File upload

[NirTivAal]

OK, I think I understand this but I'd like to make sure I have it down before I let anyone upload files to my server.

First I have to create a form and use the tag <input type="file" name="something"> (and all those other form tags)

It will get passed on to $_FILES['something']['size' (or name, etc...)]

Now I have to use the function move_uploaded_file($_FILES['something']['size'], $directory) to get it into the correct location.

Also, is there any way that I can reject the file if it's not a jpeg, or convert it to jpeg if it's a wbmp?

Is this stuff all correct?

[sde]

you can do a strstr($_FILE[0]['type'],".jpg") to test for .jpg

i don't know how you can convert it.

if your upload script doesn't work, let me know, i do have some code laying around here that i made recently. =)

[bdl]

I also recently built a script to upload strictly image files (jpg|png|gif) and did it using an array with the MIME types compared against the value of $_FILES['file]['type'] ( or $_FILES[0]['type'] of course ).

example (excerpt from the real script)

PHP Code:

$allowed_types = array('image/png', 'image/jpeg', 'image/pjpeg', 'image/gif');
if ( !in_array($_FILES['file']['type'], $allowed_types) )
{
    // not the right MIME type, do something
} 


Regarding converting the file type; are you talking about a wireless bitmap (WBMP) file or a windows bitmap (BMP) image file?

[NirTivAal]

Honestly, I don't know. php.net keeps reffering to wbmp, which I assumed meant windows bitmap.

Also, it appears you can convert a jpeg to bitmap, but not the other way around.

[sde]

oops my code example is badd .. you would have to take out the '.' lol.. bdl has it goin on =)

[Paultry]

If you want to convert another image type to a JPEG it's pretty easy to do using PHPs image functions as long as it's a bmp or png file.

Look up the Imagecreatefromxxxx() functions in the manual