle($image_handle, 0, 0, $bg_width, $bg_height, $background_color);
    	// Draws a background (filled rectangle) over the entire span of the image.
    	imagestring($image_handle, $font, $padding, $padding, $text, $text_color);
    	// Draw the text onto the foreground of the image.
    	// php draws from back to front so the rectangle comes first.
    	imagejpeg($image_handle,NULL,100);
    	// Output the image. filename value of NULL tells GD to output to the client
    	// as opposed to writing to a file. enter a file name to output to a file.
    	// qality value of 100 tells php to output the best possible quality jpeg as possible
    	// quality values are from 1 to 100
    	imagedestroy($image_handle);
?>

<?php
$imglist='';
//$img_folder is the variable that holds the path to the banner images.
// see that you dont forget about the "/" at the end
$img_folder = "images/";
mt_srand((double)microtime()*1000);
//use the directory class
$imgs = dir($img_folder);
//read all files from the directory, checks if are images and ads them to a list (see below how to display flash banners)
while ($file = $imgs->read()) {
if (eregi("gif", $file) || eregi("jpg", $file) || eregi("png", $file))
$imglist .= "$file ";
} closedir($imgs->handle);
//put all images into an array
$imglist = explode(" ", $imglist);
$no = sizeof($imglist)-2;
//generate a random number between 0 and the number of images
$random = mt_rand(0, $no);
$image = $imglist[$random];
//display image
echo '<img src="'.$img_folder.$image.'" border=0>';
?>

<?php
$files = glob("images/*.*");
for ($i=1; $i<count($files); $i++)
{
	$num = $files[$i];
	echo '<img src="'.$num.'" alt="random image">'."&nbsp;&nbsp;";
	}
?>

<?php
$files = glob("images/*.*");
for ($i=1; $i<count($files); $i++)
{
	$num = $files[$i];
	print $num."<br />";
	echo '<img src="'.$num.'" alt="random image" />'."<br /><br />";
}
?>

<?php
$files = glob("images/*.*");
mt_srand( (double) microtime() * 1000000 );
$num = mt_rand(0, count($files)-1);
echo '<img src="'.$files[$num].'" alt="" />';
?>