PHP | fflush() Function

PHP fflush() Function


Hello dear readers! welcome back to another edition of our tutorial on PHP. In this tutorial guide, we are going to be discussing 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 )


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


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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