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PHP readfile() Function

PHP Filesystem Reference Complete PHP Filesystem Reference

Definition and Usage

The readfile() function reads a file and writes it to the output buffer.

This function returns the number of bytes read on success, or FALSE and an error on failure. You can hide the error output by adding an '@' in front of the function name.

Syntax

readfile(filename,include_path,context)

Parameter Description
filename Required. Specifies the file to read
include_path Optional. Set this parameter to '1' if you want to search for the file in the include_path (in php.ini) as well
context Optional. Specifies the context of the file handle. Context is a set of options that can modify the behavior of a stream

Tips and Notes

Tip: You can use a URL as a filename with this function if the fopen wrappers have been enabled in the php.ini file.

Example

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

The output of the code above will be:

There are two lines in this file.
This is the last line.
57

PHP Filesystem Reference Complete PHP Filesystem Reference
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