how to check whether file is image or video type in php version 5.2.9? -

How to check that file is the image or video type in the PHP version 5.2.9

  $ mime = mime_content_type ($ file); {Strstr ($ mime, "video /")} {// this code for video} and if (strstr ($ mime, "image /")) {// this code for image}  < / Pre> 
 should work for more file extensions.