PHP 4, PHP 5, PHP 7, PHP 8
is_file - Tells whether the filename is a regular file
Code Examples

is_file( string$filename ): bool

Tells whether the given file is a regular file.



Path to the file.

Return Values

Returns true if the filename exists and is a regular file, false otherwise.


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.

Exceptions and Errors

Upon failure, an E_WARNING is emitted.



The results of this function are cached. See clearstatcache for more details.

As of PHP 5.0.0, this function can also be used with some URL wrappers. Refer to to determine which wrappers support stat family of functionality.

Related Functions

Example of is_file

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