Ch-13 ftell(),fseek() and rewind () function

ftell() function is use to know pointer location.

fseek() set pointer at  instructed location.

for example:

fseek($file,0)--> set pointer at begining.

fseek($file,5)--> set pointer at 5 location 

<?php

$file=fopen("user.txt","r");

echo ftell($file);

fseek($file,5);

echo ftell($file);

?>

rewind() function set pointer at 0 location

<?php

$file=fopen("user.txt","r");

echo ftell($file);

rewind($file);

echo ftell($file);

?>