Support/Comments for Anti-Spam Email Plugin

/**
 * NAME: Anti-Spam Email
 * DESC: Automatically encodes all email addresses in your site to unicode, it is believed that this will stop spam-bots being able to find your email address, but is not guaranteed.
 * @author Ivan Vanderbyl
 * @version 1.2
 * Based on Email Link Obfuscator 1.0.2 by cyberk.
 **/

	function replaceEntities($str) {
		$str=html_entity_decode($str);
		for ($i = 0 ; $i < strlen($str) ; $i++) {
			$strreplaced = $strreplaced . '&#' . ord($str{$i}) . ';';
		}
		return $strreplaced;
	}

	function emailaddress($matches) {
		$strMailtoTag = replaceEntities("mailto:");
		$strNewAddress = replaceEntities($matches[1]);
		$strText = replaceEntities($matches[2]);
		$arrEmail = explode('@',$strNewAddress);
                $strTag= '<a href="'.$strMailtoTag.$strNewAddress.'">'.$strText.'</a>';
		return $strTag;
	}

	$modx->documentOutput=preg_replace_callback("#<a[^>]*mailto:([^'\" ]*)['\" ]>([^<]*)</a>#i", emailaddress, $modx->documentOutput);