From:             [EMAIL PROTECTED]
Operating system: Linux
PHP version:      4.0.4pl1
PHP Bug Type:     GD related
Bug description:  Incorrect File type check

I'm attempting to create a script that accepts  bmp and jpg files uploaded by a user 
and converts them into jpg or bmp files as requested by the user, using the 
ImageCreateFromWBMP, and ImageJPEG functions. But, each time I upload a BMP or JPEG 
image, I get the message:

"Warning: imagecreatefromwbmp: 'image.bmp' is not a valid WBMP file in 
/script/location/here.php on line#"

These BMP and jpeg images are created in photoshop 5.5, and windows paint program on 
win 2000, and 98 platforms and according to thos programs, the file-types are valid.

But, if I use the imagecreate function to generate a  jpeg image (from a string of 
text), save, and upload that jpeg file to my server, then run the same script on it to 
convert it to another file format, no error/warning messages are generated.... So 
apparantly, php can work on images generated by a php script, but no others.

What makes it even more odd, is that upon uploading an image (one made in photoshop or 
paint) using my script, I have it setup such that a confirmation screen is generated 
where the users are provided with the size and format/type of the uploaded file, and 
theyre always reported as being:
or image/bmp
yet they are flagged as invalid when another php script attempts to manipulate them.

is the problem on my end, am I doing something wrong? Is it that php can't handle 
images created by photoshop  and paint?  or is that the criteria used to validate the 
image format in php is flawed?


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