ftell

Description

Returns the position of the file pointer referenced by handle; i.e., its offset into the file stream.

If an error occurs, returns FALSE.

The file pointer must be valid, and must point to a file successfully opened by fopen() or popen(). ftell() gives undefined results for append-only streams (opened with "a" flag).

Example 1. ftell() example <?php // opens a file and read some data $fp = fopen("/etc/passwd", "r"); $data = fgets($fp, 12); // where are we ? echo ftell($fp); // 11 fclose($fp); ?>

See also fopen(), popen(), fseek(), and rewind().