PHP filesize() Function

The filesize() function returns the size of the specified file.This function returns the file size in bytes on success or FALSE on failure.

int filesize ( string $filename )

Gets the size for the given file.

Example -

Note -

The result of this function are cached. Use clearstatcache() to clear the cache.

Return Values -

Returns the size of the file in bytes, or FALSE (and generates an error of level E_WARNING) in case of an error.

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.