PHP | readfile() Function

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.


Following below is the syntax to use this function -

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

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.


Try out the below example -

   echo readfile("/PhpProject/sample.txt");


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


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.

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