PHP: How to display a default Image if the specified one doesn't exists?

Question

I am working on a little project and I need to display the author\'s image for each author in my database. peep the code below:

--THE QUERY--

Answer 1

try

if ( !file_exists( 'images/artists/' . $filename ) ) {
   $artist_name = 'holderthumbnail';
}

have holderthumbnail.jpg in your 'artists' directory