How to read write data in properties file using php

For reading and writing data into properties file I am using parse_ini_file() function in this post.
Create a file name with extension .properties like I have created below:

Reading Data: below code read data from above file using key:

function getValue($key)

{

    $ini_array = parse_ini_file("File.properties");

    $value =  $ini_array[$key];

    return $value;

}

getValue(“Name”);

getValue(“URL”);