Append content to Robots.txt

append_robots.snippet

<?php 

/**
* Snippet Action: Append content to Robots.txt
* Snippet Type:   Return info from Child Sites. ( IMPORTANT! This will make it run one time )
* Snippet Author: Keith Crain ( MainWP.com )
*/

// The string you want to add.
$txt = "
###################################################################
# The Ultimate robots.txt Bot and User-Agent Blocker
# Copyright:
# https://github.com/mitchellkrogza/apache-ultimate-bad-bot-blocker
###################################################################
";
$myfile = file_put_contents('robots.txt', $txt.PHP_EOL , FILE_APPEND | LOCK_EX);