is_readable Tells whether the filename is readable boolis_readable stringfilename Returns &true; if the file or directory specified by filename exists and is readable. 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. ]]> ¬e.clearstatcache; &tip.fopen-wrapper.stat; The check is done using the real UID/GID instead of the effective one. See also is_writable, file_exists, and fgets.