is_readable Tells whether a file exists and is readable &reftitle.description; boolis_readable stringfilename Tells whether a file exists and 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; ]]> &reftitle.errors; &fs.emits.warning.on.failure; &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 before PHP 5.1.5. ¬e.clearstatcache; &tip.fopen-wrapper.stat; The check is done using the real UID/GID instead of the effective one. This function may return &true; for directories. Use is_dir to distinguish file and directory. &reftitle.seealso; is_writable file_exists fgets