PHP is_file() Function

Check whether the specified filename is a regular file:

<?php
$file = "test.txt";
if(is_file($file)) {
echo ("$file is a regular file");
} else {
echo ("$file is not a regular file");
}
?>

The output of the code above could be:

test.txt is a regular file

Definition and Usage

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

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

is_file( file)

Parameter	Description
file	Required. Specifies the path to the file to check

Return Value:	TRUE if the file is a regular file, FALSE otherwise
PHP Version:	4.0+