Returns TRUE if the 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.
Σημείωση: Τα αποτελέσματα αυτής της συνάρτησης έχουν γίνει cache. Δείτε την clearstatcache() για περισσότερες πληροφορίες.
Υπόδειξη: As of PHP 5.0.0 this function can also be used with some URL wrappers. Refer to Παράρτημα J for a listing of which wrappers support stat() family of functionality.
See also is_writable(), file_exists(), and fgets().