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Dokumen ini menggunakan Manual laman web PHP Cina Lepaskan
(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.
此函数没有参数。
Returns the position of the file pointer as an integer, or FALSE
on error.
Example #1 SplFileObject::ftell() example
<?php
$file = new SplFileObject ( "/etc/passwd" );
// Read first line
$data = $file -> fgets ();
// Where are we?
echo $file -> ftell ();
?>