PHP readfile() Function

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In this article, you will learn how to read a file in PHP. The readfile() function in PHP reads a file and writes it to the output buffer.

You can also use the URL to the file in the filename parameter. For this, enable fopen wrappers in the PHP.ini file.

what is the syntax of the READFILE function in php?

readfile(file, include_path, context)
ParameterDescription
fileRequired. Specifies the file to read
include_pathOptional. Set this parameter to TRUE if you want to search for the file in the include_path (in php.ini) as well
contextOptional. Specifies the context of the file handle. Context is a set of options that can modify the behavior of a stream
PHP READFILE() method

examples of the READFILE function

Example 1. In this example, we read a file.

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

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