常用表单验证类

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<?php
/**
 * 常用表单验证类
 * Created by PhpStorm.
 * User: 刘抱
 * Date: 2018/11/22
 * Time: 17:26
 */

namespace Home\Services;


class PostCheckService
{
    //验证是否为指定长度的字母/数字组合
    public static function fun_text1($num1, $num2, $str)
    {
        Return (preg_match("/^[a-zA-Z0-9]{" . $num1 . "," . $num2 . "}$/", $str)) ? true : false;
    }

    //验证是否为指定长度数字
    public static function fun_text2($num1, $num2, $str)
    {
        return (preg_match("/^[0-9]{" . $num1 . "," . $num2 . "}$/i", $str)) ? true : false;
    }

    //验证是否为指定长度汉字
    public static function fun_font($num1, $num2, $str)
    {
    // preg_match("/^[\xa0-\xff]{1,4}$/", $string);

        return (preg_match("/^([\x81-\xfe][\x40-\xfe]){" . $num1 . "," . $num2 . "}$/", $str)) ? true : false;
    }

    //验证身份证号码
    public static function fun_status($str)
    {
        return (preg_match('/(^([\d]{15}|[\d]{18}|[\d]{17}x)$)/', $str)) ? true : false;
    }

    //验证邮件地址
    public static function fun_email($str)
    {
        return (preg_match('/^[_\.0-9a-z-]+@([0-9a-z][0-9a-z-]+\.)+[a-z]{2,4}$/', $str)) ? true : false;
    }

    //验证电话号码
    public static function fun_phone($str)
    {
        return (preg_match("/^((\(\d{3}\))|(\d{3}\-))?(\(0\d{2,3}\)|0\d{2,3}-)?[1-9]\d{6,7}$/", $str)) ? true : false;
    }

    //验证邮编
    public static function fun_zip($str)
    {
        return (preg_match("/^[1-9]\d{5}$/", $str)) ? true : false;
    }

    //验证url地址
    public static function fun_url($str)
    {
        return (preg_match("/^http:\/\/[A-Za-z0-9]+\.[A-Za-z0-9]+[\/=\?%\-&_~`@[\]\':+!]*([^<>\"\"])*$/", $str)) ? true : false;
    }

    // 数据入库 转义 特殊字符 传入值可为字符串 或 一维数组
    public static function data_join(&$data)
    {
        if (get_magic_quotes_gpc() == false) {
            if (is_array($data)) {
                foreach ($data as $k => $v) {
                    $data[$k] = addslashes($v);
                }
            } else {
                $data = addslashes($data);
            }
        }
        Return $data;
    }

    // 数据出库 还原 特殊字符 传入值可为字符串 或 一/二维数组
    public static function data_revert(&$data)
    {
        if (is_array($data)) {
            foreach ($data as $k1 => $v1) {
                if (is_array($v1)) {
                    foreach ($v1 as $k2 => $v2) {
                        $data[$k1][$k2] = stripslashes($v2);
                    }
                } else {
                    $data[$k1] = stripslashes($v1);
                }
            }
        } else {
            $data = stripslashes($data);
        }
        Return $data;
    }
    // 数据显示 还原 数据格式 主要用于内容输出 传入值可为字符串 或 一/二维数组
    // 执行此方法前应先data_revert()，表单内容无须此还原
    public static function data_show(&$data)
    {
        if (is_array($data)) {
            foreach ($data as $k1 => $v1) {
                if (is_array($v1)) {
                    foreach ($v1 as $k2 => $v2) {
                        $data[$k1][$k2] = nl2br(htmlspecialchars($data[$k1][$k2]));
                        $data[$k1][$k2] = str_replace(" ", " ", $data[$k1][$k2]);
                        $data[$k1][$k2] = str_replace("\n", "<br>\n", $data[$k1][$k2]);
                    }
                } else {
                    $data[$k1] = nl2br(htmlspecialchars($data[$k1]));
                    $data[$k1] = str_replace(" ", " ", $data[$k1]);
                    $data[$k1] = str_replace("\n", "<br>\n", $data[$k1]);
                }
            }
        } else {
            $data = nl2br(htmlspecialchars($data));
            $data = str_replace(" ", " ", $data);
            $data = str_replace("\n", "<br>\n", $data);
        }
        Return $data;
    }
}