How to use readfile function

php readfile() function is used to output a file.

php readfile() function Syntax

Function: Output a file.

Syntax:

readfile(filename,include_path,context)

Parameters:

filename Required. Specifies the file to be read.

include_path Optional. If you also want to search for files in include_path, you can use this parameter and set it to true.

context Optional. Specifies the environment for a file handle. Context is a set of options that can modify the behavior of the stream.

Description: This function reads a file and writes it to the output buffer. If successful, returns the number of bytes read from the file. On failure, returns false.

php readfile() function example

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

This article is an introduction to the PHP readfile function. I hope it will be helpful to friends in need!

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