rewind 


php128 apg

SETS the file position indicator for handle to the beginning of the file stream.





This function returns TRUE on success or FALSE on failure.



<?php

bool rewind ( res $stream )


where,

$stream = The valid file pointer opened by fopen

?>

 $stream 


A valid file pointer to a successfully opened such as by the fopen function.



  1 EXERCISE   

<?php

$fl01 = PATH2TPW . 'sw7.jpg';

$opts01 = [ 'http' => [ 'method'=>"POST",
          'header' => "Accept-language: en",
          'content' => $fl01 ] ]; 

$cntxt01 = stream_context_create($opts01);

var_dump($cntxt01);

echo '<br><br>';


$fopen01 = fopen($fl01, "r", false, $cntxt01);

rewind($fopen01);
// RESETS THE FILE POINTER TO THE BEGINNING

fclose($fopen01);

?>

 RESULT   

resource(7) of type (stream-context)

This is a particular resource.