(PHP 5 >= 5.1.0, PHP 7)
SplFileObject::ftell — Return current file position
public SplFileObject::ftell ( ) : int
Returns the position of the file pointer which represents the current offset in the file stream.
This function has no parameters.
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(); ?>
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https://www.php.net/manual/en/splfileobject.ftell.php