Home > php教程 > php手册 > body text

php常用表单验证类用法实例,php表单验证实例

WBOY
Release: 2016-06-13 09:00:48
Original
1004 people have browsed it

php常用表单验证类用法实例,php表单验证实例

本文实例讲述了php常用表单验证类用法。分享给大家供大家参考。具体如下:

<&#63;php
/**
* 页面作用:常用表单验证类
* 作 者:欣然随风
* QQ:276624915
*/
class class_post
{
//验证是否为指定长度的字母/数字组合
function fun_text1($num1,$num2,$str)
{
   Return (preg_match("/^[a-zA-Z0-9]{".$num1.",".$num2."}$/",$str))&#63;true:false;
}
//验证是否为指定长度数字
function fun_text2($num1,$num2,$str)
{
   return (preg_match("/^[0-9]{".$num1.",".$num2."}$/i",$str))&#63;true:false;
}
//验证是否为指定长度汉字
function fun_font($num1,$num2,$str)
{
// preg_match("/^[\xa0-\xff]{1,4}$/", $string);
 
  return (preg_match("/^([\x81-\xfe][\x40-\xfe]){".$num1.",".$num2."}$/",$str))&#63;true:false;
}
//验证身份证号码
function fun_status($str)
{
   return (preg_match('/(^([\d]{15}|[\d]{18}|[\d]{17}x)$)/',$str))&#63;true:false;
}
//验证邮件地址
function fun_email($str){
   return (preg_match('/^[_\.0-9a-z-]+@([0-9a-z][0-9a-z-]+\.)+[a-z]{2,4}$/',$str))&#63;true:false;
}
//验证电话号码
function fun_phone($str)
{
  return (preg_match("/^((\(\d{3}\))|(\d{3}\-))&#63;(\(0\d{2,3}\)|0\d{2,3}-)&#63;[1-9]\d{6,7}$/",$str))&#63;true:false;
}
//验证邮编
function fun_zip($str)
{
  return (preg_match("/^[1-9]\d{5}$/",$str))&#63;true:false;
}
//验证url地址
function fun_url($str)
{
  return (preg_match("/^http:\/\/[A-Za-z0-9]+\.[A-Za-z0-9]+[\/=\&#63;%\-&_~`@[\]\':+!]*([^<>\"\"])*$/",$str))&#63;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
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 $data;
}
// 数据出库 还原 特殊字符 传入值可为字符串 或 一/二维数组
function data_revert(&$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 $data;
}
// 数据显示 还原 数据格式 主要用于内容输出 传入值可为字符串 或 一/二维数组
// 执行此方法前应先data_revert(),表单内容无须此还原
function data_show(&$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;
}
}
&#63;>

Copy after login

希望本文所述对大家的php程序设计有所帮助。

Related labels:
source:php.cn
Statement of this Website
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
Popular Recommendations
Popular Tutorials
More>
Latest Downloads
More>
Web Effects
Website Source Code
Website Materials
Front End Template
About us Disclaimer Sitemap
php.cn:Public welfare online PHP training,Help PHP learners grow quickly!