PHP function rewind() and example

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PHP function rewind() and example
Posted on: October 30, 2009 at 12:00 AM

In this part of the tutorial we will learn about the function rewind in context of file handling. And also we will see the example related to the rewind function

PHP rewind() Function Syntax

bool rewind(file_handle)

In file handling the file pointer goes to other position after reading the file.
rewind() function is used to set the pointer at the beginning position in the file.

Example of PHP rewind() Function

<?php
    $file=fopen("roseindia.txt","r");
    echo "<br>file pointer position ".ftell($file);
    fgets($file);
    fgets($file);
    echo "<br>file pointer position ".ftell($file);
    rewind($file);
    echo "<br>after rewind file pointer position ".ftell($file);
?>

Output

file pointer position 0
file pointer position 345
after rewind file pointer position 0

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