HTML.php

<?php 
class sb_HTML{
	
	/**
	 * Recursively htmlspecialchars string properties of objects and arrays 
	 * @param mixed $mixed The object or array to convert
	 * @param int $quote_style ent quote style from htmlspecialchars
	 * @param string $charset The charset from  htmlspecialchars
	 * @return type 
	 */
	public static function escape($mixed, $quote_style = ENT_QUOTES, $charset = 'UTF-8') {
		
		if (is_string($mixed)) {
			$mixed = htmlspecialchars($mixed, $quote_style, $charset);
		} else if (is_object($mixed) || is_array($mixed)) {
			foreach ($mixed as $k => &$v) {
				if ($v) {
					if (is_object($mixed)) {
						$mixed->$k = self::escape($v, $quote_style, $charset);
					} else {
						$mixed[$k] = self::escape($v, $quote_style, $charset);
					}
				}
			}
		}

		return $mixed;
	}

	/**
	 * Recursively unhtmlspecialchars string properties of objects and arrays 
	 * @param mixed $mixed The object or array to convert
	 * @param int $quote_style ent quote style from htmlspecialchars
	 * @param string $charset The charset from  htmlspecialchars
	 * @return type 
	 */
	public static function unescape($mixed, $quote_style = ENT_QUOTES, $charset = 'UTF-8') {
		
		if (is_string($mixed)) {
			$mixed = str_replace('&amp;', '&', $mixed);
			$mixed = str_replace('&#039;', '\'', $mixed);
			$mixed = str_replace('&quot;', '"', $mixed);
			$mixed = str_replace('&lt;', '<', $mixed);
			$mixed = str_replace('&gt;', '>', $mixed);
		} else if (is_object($mixed) || is_array($mixed)) {
			foreach ($mixed as $k => &$v) {
				if ($v) {
					if (is_object($mixed)) {
						$mixed->$k = self::unescape($v);
					} else {
						$mixed[$k] = self::unescape($v);
					}
				}
			}
		}

		return $mixed;
	}
}
?>