ftell() function in PHP

ftell() function returns the current position of the open file. This function returns the current file pointer position. If it fails, returns FALSE.

Syntax

ftell(file_pointer)

Parameters

• file_pointer − The file pointer created using fopen(). Required.

Return value

ftell() function returns the current file pointer position. On failure, returns FALSE.

Example

<?php
   $file_pointer = fopen("new.txt","r");
   echo ftell($file_pointer);
   fclose($file_pointer);
?>

Output

0

Let us see another example where the current position is changed.

Example

<?php
   $file_pointer = fopen("new.txt","r");
   // changing current position
   fseek($file_pointer,"10");
   // displaying current position
   echo ftell($file_pointer);
   fclose($file_pointer);
?>

The following is the output. The current position is returned.

Output

10

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