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PHP动态网页程序中常用的表单验证类(2) {
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][$k2]=str_replace(" ","<br> ",$data[$k1][$k2]);
}
}
else
{
$data[$k1]=nl2br(htmlspecialchars($data[$k1]));
$data[$k1]=str_replace(" "," ",$data[$k1]);
$data[$k1]=str_replace(" ","<br> ",$data[$k1]);
}
}
}
else
{
$data=nl2br(htmlspecialchars($data));
$data=str_replace(" "," ",$data);
$data=str_replace(" ","<br> ",$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]);
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