nba2k online c skills several php application skills

1. About PHP redirection
1. About PHP redirection
Method one: header("Location: index.php");
Method two: echo "window.location ="$PHP_SELF";";
Method 3: echo "2. Get the visitor's browser
function browse_infor()
{
$browser="";$browserver="";
$Browsers =array("Lynx","MOSAIC","AOL","Opera","JAVA","MacWeb","WebExplorer","OmniWeb");
$Agent = $GLOBALS["HTTP_USER_AGENT"];
for ($i=0; $i<=7; $i++)
{
if (strpos($Agent,$Browsers[$i]))
{
$browser = $Browsers[$i];
$ browserver ="";
}
}
if (ereg("Mozilla",$Agent) && !ereg("MSIE",$Agent))
{
$temp =explode("(", $Agent); $ Part=$temp[0];
$temp =explode("/", $Part); $browserver=$temp[1];
$temp =explode(" ",$browserver); $browserver=$temp[ 0];
$browserver =preg_replace("/([d.]+)/","1",$browserver);
$browserver = "$browserver";
$browser = "Netscape Navigator";
}
if (ereg("Mozilla",$Agent) && ereg("Opera",$Agent))
{
$temp =explode("(", $Agent); $Part=$temp[1];
$temp =explode(")", $Part); $browserver=$temp[1];
$temp =explode(" ",$browserver);$browserver=$temp[2];
$browserver =preg_replace("/ ([d.]+)/","1",$browserver);
$browserver = " $browserver";
$browser = "Opera";
}
if (ereg("Mozilla",$Agent) && ereg("MSIE",$Agent))
{
$temp = explode("(", $Agent); $Part=$temp[1];
$temp = explode(";",$Part); $ Part=$temp[1];
$temp = explode(" ",$Part);$browserver=$temp[2];
$browserver =preg_replace("/([d.]+)/","1 ",$browserver);
$browserver = " $browserver";
$browser = "Internet Explorer";
}
if ($browser!="")
{
$browseinfo = "$browser$browserver";
}
else
{
$browseinfo = "Unknown";
}
return $browseinfo;
}
//Call method $browser=browseinfo(); return the result directly
3. Get the visitor's operating system
function osinfo() {
$os="";
$Agent = $GLOBALS["HTTP_USER_AGENT"];
if (eregi('win',$Agent) && strpos($Agent, '95')) {
$os="Windows 95";
}
elseif (eregi('win 9x',$Agent) && strpos($Agent, '4.90')) {
$os="Windows ME";
}
elseif (eregi('win', $Agent) && ereg('98',$Agent)) {
$os="Windows 98";
}
elseif (eregi('win',$Agent) && eregi('nt 5.0',$Agent)) {
$os="Windows 2000";
}
elseif (eregi('win',$Agent) && eregi('nt',$Agent)) {
$os="Windows NT";
}
elseif ( eregi('win',$Agent) && eregi('nt 5.1',$Agent)) {
$os="Windows XP";
}
elseif (eregi('win',$Agent) && ereg('32 ',$Agent)) {
$os="Windows 32";
}
elseif (eregi('linux',$Agent)) {
$os="Linux";
}
elseif (eregi('unix' ,$Agent)) {
$os="Unix";
}
elseif (eregi('sun',$Agent) && eregi('os',$Agent)) {
$os="SunOS";
}
elseif (eregi('ibm',$Agent) && eregi('os',$Agent)) {
$os="IBM OS/2";
}
elseif (eregi('Mac',$Agent) && eregi('PC',$Agent)) {
$os="Macintosh";
}
elseif (eregi('PowerPC',$Agent)) {
$os="PowerPC";
}
elseif (eregi( 'AIX',$Agent)) {
$os="AIX";
}
elseif (eregi('HPUX',$Agent)) {
$os="HPUX";
}
elseif (eregi('NetBSD ',$Agent)) {
$os="NetBSD";
}
elseif (eregi('BSD',$Agent)) {
$os="BSD";
}
elseif (ereg('OSF1', $Agent)) {
$os="OSF1";
}
elseif (ereg('IRIX',$Agent)) {
$os="IRIX";
}
elseif (eregi('FreeBSD',$Agent )) {
$os="FreeBSD";
}
if ($os=='') $os = "Unknown";
return $os;
}
//调用方法$os=os_infor() ;
4、文件格式类
$mime_types = array( 
'gif' => 'image/gif', 
'jpg' => 'image/jpeg', 
'jpeg' => 'image/jpeg', 
'jpe' => 'image/jpeg', 
'bmp' => 'image/bmp', 
'png' => 'image/png', 
'tif' => 'image/tiff', 
'tiff' => 'image/tiff', 
'pict' => 'image/x-pict', 
'pic' => 'image/x-pict', 
'pct' => 'image/x-pict', 
'tif' => 'image/tiff', 
'tiff' => 'image/tiff', 
'psd' => 'image/x-photoshop', 
'swf' => 'application/x-shockwave-flash', 
'js' => 'application/x-javascrīpt', 
'pdf' => 'application/pdf', 
'ps' => 'application/postscrīpt', 
'eps' => 'application/postscrīpt', 
'ai' => 'application/postscrīpt', 
'wmf' => 'application/x-msmetafile', 
'css' => 'text/css', 
'htm' => 'text/html', 
'html' => 'text/html', 
'txt' => 'text/plain', 
'xml' => 'text/xml', 
'wml' => 'text/wml', 
'wbmp' => 'image/vnd.wap.wbmp', 
'mid' => 'audio/midi', 
'wav' => 'audio/wav', 
'mp3' => 'audio/mpeg', 
'mp2' => 'audio/mpeg', 
'avi' => 'video/x-msvideo', 
'mpeg' => 'video/mpeg', 
'mpg' => 'video/mpeg', 
'qt' => 'video/quicktime', 
'mov' => 'video/quicktime', 
'lha' => 'application/x-lha', 
'lzh' => 'application/x-lha', 
'z' => 'application/x-compress', 
'gtar' => 'application/x-gtar', 
'gz' => 'application/x-gzip', 
'gzip' => 'application/x-gzip', 
'tgz' => 'application/x-gzip', 
'tar' => 'application/x-tar', 
'bz2' => 'application/bzip2', 
'zip' => 'application/zip', 
'arj' => 'application/x-arj', 
'rar' => 'application/x-rar-compressed', 
'hqx' => 'application/mac-binhex40', 
'sit' => 'application/x-stuffit', 
'bin' => 'application/x-macbinary', 
'uu' => 'text/x-uuencode', 
'uue' => 'text/x-uuencode', 
'latex'=> 'application/x-latex', 
'ltx' => 'application/x-latex', 
'tcl' => 'application/x-tcl', 
'pgp' => 'application/pgp', 
'asc' => 'application/pgp', 
'exe' => 'application/x-msdownload', 
'doc' => 'application/msword', 
'rtf' => 'application/rtf', 
'xls' => 'application/vnd.ms-excel', 
'ppt' => 'application/vnd.ms-powerpoint', 
'mdb' => 'application/x-msaccess', 
'wri' => 'application/x-mswrite', 
);
5、php生成excel文档
header("Content-type:application/vnd.ms-excel");
header("Content-Disposition:filename=test.xls");
echo "test1t";
echo "test2tn";
echo "test1t";
echo "test2tn";
echo "test1t";
echo "test2tn";
echo "test1t";
echo "test2tn";
echo "test1t";
echo "test2tn";
echo "test1t";
echo "test2tn";
?>
//改动相应文件头就可以输出.doc .xls等文件格式了
6、时间比较问题
举一个简单例子说明:比如一个论坛对当天发表的贴子用new图片标记一下。
Method 1:
//$db->rows[$i][date] is the datetime field value in the database.
$today=time();
$theDay=date("Y-m-d H:i:s" ,$today-24*3600);
$newTag=$db->rows[$i][date]>=$theDay?" ":"";
Method 2:
$newTag=$db->rows[$i][date]>=date("Y-m-d 00:00:00")?"

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