function createthumb($name, $newname, $new_height, $border=false, $transparency=true, $base64=false) {
if(file_exists($newname))
@unlink($newname);
if(!file_exists($name))
return false;
$arr = explode(".",$name);
$ext = $arr[count($arr)-1];
if($ext=="jpeg" || $ext=="jpg" || $ext=="JPEG" || $ext=="JPG"){
$img = @imagecreatefromjpeg($name);
} elseif($ext=="png"){
$img = @imagecreatefrompng($name);
} elseif($ext=="gif") {
$img = @imagecreatefromgif($name);
}
if(!$img)
return false;
$old_x = imageSX($img);
$old_y = imageSY($img);
$avg = $old_y/$old_x;
$new_h = $new_height;
$new_w = floor($new_h/$avg);
if($old_x < $new_w && $old_y < $new_h)
{
$thumb_w = $old_x;
$thumb_h = $old_y;
}elseif($old_x < $old_y)
{
echo $thumb_w= floor($new_height*$zing);
$thumb_h=$new_height;
}else
{
$thumb_w = $new_w;
$thumb_h = $new_h;
}
$thumb_w = ($thumb_w<1) ? 1 : $thumb_w;
$thumb_h = ($thumb_h<1) ? 1 : $thumb_h;
$new_img = ImageCreateTrueColor($thumb_w, $thumb_h);
if($transparency) {
if($ext=="png") {
imagealphablending($new_img, false);
$colorTransparent = imagecolorallocatealpha($new_img, 0, 0, 0, 127);
imagefill($new_img, 0, 0, $colorTransparent);
imagesavealpha($new_img, true);
} elseif($ext=="gif") {
$trnprt_indx = imagecolortransparent($img);
if ($trnprt_indx >= 0) {
$trnprt_color = imagecolorsforindex($img, $trnprt_indx);
$trnprt_indx = imagecolorallocate($new_img, $trnprt_color['red'], $trnprt_color['green'], $trnprt_color['blue']);
imagefill($new_img, 0, 0, $trnprt_indx);
imagecolortransparent($new_img, $trnprt_indx);
}
}
} else {
Imagefill($new_img, 0, 0, imagecolorallocate($new_img, 255, 255, 255));
}
imagecopyresampled($new_img, $img, 0,0,0,0, $thumb_w, $thumb_h, $old_x, $old_y);
if($border) {
$black = imagecolorallocate($new_img, 0, 0, 0);
imagerectangle($new_img,0,0, $thumb_w, $thumb_h, $black);
}
if($base64) {
ob_start();
imagepng($new_img);
$img = ob_get_contents();
ob_end_clean();
$return = base64_encode($img);
} else {
if($ext=="jpeg" || $ext=="jpg" || $ext=="JPEG" || $ext=="JPG"){
imagejpeg($new_img, $newname);
$return = true;
} elseif($ext=="png"){
imagepng($new_img, $newname);
$return = true;
} elseif($ext=="gif") {
imagegif($new_img, $newname);
$return = true;
}
}
imagedestroy($new_img);
imagedestroy($img);
return $return;
}
createthumb($src, $dest,$height,false, true, false);