How to use file function

php file() function is used to read the entire file into an array.

php file() function Syntax

Function: Read the entire file into an array.

Syntax:

file(path,include_path,context)

Parameters:

path Required. Specifies the file to be read.

include_path Optional. If you also want to search for files in include_path, you can set this parameter to "1".

context Optional. Specifies the environment for a file handle. context is a set of options that can modify the behavior of the stream. If null is used, it is ignored.

Note: Each row in the returned array includes line terminators, so if line terminators are not required, you need to use the rtrim() function.

php file() function example

<?php
$txt = file("./test.txt");
print_r($txt);
?>

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

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