(PHP 3, PHP 4 >= 4.0.0)

is_executable -- Tells whether the filename is executable


bool is_executable ( string filename)

Returns TRUE if the filename exists and is executable.

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

This function will not work on remote files; the file to be examined must be accessible via the server's filesystem.

See also is_file() and is_link().