PHP | fflush() 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 fflush() Function.

The PHP built-in fflush() function writes all the buffered output to an open file.

Syntax

Following below is the syntax to use this function -

bool fflush ( resource $handle )

READ: PHP | feof() Function

The built-in fflush() function forces a write of all the buffered output to the resources pointed to by the file handle.

Return Value

This built-in PHP function returns TRUE on success and FALSE on failure.

Example

Try out the below example -

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

   // some code
   fflush($file);
   
   echo $file;
   fclose($file);
?>

Output

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

Resource id #5

READ: PHP | fclose() Function

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

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