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) 
{ 
转自:网页教学网[www.webjx.com] 
return (preg_match("/^(((d{3}))|(d{3}-))?((0d{2,3})|0d{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 $data; return (preg_match("/^(((d{3}))|(d{3}-))?((0d{2,3})|0d{2,3}-)?[1-9]d{6,7}$/",$str))?true:false; 
} 
//验证邮编 
function fun_zip($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 $data; 
} 
转自:网页教学网[www.webjx.com]
// 数据出库 还原 特殊字符 传入值可为字符串 或 一/二维数组 
function data_revert(&$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 $data; 
} 
转自:网页教学网[www.webjx.com]
// 数据显示 还原 数据格式 主要用于内容输出 传入值可为字符串 或 一/二维数组 
// 执行此方法前应先data_revert(),表单内容无须此还原 
function data_show(&$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][$k2]=str_replace(" ","
",$data[$k1][$k2]); 
} 
} 
else 
{ 
$data[$k1]=nl2br(htmlspecialchars($data[$k1])); 
$data[$k1]=str_replace(" "," ",$data[$k1]); 
$data[$k1]=str_replace(" ","
",$data[$k1]); 
} 
} 
} 
else 
{ 
$data=nl2br(htmlspecialchars($data)); 
$data=str_replace(" "," ",$data); 
$data=str_replace(" ","
",$data); 
} 
Return $data; 
} 
} 
?> if (is_array($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][$k2]=str_replace(" ","
",$data[$k1][$k2]); 
} 
} 
else 
{ 
$data[$k1]=nl2br(htmlspecialchars($data[$k1])); 
$data[$k1]=str_replace(" "," ",$data[$k1]); 
$data[$k1]=str_replace(" ","
",$data[$k1]); 
} 
} 
} 
else 
{ 
$data=nl2br(htmlspecialchars($data)); 
$data=str_replace(" "," ",$data); 
$data=str_replace(" ","
",$data); 
} 
Return $data; 
} 
} 
?>