is there a 'like' function?

Anon

you know how in mysql you can get away with saying "SELECT something FROM somewhere WHERE its LIKE '%this'"?
is this possible to do this in php? for example...
if($pic_type != "image/") error_message("Your must submit a picture file");
this is from a form im using so anyone can upload a picture file. is there a way that i can have users upload any kind of picture file? like image/jpg and image/gif etc etc. except i wont have to list all the types of picture files. thanks!
-phil

brandonschnell

$pos = strpos ($pic_type, "image/");
if ($pos === false)
{
error_message("Your must submit a picture file");
}

http://www.php.net/manual/en/function.strpos.php

Anon

I'm not sure there's a way to tell php that a file is a picture. You just have to list the extensions. The way I'd do it is

$ext = substr($pic_type, -3);

$arr = array("gif","jpg","png","bmp");

for($i=0, $i < sizeof($arr), $i++)
{
if( $ext != $arr[$i] )
{
echo "Only image files are allowed";
}
}

Just add all the image extensions you want into the array.
The above code is not tested, but I'm sure you can make it work.

Richie.

kparker

Why not use a regex?

if (ereg("\.(jpeg)|(gif)|(png)$", $filename ))
   {
   //it's ok
   }
   else
   {
   // not a (supported) image type
   }

One caution: I just wrote the regex off the top of my head, so
I strongly advise you to check the manual before you consider
it the exact right way to do it.

Anon

richie- you rule! thanks. your script didnt work out but it got me thinking. this is what i did instead. by the way, i only wanted to use jpg files to begin with. but when it didnt work out that way, i settled for any type of picture file.

$ext = substr(basename($pic_name), -3);
if($ext != "jpg") die("Only JPG picture files allowed!");

-phil

kparker

To be a little safer, you might consider taking that last 4 chars and making sure the first one is a dot.