On GitHub, several projects have README.md files. It seems like a simple format file to express text and pictures.
I guess there is an editor or syntax explanation somewhere.
Where can I find an introduction to .md files?
I wish to get the file extension of an image I am uploading, but I just get an array back.
$userfile_name = $_FILES['image']['name'];
$userfile_extn = explode(".", strtolower($_FILES['image']['name']));
Is there a way to just get the …