PHP function to obfuscate an email address

obfuscate_email()

/**
 * Obfuscate an email address
 *
 * @param string {$email} email address
 * @param boolean {$isLink} create mailto link or not
 *
 * @return string
 *
 */
function obfuscate_email( $email, $isLink = FALSE ) {
	$ret = '';
	$len = strlen( $email );
	
	for ( $i = 0; $i < $len; $i++ ) {
		$ret .= '&#'.ord( $email[ $i ] ).';';
	}
	
	if ( $isLink ) {
		$ret = '<a href="mailto:'.$ret.'">'.$ret.'</a>';
	}
	
	return $ret;
}