PHP | SplFileObject rewind() Function

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The SplFileObject::rewind() function is an inbuilt function of Standard PHP Library (SPL) in PHP which is used to Rewind the file to the first line.

Syntax:

void SplFileObject::rewind( $line_num)

Parameters: This function does not accept any parameter.

Return values: This function does not return any value.

Below Programs illustrate the SplFileObject::rewind() function in PHP:
Program-1:

php

<?php
 
// PHP program to illustrate
// SplFileObject::rewind function
 
$file = new SplFileObject(__FILE__);
 
$file->rewind();
 
echo $file->current();
?>

Output:

<?php

Program-2:

php

<?php 
  
// PHP program to use array to check 
// multiple files 
$GFG = array(
    "/home/rajvir/Desktop/zambiatek/dummy.php",
    "gfg.txt",
    "mime.php"
    );
  
foreach ($GFG as &$file_name) { 
  
    $file = new SplFileObject($file_name);
    $file->rewind();
    echo $file->current();
    }
?>