PHP | rewind() Function

Hello folks! welcome back to a new edition of our tutorial on PHP. In this tutorial guide, we are going to be studying about the PHP rewind() Function.

The rewind() function rewinds the position of a file pointer to the beginning of the file.

Syntax

Following below is the syntax to use this function -

bool rewind ( resource $handle )

READ: PHP | realpath() Function

It sets the file position indicator for stream to the beginning of the file stream. If we have opened a file in append ("a" or "a+") mode, any data written to a file can always be appended, irrespective of the file pointer position.

Return Value

This PHP function returns true on success, or false on failure.

Example1

Try out the below example -

<?php
   $handle = fopen("/PhpProject/sample.txt", "r+");

   fwrite($handle, "Long sentence");
   rewind($handle);
   fwrite($handle, "Hello PHP");
   rewind($handle);
 
   echo fread($handle, filesize("/PhpProject/sample.txt"));
   fclose($handle);
?>

Output

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

Hello PHPence

Example2

Try out the below example -

<?php
   $file = fopen("/PhpProject/sample.txt", "r");

   fseek($file, "15");  // Change the position of file pointer
   rewind($file);  // Set the file pointer to 0
   
   fclose($file);
?>

READ: PHP | rename() Function

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

Do feel free to ask your questions where necessary and we will attend to them as soon as possible. If this tutorial was helpful to you, you can use the share button to share this tutorial.

Follow us on our various social media platforms to stay updated with our latest tutorials. You can also subscribe to our newsletter in order to get our tutorials delivered directly to your emails.

Thanks for reading and bye for now.