<?php if (! isset ( $_POST ["submit"] )) { echo "<?xml version=\"1.0\" encoding=\"UTF-8\""; } else { if (isset ( $_FILES ["file"] ) || $_POST ["file"] != "") { function resizeimage($file, $rate = .5) { $size = getimagesize ( $file ); switch ($size [2]) { case 1 : $img = imagecreatefromgif ( $file ); break; case 2 : $img = imagecreatefromjpeg ( $file ); break; case 3 : $img = imagecreatefrompng ( $file ); break; } $srcw = imagesx ( $img ); $srch = imagesy ( $img ); $detw = floor ( $srcw * $rate ); $deth = floor ( $srch * $rate ); $im = imagecreatetruecolor ( $detw, $deth ); $black = imagecolorallocate ( $im, 255, 255, 255 ); imagefilledrectangle ( $im, 0, 0, $detw, $deth, $black ); imagecopyresized ( $im, $img, 0, 0, 0, 0, $detw, $deth, $srcw, $srch ); header ( 'Content-type:image/png' ); imagepng ( $im ); imagedestroy ( $im ); imagedestroy ( $img ); } resizeimage ( $_FILES ["file"] ["tmp_name"] ); } } ?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /> <title>Insert title here</title> <style type="text/css"> td { margin: 0; } </style> <script type="text/javascript"> function submit(){ obj=document.form1.submit(); return obj; } </script> </head> <body> <form name="form1" method="post" enctype="multipart/form-data" action="<?php echo $_SERVER ["PHP_SELF"]?>"> <table cellpadding="0" cellspacing="0" border="0" bordercolordark="#ffffff" bordercolorlight="#0000ff"> <tr> <td><label>FileUpload : </label></td> <td><input type="file" name="file"></input></td> <td><input type="submit" name="submit" value="Submit"></input></td> </tr> </table> </form> </body> </html>