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<?php

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

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

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public string CleanHtml(object Html) {
	var s = Html.ToString();
	var b = new StringBuilder();
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#!/usr/bin/php
<?php
/**
...

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