<?php

$text = htmlentities($_POST['text']);
...

has_many :fight_wins, :class_name => 'Fight', :finder_sql =>
      '#{sanitize_sql_array(
          "SELECT f.* 
...

public string CleanHtml(object Html) {
	var s = Html.ToString();
	var b = new StringBuilder();
...

#!/usr/bin/php
<?php
/**
...

private static Regex _tags = new Regex("<[^>]*(>|$)",
    RegexOptions.Singleline | RegexOptions.ExplicitCapture | RegexOptions.Compiled);
private static Regex _whitelist = new Regex(@"
...