"; } function println($content) { print_r($content); echo "
"; } // 替换为html转义字符，否则插入sql会有问题 function html_escape_string($str) { $str = str_replace("'", "'", $str); // ' $str = str_replace('"', """, $str); // " return $str; } function redirect($url){ header('Location: '.$url); } ?>