PHP is_file Function

Definition :

The PHP is_file() function checks whether the given filename is a regular file.

Note: The results of this function are cached. Use clearstatcache() function to clear the cache.

   is_file(file)

Lets assume that we have a file called demo.txt in the current working directory. The example below demonstrates on using this function to check whether the given filename is a regular file.

Output :

test.txt is not a regular file.
temp/test is not a regular file.
demo.txt is a regular file.