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php常用表单验证类用法实例_PHP

WBOY
WBOYOriginal
2016-05-30 08:44:51845browse

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;
}
}
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希望本文所述对大家的php程序设计有所帮助。

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