Tells whether the filename is writable is_uploaded_file is_writeable Filesystem Functions PHP Manual is_writable (PHP 4, PHP 5)is_writable — Tells whether the filename is writable Description bool is_writable ( string $filename ) Returns TRUE if the filename exists and is writable. The filename argument may be a directory name allowing you to check if a directory is writable. Keep in mind that PHP may be accessing the file as the user id that the web server runs as (often 'nobody'). Safe mode limitations are not taken into account. Parameters filename The filename being checked. Return Values Returns TRUE if the filename exists and is writable. Examples Example #1 is_writable() example <?php$filename = 'test.txt';if (is_writable($filename)) { echo 'The file is writable';} else { echo 'The file is not writable';}?> Notes Note: The results of this function are cached. See clearstatcache() for more details. TipAs of PHP 5.0.0, this function can also be used with some URL wrappers. Refer to List of Supported Protocols/Wrappers for a listing of which wrappers support stat() family of functionality. See Also is_readable() file_exists() fwrite() is_uploaded_file is_writeable Filesystem Functions PHP Manual
