PHP | ftell() Function

Hello dear readers! welcome back to another edition of our tutorial on PHP. In this tutorial guide, we are going to be discussing about the PHP ftell() Function.

The built-in PHP ftell() function returns the current position in an open file.

Syntax

Following below is the syntax to use this function -

int ftell ( resource $handle )

READ: PHP | fstat() Function

This function returns the position of the file pointer referenced by the handle, which means it offset into the file stream.

Return Value

This built-in PHP function returns the current file pointer position on success or false on failure.

Example1

Try out the below example -

<?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

When the above code is executed, it will produce the following result -

0
10

Example2

Try out the below example -

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

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

Output

When the above code is executed, it will produce the following result -

6

READ: PHP | fputs() Function

Alright guys! This is where we are rounding up for this tutorial post. In our next tutorial guide, we are going to be discussing about the PHP ftruncate() Function.

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