Snippets File Management
File Management
random image picker
by: FocusMulti
|
February 5, 2003
Version: improved_new
Type: Function
Category: File Management
License: GNU General Public License
Description: Picks a random image from a directory and displays it. Could be modified to do much more and includes directions on its use.
<?php
/*
Authored by the Perpetual Dreamer
http://www.perpetualdreamer.com
*/
//directory here (relative to script)
$path = '.';
$i = 0;
$imgDir = opendir ($path);
while ( $file = readdir( $imgDir ) )
{
//checks that file is an image
$file_type = strrchr( $file, "." );
$is_image = eregi( "jpg|gif",$file_type );
if ( $file != '.' && $file != '..' && $is_image )
{ $images[$i++] = $file; }
}
closedir ($imgDir);
srand( (double) microtime()*1000000 );
$image_name = $path . '/' . $images[rand( 0,sizeof( $images ) -1 )];
$imgSize = GetImageSize( $image_name );
//ends script if no images found
if ( $i == 0 )
die();
print ( "<img src=\"" . $image_name . "\"" . $imgSize[3] . " />\n" );
/*
Basic code (by alland) available at:
http://www.phpbuilder.com/snippet/detail.php?type=snippet&id=42
*/
?>
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