is_writable Tells whether the filename is writable &reftitle.description; boolis_writable stringfilename 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'). &reftitle.parameters; filename The filename being checked. &reftitle.returnvalues; Returns &true; if the filename exists and is writable. &reftitle.errors; &fs.emits.warning.on.failure; &reftitle.examples; ]]> &reftitle.notes; ¬e.clearstatcache; &tip.fopen-wrapper.stat; &reftitle.seealso; is_readable file_exists fwrite