PHP | readfile() Function

PHP readfile() 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 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 ]] )


This built-in PHP 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 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


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

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