(PHP 5 >= 5.1.0)
SplFileObject::ftell — Return current file position
Returns the position of the file pointer which represents the current offset in the file stream.
У этой функции нет параметров.
Returns the position of the file pointer as an integer, or FALSE on error.
Пример #1 SplFileObject::ftell() example
<?php
$file = new SplFileObject("/etc/passwd");
// Read first line
$data = $file->fgets();
// Where are we?
echo $file->ftell();
?>