Exec command doesn't work as expected

Question

I\'m trying to launch a CLI command from a PHP script:

in particular I wanna use this command convert a.png a.tif to convert an image to tiff.

W

Answer 1

The PHP script probably doesn't know where to find these things you're referring to in the exec command. When you run this from the command line, the shell will look for them in the directory you are in at that point in time; but when you run it from PHP, it probably defaults to the PHP dir and not the specific dir in which your files are. So write out the full path.