<?
function GetIP() { //獲取IP
if ($_SERVER["HTTP_X_FORWARDED_FOR"])
$ip = $_SERVER["HTTP_X_FORWARDED_FOR"]; //開源OSPhP.COM.CN
else if ($_SERVER["HTTP_CLIENT_IP"])
$ip = $_SERVER["HTTP_CLIENT_IP"];
else if ($_SERVER["REMOTE_ADDR"])
$ip = $_SERVER["REMOTE_ADDR"]; //OsPHP.COM.CN
else if (getenv("HTTP_X_FORWARDED_FOR"))
$ip = getenv("HTTP_X_FORWARDED_FOR");
else if (getenv("HTTP_CLIENT_IP"))
$ip = getenv("HTTP_CLIENT_IP");
//開源OSPhP.COM.CN
else if (getenv("REMOTE_ADDR"))
$ip = getenv("REMOTE_ADDR");
else
$ip = "Unknown";
return $ip;
}
?>
//oSPHP.COM.CN
<?php
function DateAdd($date, $int, $unit = "d") { //時(shí)間的增加（還可以改進(jìn)成時(shí)分秒都可以增加，有時(shí)間再補(bǔ)上）
$dateArr = explode("-", $date);
$value[$unit] = $int; //開源代碼OSPHP.COM.Cn
return date("Y-m-d", mktime(0,0,0, $dateArr[1] + $value['m'], $dateArr[2] + $value['d'], $dateArr[0] + $value['y'])); //開源OSPhP.COM.CN
}
function GetWeekDay($date) { //計(jì)算出給出的日期是星期幾
$dateArr = explode("-", $date);
return date("w", mktime(0,0,0,$dateArr[1],$dateArr[2],$dateArr[0]));
//PHP開源代碼
}
?>
<?
function check_date($date) { //檢查日期是否合法日期
$dateArr = explode("-", $date);
if (is_numeric($dateArr[0]) && is_numeric($dateArr[1]) && is_numeric($dateArr[2])) {
//開源代碼OSPhP.COm.CN
return checkdate($dateArr[1],$dateArr[2],$dateArr[0]);
}
return false;
}
function check_time($time) { //檢查時(shí)間是否合法時(shí)間 //oSPHP.COM.CN
$timeArr = explode(":", $time);
if (is_numeric($timeArr[0]) && is_numeric($timeArr[1]) && is_numeric($timeArr[2])) {
//開源OSPhP.COM.CN
if (($timeArr[0] >= 0 && $timeArr[0] <= 23) && ($timeArr[1] >= 0 && $timeArr[1] <= 59) && ($timeArr[2] >= 0 && $timeArr[2] <= 59))
//PHP開源代碼
return true;
else
return false;
}
return false;
}
function DateDiff($date1, $date2, $unit = "") { //時(shí)間比較函數(shù)，返回兩個(gè)日期相差幾秒、幾分鐘、幾小時(shí)或幾天
//PHP開源代碼
switch ($unit) {
case 's':
$dividend = 1;
break;
case 'i':
$dividend = 60; //OSPHP.COm.CN
break;
case 'h':
$dividend = 3600;
break;
case 'd':
$dividend = 86400;
break;
//OsPHP.COM.CN
default:
$dividend = 86400;
}
$time1 = strtotime($date1);
$time2 = strtotime($date2);
if ($time1 && $time2) //開源代碼OSPhP.COm.CN
return (float)($time1 - $time2) / $dividend;
return false;
}
?>
PHP重定向
<?
方法一：header("Location: index.php");
方法二：echo "<scrīpt>window.location ="$PHP_SELF";</scrīpt>";
//開源代碼OSPhP.COm.CN
方法三：echo "<META HTTP-EQUIV="Refresh" CONTENT="0; URL=index.php">";
?>
獲取訪問(wèn)者瀏覽器
<?
function browse_infor()
{
$browser="";$browserver="";
//開源OSPhP.COM.CN
$Browsers =array("Lynx","MOSAIC","AOL","Opera","JAVA","MacWeb","WebExplorer","OmniWeb");
$Agent = $GLOBALS["HTTP_USER_AGENT"];
for ($i=0; $i<=7; $i++) //OSPHP.com.CN
{
if (strpos($Agent,$Browsers[$i]))
{
$browser = $Browsers[$i];
$browserver ="";
}
}
if (ereg("Mozilla",$Agent) && !ereg("MSIE",$Agent)) //OSPHP.com.CN
{
$temp =explode("(", $Agent); $Part=$temp[0];
$temp =explode("/", $Part); $browserver=$temp[1];
//OSPHP.COm.CN
$temp =explode(" ",$browserver); $browserver=$temp[0];
$browserver =preg_replace("/([d.]+)/","1",$browserver);
$browserver = " $browserver"; //PHP開源代碼
$browser = "Netscape Navigator";
}
if (ereg("Mozilla",$Agent) && ereg("Opera",$Agent))
{
$temp =explode("(", $Agent); $Part=$temp[1]; //oSPHP.COM.CN
$temp =explode(")", $Part); $browserver=$temp[1];
$temp =explode(" ",$browserver);$browserver=$temp[2];
//OSPHP.com.CN
$browserver =preg_replace("/([d.]+)/","1",$browserver);
$browserver = " $browserver";
$browser = "Opera";
}
if (ereg("Mozilla",$Agent) && ereg("MSIE",$Agent))
//OSPHP.COm.CN
{
$temp = explode("(", $Agent); $Part=$temp[1];
$temp = explode(";",$Part); $Part=$temp[1]; //OSPHP.COM.Cn開源
$temp = explode(" ",$Part);$browserver=$temp[2];
$browserver =preg_replace("/([d.]+)/","1",$browserver);
$browserver = " $browserver"; //開源OSPhP.COM.CN
$browser = "Internet Explorer";
}
if ($browser!="")
{
$browseinfo = "$browser$browserver";
}
else
{
$browseinfo = "Unknown";
}
return $browseinfo;
}
//調(diào)用方法$browser=browseinfo() ;直接返回結(jié)果
?> //開源OSPhP.COM.CN
獲取訪問(wèn)者操作系統(tǒng)
<?
function osinfo() {
$os="";
$Agent = $GLOBALS["HTTP_USER_AGENT"];
if (eregi('win',$Agent) && strpos($Agent, '95')) {
//oSPHP.COM.CN
$os="Windows 95";
}
elseif (eregi('win 9x',$Agent) && strpos($Agent, '4.90')) {
$os="Windows ME";
}
elseif (eregi('win',$Agent) && ereg('98',$Agent)) {
//OsPHP.COM.CN
$os="Windows 98";
}
elseif (eregi('win',$Agent) && eregi('nt 5.0',$Agent)) {
$os="Windows 2000";
}
elseif (eregi('win',$Agent) && eregi('nt',$Agent)) { //開源OSPhP.COM.CN
$os="Windows NT";
}
elseif (eregi('win',$Agent) && eregi('nt 5.1',$Agent)) {
$os="Windows XP";
}
elseif (eregi('win',$Agent) && ereg('32',$Agent)) { //PHP開源代碼
$os="Windows 32";
}
elseif (eregi('linux',$Agent)) {
$os="Linux";
}
elseif (eregi('unix',$Agent)) {
$os="Unix";
//開源OSPhP.COM.CN
}
elseif (eregi('sun',$Agent) && eregi('os',$Agent)) {
$os="SunOS";
}
elseif (eregi('ibm',$Agent) && eregi('os',$Agent)) {
//OSPHP.COM.Cn開源
$os="IBM OS/2";
}
elseif (eregi('Mac',$Agent) && eregi('PC',$Agent)) {
$os="Macintosh";
}
elseif (eregi('PowerPC',$Agent)) {
//開源代碼OSPHP.COM.Cn
$os="PowerPC";
}
elseif (eregi('AIX',$Agent)) {
$os="AIX";
}
elseif (eregi('HPUX',$Agent)) {
$os="HPUX";
//OSPHP.com.CN
}
elseif (eregi('NetBSD',$Agent)) {
$os="NetBSD";
}
elseif (eregi('BSD',$Agent)) {
$os="BSD";
}
elseif (ereg('OSF1',$Agent)) {
//oSPHP.COM.CN
$os="OSF1";
}
elseif (ereg('IRIX',$Agent)) {
$os="IRIX";
}
elseif (eregi('FreeBSD',$Agent)) {
$os="FreeBSD"; //開源OSPhP.COM.CN
}
if ($os=='') $os = "Unknown";
return $os;
}
//調(diào)用方法$os=os_infor() ;
?>
文件格式類
<?
$mime_types = array(
'gif' => 'image/gif',
//開源代碼OSPhP.COm.CN
'jpg' => 'image/jpeg',
'jpeg' => 'image/jpeg',
'jpe' => 'image/jpeg',
'bmp' => 'image/bmp',
'png' => 'image/png',
'tif' => 'image/tiff', //oSPHP.COM.CN
'tiff' => 'image/tiff',
'pict' => 'image/x-pict',
'pic' => 'image/x-pict',
'pct' => 'image/x-pict',
'tif' => 'image/tiff',
'tiff' => 'image/tiff',
//OSPHP.com.CN
'psd' => 'image/x-photoshop',
'swf' => 'application/x-shockwave-flash',
'js' => 'application/x-javascrīpt',
'pdf' => 'application/pdf',
'ps' => 'application/postscrīpt',
'eps' => 'application/postscrīpt', //OsPHP.COM.CN
'ai' => 'application/postscrīpt',
'wmf' => 'application/x-msmetafile',
'css' => 'text/css',
'htm' => 'text/html',
'html' => 'text/html',
'txt' => 'text/plain',
//OsPHP.COM.CN
'xml' => 'text/xml',
'wml' => 'text/wml',
'wbmp' => 'image/vnd.wap.wbmp',
'mid' => 'audio/midi',
'wav' => 'audio/wav',
'mp3' => 'audio/mpeg', //開源代碼OSPHP.COM.Cn
'mp2' => 'audio/mpeg',
'avi' => 'video/x-msvideo',
'mpeg' => 'video/mpeg',
'mpg' => 'video/mpeg',
'qt' => 'video/quicktime',
'mov' => 'video/quicktime', //OsPHP.COM.CN
'lha' => 'application/x-lha',
'lzh' => 'application/x-lha',
'z' => 'application/x-compress',
'gtar' => 'application/x-gtar',
'gz' => 'application/x-gzip',
'gzip' => 'application/x-gzip', //開源代碼OSPhP.COm.CN
'tgz' => 'application/x-gzip',
'tar' => 'application/x-tar',
'bz2' => 'application/bzip2',
'zip' => 'application/zip',
'arj' => 'application/x-arj',
'rar' => 'application/x-rar-compressed', //PHP開源代碼
'hqx' => 'application/mac-binhex40',
'sit' => 'application/x-stuffit',
'bin' => 'application/x-macbinary',
'uu' => 'text/x-uuencode',
'uue' => 'text/x-uuencode',
'latex'=> 'application/x-latex', //開源OSPhP.COM.CN
'ltx' => 'application/x-latex',
'tcl' => 'application/x-tcl',
'pgp' => 'application/pgp',
'asc' => 'application/pgp',
'exe' => 'application/x-msdownload',
'doc' => 'application/msword',
//OSPHP.COM.Cn開源
'rtf' => 'application/rtf',
'xls' => 'application/vnd.ms-excel',
'ppt' => 'application/vnd.ms-powerpoint',
'mdb' => 'application/x-msaccess',
'wri' => 'application/x-mswrite',
);
?>
//oSPHP.COM.CN
php生成excel文檔
<?
header("Content-type:application/vnd.ms-excel");
header("Content-Disposition:filename=test.xls");
echo "test1t";
echo "test2tn";
echo "test1t";
echo "test2tn";
echo "test1t";
//OSPHP.COm.CN
echo "test2tn";
echo "test1t";
echo "test2tn";
echo "test1t";
echo "test2tn";
echo "test1t";
echo "test2tn";
//改動(dòng)相應(yīng)文件頭就可以輸出.doc .xls等文件格式了
?>
時(shí)間比較問(wèn)題
舉一個(gè)簡(jiǎn)單例子說(shuō)明:比如一個(gè)論壇對(duì)當(dāng)天發(fā)表的貼子用new圖片標(biāo)記一下。 //OsPHP.COM.CN
方法一：
<?
//$db->rows[$i][date]中為數(shù)據(jù)庫(kù)中datetime字段值.
$today=time();
$theDay=date("Y-m-d H:i:s",$today-24*3600);
$newTag=$db->rows[$i][date]>=$theDay"<img src='../image/newinfor.gif'>":""; //oSPHP.COM.CN
//方法二：
$newTag=$db->rows[$i][date]>=date("Y-m-d 00:00:00")?"<img src='../image/newinfor.gif'>":"";
?>
//提取頁(yè)面和瀏覽器提交的變量，作用相當(dāng)于使PHP.INI開了全局變量 //OSPHP.com.CN
<?
@extract($_SERVER, EXTR_SKIP);
@extract($_SESSION, EXTR_SKIP);
@extract($_POST, EXTR_SKIP);
@extract($_FILES, EXTR_SKIP);
//OSPHP.com.CN
@extract($_GET, EXTR_SKIP);
@extract($_ENV, EXTR_SKIP);
?>
//讀取文件函數(shù)
<?
function readfromfile($file_name) {
if (file_exists($file_name)) { //開源代碼OSPHP.COM.Cn
$filenum=fopen($file_name,"r");
flock($filenum,LOCK_EX);
$file_data=fread($filenum, filesize($file_name));
rewind($filenum); //OSPHP.com.CN
fclose($filenum);
return $file_data;
}
}
?>
//寫入文件函數(shù)
<?
function writetofile($file_name,$data,$method="w") {
$filenum=fopen($file_name,$method);
//開源代碼OSPHP.COM.Cn
flock($filenum,LOCK_EX);
$file_data=fwrite($filenum,$data);
fclose($filenum);
return $file_data;
}
?>
//oSPHP.COM.CN
//頁(yè)面快速轉(zhuǎn)向
<?
function turntopage($url="index.php",$info = "頁(yè)面轉(zhuǎn)向中...",$second=2){
print "<html>n<head>n<title>頁(yè)面轉(zhuǎn)向中....</title>n";
print "<meta http-equiv="refresh" content="$second;url=$url">n"; //開源代碼OSPhP.COm.CN
print "<style type="text/css">n<!--n";
print "td { font-family: "Verdana", "Arial";font-size: 12px}n";
print "A {COLOR: #000000; TEXT-DECORATION: none}n";
print "-->n</style>n";
print "</head>n<body>n";
print "<table width="100%" border="0" align="center">n"; //oSPHP.COM.CN
print " <tr>n";
print " <td height="200"> </td>n";
print " </tr>n";
print " <tr>n";
print " <td align="center">n";
print " <table width="60%" border="0" cellpadding="8" bgcolor="#AA9FFF">n";
//OSPHP.COM.Cn開源
print " <tr>n";
print " <td height="30" align="center">頁(yè)面轉(zhuǎn)向提示信息</td>n";
print " </tr>n";
print " <tr>n";
print " <td align="center">$info</td>n";
print " </tr>n";
print " <tr>n"; //OSPHP.COm.CN
print " <td align="center">n";
print " <a href="$url">如果你的瀏覽器不支持自動(dòng)跳轉(zhuǎn),請(qǐng)按這里</a></td>n";
print " </tr>n";
print " </tr>n";
print " </table></td>n";
print " </tr>n";
print " <tr>n";
//OSPHP.COM.Cn開源
print " <td height="200"> </td>n";
print " </tr>n";
print "</table>n";
print "</body>n</html>";
exit;
?>
|
