(PHP 4, PHP 5, PHP 7)
is_file — Tells whether the filename is a regular file
Tells whether the given file is a regular file.
Path to the file.
TRUE if the filename exists and is a regular file,
Note: Because PHP's integer type is signed and many platforms use 32bit integers, some filesystem functions may return unexpected results for files which are larger than 2GB.
Example #1 is_file() example
var_dump(is_file('a_file.txt')) . "\n";
var_dump(is_file('/usr/bin/')) . "\n";
The above example will output:
Upon failure, an
E_WARNING is emitted.
Note: The results of this function are cached. See clearstatcache() for more details.