PHP | readfile() 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 readfile() Function.

The built-in PHP readfile() function reads a file and then writes it to the output buffer.

Syntax

Following below is the syntax to use this function -

int readfile ( string $filename [, bool $use_include_path = FALSE [, resource $context ]] )

READ: PHP | linkinfo() Function

This function can read a file and then write it to the output buffer. We can use the URL as a filename with this function. If the PHP fopen() function wrappers is enabled in the php.ini file.

Return Value

This built-in function returns the number of bytes read on success, or false and an error on failure. We can hide the error output by adding an "@" in front of the function name.

Example

Try out the below example -

<?php
   echo readfile("/PhpProject/sample.txt");
?>

Output

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

Webdesigntutorialz
Webdesign
29

READ: PHP | popen() 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 readlink() 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.