PHP - Function ftell()

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The ftell() function can return the current position in an open file. It can return the current file pointer position on success or false on failure.

Syntax

int ftell ( resource $handle )

This function can return the position of file pointer referenced by the handle, which means its offset into the file stream.

Example-1

<?php
   $file = fopen("/PhpProject/sample.txt", "r");

   // print current position
   echo ftell($file);

   // change current position
   fseek($file, "10");

   // print current position again
   echo "\n" . ftell($file);

   fclose($file);
?>

Output

0
10

Example-2

<?php
   // opens a file and read data
   $file = fopen("/PhpProject/sample.txt", "r");
   $data = fgets($file, 7);

   echo ftell($file); 
   fclose($file);
?>

Output

6