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php常用表单验证类用法实例

Jun 13, 2016 am 09:01 AM
phpshareExampleCommonly usedusagekindformverify

php常用表单验证类用法实例

   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:

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/**

* 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))?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))?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))?true:false;

}

//验证身份证号码

function fun_status($str)

{

return (preg_match('/(^([\d]{15}|[\d]{18}|[\d]{17}x)$)/',$str))?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))?true:false;

}

//验证电话号码

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

function fun_zip($str)

{

return (preg_match("/^[1-9]\d{5}$/",$str))?true:false;

}

//验证url地址

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

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][$k2]=str_replace("\n","
\n",$data[$k1][$k2]);

}

}

else

{

$data[$k1]=nl2br(htmlspecialchars($data[$k1]));

$data[$k1]=str_replace(" "," ",$data[$k1]);

$data[$k1]=str_replace("\n","
\n",$data[$k1]);

}

}

}

else

{

$data=nl2br(htmlspecialchars($data));

$data=str_replace(" "," ",$data);

$data=str_replace("\n","
\n",$data);

}

Return $data;

}

}

?>

  希望本文所述对大家的php程序设计有所帮助。

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