SplFileObject::ftell
(PHP 5 >= 5.1.0)
SplFileObject::ftell — Return current file position
說明
public int SplFileObject::ftell
( void
)
Returns the position of the file pointer which represents the current offset in the file stream.
參數
此函式沒有參數。
回傳值
Returns the position of the file pointer as an integer, or FALSE on error.
範例
Example #1 SplFileObject::ftell() example
<?php
$file = new SplFileObject("/etc/passwd");
// Read first line
$data = $file->fgets();
// Where are we?
echo $file->ftell();
?>
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