is_readable Tells whether the filename is readable &reftitle.description; boolis_readable stringfilename Tells whether the filename is readable. &reftitle.parameters; filename Path to the file. &reftitle.returnvalues; Returns &true; if the file or directory specified by filename exists and is readable, &false; otherwise. &reftitle.examples; <function>is_readable</function> example ]]> &reftitle.notes; 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. &reftitle.seealso; is_writable file_exists fgets