PHP验证表单的具体实现方式_PHP教程

<OL class=dp-xml><LI class=alt><SPAN><STRONG><FONT color=#006699><SPAN class=tag><?</SPAN><SPAN class=tag-name>php</SPAN></FONT></STRONG><SPAN>   </SPAN></SPAN><LI class=""><SPAN>class class_post  </SPAN><LI class=alt><SPAN>{  </SPAN><LI class=""><SPAN>   //验证是否为指定长度的字母/数字组合  </SPAN><LI class=alt><SPAN>   function fun_text1($num1,$num2,$str)  </SPAN><LI class=""><SPAN>   {  </SPAN><LI class=alt><SPAN>    Return (preg_match("/^[a-zA-Z0-9]{".$num1.",".$num2."}$/",$str))?true:false;  </SPAN><LI class=""><SPAN>   }   </SPAN><LI class=alt><SPAN>   //验证是否为指定长度数字  </SPAN><LI class=""><SPAN>   function fun_text2($num1,$num2,$str)  </SPAN><LI class=alt><SPAN>   {  </SPAN><LI class=""><SPAN>    return (preg_match("/^[0-9]{".$num1.",".$num2."}$/i",$str))?true:false;  </SPAN><LI class=alt><SPAN>   }  </SPAN><LI class=""><SPAN>   //验证是否为指定长度汉字  </SPAN><LI class=alt><SPAN>   function fun_font($num1,$num2,$str)  </SPAN><LI class=""><SPAN>   {  </SPAN><LI class=alt><SPAN>    // preg_match("/^[xa0-xff]{1,4}$/", $string);  </SPAN><LI class=""><SPAN>    return (preg_match("/^([x81-xfe][x40-xfe]){".$num1.",".$num2."}$/",$str))?true:false;  </SPAN><LI class=alt><SPAN>   }  </SPAN><LI class=""><SPAN>   //验证身份证号码  </SPAN><LI class=alt><SPAN>   function fun_status($str)  </SPAN><LI class=""><SPAN>   {  </SPAN><LI class=alt><SPAN>    return (preg_match('/(^([d]{15}|[d]{18}|[d]{17}x)$)/',$str))?true:false;  </SPAN><LI class=""><SPAN>   }  </SPAN><LI class=alt><SPAN> </SPAN><LI class=""><SPAN>   //验证邮件地址  </SPAN><LI class=alt><SPAN>   function fun_email($str){  </SPAN><LI class=""><SPAN>    return (preg_match('/^[_.0-9a-z-]+@([0-9a-z][0-9a-z-]+.)+[a-z]{2,4}$/',$str))?true:false;  </SPAN><LI class=alt><SPAN>   }  </SPAN><LI class=""><SPAN>   //验证电话号码  </SPAN><LI class=alt><SPAN>   function fun_phone($str)  </SPAN><LI class=""><SPAN>   {  </SPAN><LI class=alt><SPAN> </SPAN><LI class=""><SPAN>    return (preg_match("/^(((d{3}))|(d{3}-))?((0d{2,3})|0d{2,3}-)?[1-9]d{6,7}$/",$str))?true:false;  </SPAN><LI class=alt><SPAN>   }  </SPAN><LI class=""><SPAN>   //验证邮编  </SPAN><LI class=alt><SPAN>   function fun_zip($str)  </SPAN><LI class=""><SPAN>   {  </SPAN><LI class=alt><SPAN>    return (preg_match("/^[1-9]d{5}$/",$str))?true:false;  </SPAN><LI class=""><SPAN>   }  </SPAN><LI class=alt><SPAN>   //验证url地址  </SPAN><LI class=""><SPAN>   function fun_url($str)  </SPAN><LI class=alt><SPAN>   {  </SPAN><LI class=""><SPAN>    return (preg_match("/^http://[A-Za-z0-9]+.[A-Za-z0-9]+[/=?%-&_~`@[]':+!]*([^</SPAN><STRONG><FONT color=#006699><SPAN class=tag><</SPAN><SPAN class=tag>></SPAN></FONT></STRONG><SPAN>""])*$/",$str))?true:false;  </SPAN></SPAN><LI class=alt><SPAN>   }  </SPAN><LI class=""><SPAN> </SPAN><LI class=alt><SPAN>   // 数据入库 转义 特殊字符 传入值可为字符串 或 一维数组  </SPAN><LI class=""><SPAN>   function data_join(&$data)  </SPAN><LI class=alt><SPAN>   {  </SPAN><LI class=""><SPAN>    if(get_magic_quotes_gpc() == false)  </SPAN><LI class=alt><SPAN>    {  </SPAN><LI class=""><SPAN>     if (is_array($data))  </SPAN><LI class=alt><SPAN>     {  </SPAN><LI class=""><SPAN>      foreach ($data as $</SPAN><SPAN class=attribute><FONT color=#ff0000>k</FONT></SPAN><SPAN> =</SPAN><SPAN class=tag><STRONG><FONT color=#006699>></FONT></STRONG></SPAN><SPAN> $v)  </SPAN></SPAN><LI class=alt><SPAN>      {  </SPAN><LI class=""><SPAN>       $data[$k] = addslashes($v);  </SPAN><LI class=alt><SPAN>      }  </SPAN><LI class=""><SPAN>     }  </SPAN><LI class=alt><SPAN>     else  </SPAN><LI class=""><SPAN>     {  </SPAN><LI class=alt><SPAN>      $</SPAN><SPAN class=attribute><FONT color=#ff0000>data</FONT></SPAN><SPAN> = </SPAN><SPAN class=attribute-value><FONT color=#0000ff>addslashes</FONT></SPAN><SPAN>($data);  </SPAN></SPAN><LI class=""><SPAN>     }  </SPAN><LI class=alt><SPAN>    }  </SPAN><LI class=""><SPAN>    Return $data; return (preg_match("/^(((d{3}))|(d{3}-))?((0d{2,3})|0d{2,3}-)?[1-9]d{6,7}$/",$str))?true:false;  </SPAN><LI class=alt><SPAN>   }  </SPAN><LI class=""><SPAN> </SPAN><LI class=alt><SPAN>   // 数据出库 还原 特殊字符 传入值可为字符串 或 一/二维数组  </SPAN><LI class=""><SPAN>   function data_revert(&$data)  </SPAN><LI class=alt><SPAN>   {  </SPAN><LI class=""><SPAN>    if (is_array($data))  </SPAN><LI class=alt><SPAN>    {  </SPAN><LI class=""><SPAN>     foreach ($data as $</SPAN><SPAN class=attribute><FONT color=#ff0000>k1</FONT></SPAN><SPAN> =</SPAN><SPAN class=tag><STRONG><FONT color=#006699>></FONT></STRONG></SPAN><SPAN> $v1)  </SPAN></SPAN><LI class=alt><SPAN>     {  </SPAN><LI class=""><SPAN>      if (is_array($v1))  </SPAN><LI class=alt><SPAN>      {  </SPAN><LI class=""><SPAN>       foreach ($v1 as $</SPAN><SPAN class=attribute><FONT color=#ff0000>k2</FONT></SPAN><SPAN> =</SPAN><SPAN class=tag><STRONG><FONT color=#006699>></FONT></STRONG></SPAN><SPAN> $v2)  </SPAN></SPAN><LI class=alt><SPAN>       {  </SPAN><LI class=""><SPAN>        $data[$k1][$k2] = stripslashes($v2);  </SPAN><LI class=alt><SPAN>       }  </SPAN><LI class=""><SPAN>      }  </SPAN><LI class=alt><SPAN>      else  </SPAN><LI class=""><SPAN>      {  </SPAN><LI class=alt><SPAN>       $data[$k1] = stripslashes($v1);  </SPAN><LI class=""><SPAN>      }  </SPAN><LI class=alt><SPAN>     }  </SPAN><LI class=""><SPAN>    }  </SPAN><LI class=alt><SPAN>    else  </SPAN><LI class=""><SPAN>    {  </SPAN><LI class=alt><SPAN>     $</SPAN><SPAN class=attribute><FONT color=#ff0000>data</FONT></SPAN><SPAN> = </SPAN><SPAN class=attribute-value><FONT color=#0000ff>stripslashes</FONT></SPAN><SPAN>($data);  </SPAN></SPAN><LI class=""><SPAN>    }  </SPAN><LI class=alt><SPAN>    Return $data;  </SPAN><LI class=""><SPAN>   }  </SPAN><LI class=alt><SPAN> </SPAN><LI class=""><SPAN>   // 数据显示 还原 数据格式 主要用于内容输出 传入值可为字符串 或 一/二维数组  </SPAN><LI class=alt><SPAN>   // 执行此方法前应先data_revert()，表单内容无须此还原  </SPAN><LI class=""><SPAN>   function data_show(&$data)  </SPAN><LI class=alt><SPAN>   {  </SPAN><LI class=""><SPAN> </SPAN><LI class=alt><SPAN>    if (is_array($data))  </SPAN><LI class=""><SPAN>    {  </SPAN><LI class=alt><SPAN>     foreach ($data as $</SPAN><SPAN class=attribute><FONT color=#ff0000>k1</FONT></SPAN><SPAN> =</SPAN><SPAN class=tag><STRONG><FONT color=#006699>></FONT></STRONG></SPAN><SPAN> $v1)  </SPAN></SPAN><LI class=""><SPAN>     {  </SPAN><LI class=alt><SPAN>      if (is_array($v1))  </SPAN><LI class=""><SPAN>      {  </SPAN><LI class=alt><SPAN>       foreach ($v1 as $</SPAN><SPAN class=attribute><FONT color=#ff0000>k2</FONT></SPAN><SPAN> =</SPAN><SPAN class=tag><STRONG><FONT color=#006699>></FONT></STRONG></SPAN><SPAN> $v2)  </SPAN></SPAN><LI class=""><SPAN>       {  </SPAN><LI class=alt><SPAN>        $data[$k1][$k2]=nl2br(htmlspecialchars($data[$k1][$k2]));  </SPAN><LI class=""><SPAN>        $data[$k1][$k2]=str_replace(" "," ",$data[$k1][$k2]);  </SPAN><LI class=alt><SPAN>        $data[$k1][$k2]=str_replace(" ","</SPAN><STRONG><FONT color=#006699><SPAN class=tag><</SPAN><SPAN class=tag-name>br</SPAN><SPAN class=tag>></SPAN></FONT></STRONG><SPAN> ",$data[$k1][$k2]);  </SPAN></SPAN><LI class=""><SPAN>       }  </SPAN><LI class=alt><SPAN>      }  </SPAN><LI class=""><SPAN>      else  </SPAN><LI class=alt><SPAN>      {  </SPAN><LI class=""><SPAN>       $data[$k1]=nl2br(htmlspecialchars($data[$k1]));  </SPAN><LI class=alt><SPAN>       $data[$k1]=str_replace(" "," ",$data[$k1]);  </SPAN><LI class=""><SPAN>       $data[$k1]=str_replace(" ","</SPAN><STRONG><FONT color=#006699><SPAN class=tag><</SPAN><SPAN class=tag-name>br</SPAN><SPAN class=tag>></SPAN></FONT></STRONG><SPAN> ",$data[$k1]);  </SPAN></SPAN><LI class=alt><SPAN>      }  </SPAN><LI class=""><SPAN>     }  </SPAN><LI class=alt><SPAN>    }  </SPAN><LI class=""><SPAN>    else  </SPAN><LI class=alt><SPAN>    {  </SPAN><LI class=""><SPAN>     $</SPAN><SPAN class=attribute><FONT color=#ff0000>data</FONT></SPAN><SPAN>=</SPAN><SPAN class=attribute-value><FONT color=#0000ff>nl2br</FONT></SPAN><SPAN>(htmlspecialchars($data));  </SPAN></SPAN><LI class=alt><SPAN>     $</SPAN><SPAN class=attribute><FONT color=#ff0000>data</FONT></SPAN><SPAN>=</SPAN><SPAN class=attribute-value><FONT color=#0000ff>str_replace</FONT></SPAN><SPAN>(" "," ",$data);  </SPAN></SPAN><LI class=""><SPAN>     $</SPAN><SPAN class=attribute><FONT color=#ff0000>data</FONT></SPAN><SPAN>=</SPAN><SPAN class=attribute-value><FONT color=#0000ff>str_replace</FONT></SPAN><SPAN>(" ","</SPAN><STRONG><FONT color=#006699><SPAN class=tag><</SPAN><SPAN class=tag-name>br</SPAN><SPAN class=tag>></SPAN></FONT></STRONG><SPAN> ",$data);  </SPAN></SPAN><LI class=alt><SPAN>    }  </SPAN><LI class=""><SPAN>    Return $data;  </SPAN><LI class=alt><SPAN>   }  </SPAN><LI class=""><SPAN>}  </SPAN><LI class=alt><SPAN>if (is_array($data))  </SPAN><LI class=""><SPAN>{  </SPAN><LI class=alt><SPAN>   foreach ($data as $</SPAN><SPAN class=attribute><FONT color=#ff0000>k1</FONT></SPAN><SPAN> =</SPAN><SPAN class=tag><STRONG><FONT color=#006699>></FONT></STRONG></SPAN><SPAN> $v1)  </SPAN></SPAN><LI class=""><SPAN>   {  </SPAN><LI class=alt><SPAN>    if (is_array($v1))  </SPAN><LI class=""><SPAN>    {  </SPAN><LI class=alt><SPAN>     foreach ($v1 as $</SPAN><SPAN class=attribute><FONT color=#ff0000>k2</FONT></SPAN><SPAN> =</SPAN><SPAN class=tag><STRONG><FONT color=#006699>></FONT></STRONG></SPAN><SPAN> $v2)  </SPAN></SPAN><LI class=""><SPAN>     {  </SPAN><LI class=alt><SPAN>      $data[$k1][$k2]=nl2br(htmlspecialchars($data[$k1][$k2]));  </SPAN><LI class=""><SPAN>      $data[$k1][$k2]=str_replace(" "," ",$data[$k1][$k2]);  </SPAN><LI class=alt><SPAN>      $data[$k1][$k2]=str_replace(" ","</SPAN><STRONG><FONT color=#006699><SPAN class=tag><</SPAN><SPAN class=tag-name>br</SPAN><SPAN class=tag>></SPAN></FONT></STRONG><SPAN> ",$data[$k1][$k2]);  </SPAN></SPAN><LI class=""><SPAN>     }  </SPAN><LI class=alt><SPAN>    }  </SPAN><LI class=""><SPAN>    else  </SPAN><LI class=alt><SPAN>    {  </SPAN><LI class=""><SPAN>     $data[$k1]=nl2br(htmlspecialchars($data[$k1]));  </SPAN><LI class=alt><SPAN>     $data[$k1]=str_replace(" "," ",$data[$k1]);  </SPAN><LI class=""><SPAN>     $data[$k1]=str_replace(" ","</SPAN><STRONG><FONT color=#006699><SPAN class=tag><</SPAN><SPAN class=tag-name>br</SPAN><SPAN class=tag>></SPAN></FONT></STRONG><SPAN> ",$data[$k1]);  </SPAN></SPAN><LI class=alt><SPAN>    }  </SPAN><LI class=""><SPAN>   }  </SPAN><LI class=alt><SPAN>}  </SPAN><LI class=""><SPAN>else  </SPAN><LI class=alt><SPAN>{  </SPAN><LI class=""><SPAN>   $</SPAN><SPAN class=attribute><FONT color=#ff0000>data</FONT></SPAN><SPAN>=</SPAN><SPAN class=attribute-value><FONT color=#0000ff>nl2br</FONT></SPAN><SPAN>(htmlspecialchars($data));  </SPAN></SPAN><LI class=alt><SPAN>   $</SPAN><SPAN class=attribute><FONT color=#ff0000>data</FONT></SPAN><SPAN>=</SPAN><SPAN class=attribute-value><FONT color=#0000ff>str_replace</FONT></SPAN><SPAN>(" "," ",$data);  </SPAN></SPAN><LI class=""><SPAN>   $</SPAN><SPAN class=attribute><FONT color=#ff0000>data</FONT></SPAN><SPAN>=</SPAN><SPAN class=attribute-value><FONT color=#0000ff>str_replace</FONT></SPAN><SPAN>(" ","</SPAN><STRONG><FONT color=#006699><SPAN class=tag><</SPAN><SPAN class=tag-name>br</SPAN><SPAN class=tag>></SPAN></FONT></STRONG><SPAN> ",$data);  </SPAN></SPAN><LI class=alt><SPAN>}  </SPAN><LI class=""><SPAN>Return $data;  </SPAN><LI class=alt><SPAN>}  </SPAN><LI class=""><SPAN>}  </SPAN><LI class=alt><SPAN></SPAN><SPAN class=tag><STRONG><FONT color=#006699>?></FONT></STRONG></SPAN><SPAN> </SPAN></SPAN></LI></OL>