<?php
$path = "../userfiles/orig/";
$userpath="../".$_REQUEST['userpath']."/";
function getExtension($str) {
$i = strrpos($str,".");
if (!$i) { return ""; }
$l = strlen($str) - $i;
$ext = substr($str,$i+1,$l);
return $ext;
}
$valid_formats = array("jpg", "png", "gif", "bmp","jpeg","PNG","JPG","JPEG","GIF","BMP");
if(isset($_POST) and $_SERVER['REQUEST_METHOD'] == "POST"){
$name = $_FILES['photoimg']['name'];
$size = $_FILES['photoimg']['size'];
if(strlen($name)){
$ext = getExtension($name);
if(in_array($ext,$valid_formats)){
if($size<(2048*2048)){
$time1=time();
$actual_image_name =$time1."_".str_replace(" ", "_", $name);
$tmp = $_FILES['photoimg']['tmp_name'];
if(move_uploaded_file($tmp, $path.$actual_image_name)){
$image=$actual_image_name;
/*--------resize image-----------*/
$size = 320; // the imageheight
$filedir = '../userfiles/orig/'; // the directory for the original image
$thumbdir = $userpath; // the directory for the resized image
$prefix = $time1.'_'; // the prefix to be added to the original name
$maxfile = '20000000';
$mode = '0666';
$userfile_name =str_replace(" ", "", $_FILES['photoimg']['name']);
$userfile_tmp = str_replace(" ", "", $_FILES['photoimg']['tmp_name']);
$userfile_size =$_FILES['photoimg']['size'];
$userfile_type = $_FILES['photoimg']['type'];
if (isset($_FILES['photoimg']['name'])){
$prod_img = $filedir.$actual_image_name;
$prod_img_thumb = $thumbdir.$prefix.$userfile_name;
move_uploaded_file($userfile_tmp, $prod_img);
chmod ($prod_img, octdec($mode));
$sizes = getimagesize($prod_img);
$aspect_ratio = $sizes[1]/$sizes[0];
if ($sizes[1] <= $size){
$new_width = $sizes[0];
$new_height = $sizes[1];
}else{
$new_height = $size;
$new_width = abs($new_height/$aspect_ratio);
}
$destimg=ImageCreateTrueColor($new_width,$new_height)
or die('Problem In Creating image');
switch($ext){
case "jpg":
case "jpeg":
case "JPG":
case "JPEG":
$srcimg=ImageCreateFromJPEG($prod_img)or die('Problem In opening Source Image');
break;
case "PNG":
case "png":
$srcimg = imageCreateFromPng($prod_img)or die('Problem In opening Source Image');
imagealphablending($destimg, false);
$colorTransparent = imagecolorallocatealpha($destimg, 0, 0, 0, 0x7fff0000);
imagefill($destimg, 0, 0, $colorTransparent);
imagesavealpha($destimg, true);
break;
case "BMP":
case "bmp":
$srcimg = imageCreateFromBmp($prod_img)or die('Problem In opening Source Image');
break;
case "GIF":
case "gif":
$srcimg = imageCreateFromGif($prod_img)or die('Problem In opening Source Image');
break;
default:
$srcimg=ImageCreateFromJPEG($prod_img)or die('Problem In opening Source Image');
}
if(function_exists('imagecopyresampled')){
imagecopyresampled($destimg,$srcimg,0,0,0,0,$new_width,$new_height,imagesX($srcimg),imagesY($srcimg))
or die('Problem In resizing');
}else{
Imagecopyresized($destimg,$srcimg,0,0,0,0,$new_width,$new_height,imagesX($srcimg),imagesY($srcimg))
or die('Problem In resizing');
}
// Saving an image
switch(strtolower($ext)){
case "jpg":
case "jpeg":
ImageJPEG($destimg,$prod_img_thumb,90) or die('Problem In saving');
break;
case "png":
imagepng($destimg,$prod_img_thumb) or die('Problem In saving');
break;
case "bmp":
imagewbmp($destimg, $prod_img_thumb)or die('Problem In saving');
break;
case "gif":
imagegif($destimg,$prod_img_thumb) or die('Problem In saving');
break;
default:
// if image format is unknown, and you whant save it as jpeg, maybe you should change file extension
imagejpeg($destimg,$prod_img_thumb,90) or die('Problem In saving');
}
}
unlink($prod_img);
echo "<img src='".$prod_img_thumb."'>";
}else{
echo "Fail upload folder with read access.";
}
}else{
echo "Image file size max 3 MB";
}
}else{
echo "Invalid file format..";
}
}else{
echo "Please select image..!";
}
exit;
}
?>
Sorry for my english. Problem is it that you trying to save image using imagejpeg, which means new image can't use transparent color anymore. If source image was PNG, you should save it using imagepng.
Best Answer