<?php function createThumbs( $pathToImages, $pathToThumbs, $thumbWidth ) { // open the directory $dir = opendir( $pathToImages ); // loop through it, looking for any/all JPG files: while (false !== ($fname = readdir( $dir ))) { // parse path for the extension $info = pathinfo($pathToImages . $fname); // continue only if this is a JPEG image if ( strtolower($info['extension']) == 'jpg' ) { echo "Creating thumbnail for {$fname} <br />"; // load image and get image size $img = imagecreatefromjpeg( "{$pathToImages}{$fname}" ); $width = imagesx( $img ); $height = imagesy( $img ); // calculate thumbnail size $new_width = $thumbWidth; $new_height = floor( $height * ( $thumbWidth / $width ) ); // create a new temporary image $tmp_img = imagecreatetruecolor( $new_width, $new_height ); // copy and resize old image into new image imagecopyresized( $tmp_img, $img, 0, 0, 0, 0, $new_width, $new_height, $width, $height ); // save thumbnail into a file imagejpeg( $tmp_img, "{$pathToThumbs}{$fname}" ); } } // close the directory closedir( $dir ); }// call createThumb function and pass to it as parameters the path // to the directory that contains images, the path to the directory // in which thumbnails will be placed and the thumbnail's width. // We are assuming that the path will be a relative path working // both in the filesystem, and through the web for links createThumbs("upload/","upload/thumbs/",100); ?> <?php function createGallery( $pathToImages, $pathToThumbs ) { echo "Creating gallery.html <br />"; $output = "<html>"; $output .= "<head><title>Thumbnails</title></head>"; $output .= "<body>"; $output .= "<table cellspacing=\"0\" cellpadding=\"2\" width=\"500\">"; $output .= "<tr>"; // open the directory $dir = opendir( $pathToThumbs ); $counter = 0; // loop through the directory while (false !== ($fname = readdir($dir))) { // strip the . and .. entries out if ($fname != '.' && $fname != '..') { $output .= "<td valign=\"middle\" align=\"center\"><a href=\"{$pathToImages}{$fname}\">"; $output .= "<img src=\"{$pathToThumbs}{$fname}\" border=\"0\" />"; $output .= "</a></td>"; $counter += 1; if ( $counter % 4 == 0 ) { $output .= "</tr><tr>"; } } } // close the directory closedir( $dir ); $output .= "</tr>"; $output .= "</table>"; $output .= "</body>"; $output .= "</html>"; // open the file $fhandle = fopen( "gallery.html", "w" ); // write the contents of the $output variable to the file fwrite( $fhandle, $output ); // close the file fclose( $fhandle ); }// call createGallery function and pass to it as parameters the path // to the directory that contains images and the path to the directory // in which thumbnails will be placed. We are assuming that // the path will be a relative path working // both in the filesystem, and through the web for links createGallery("upload/","upload/thumbs/"); ?>
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