最近研究PHP,收藏一下。
出處:php來源碼網-開源程式大全(Open Source)
內容:
function GetIP() { //取得IP
if ($_SERVER["HTTP_X_FORPARD_X_FOR> "HTTP_X_FORWARDED_FOR"];
else if ($_SERVER["HTTP_CLIENT_IP"])
$ip = $_SERVER["HTTP_CLIENT_IP"]; "];
else if (getenv("HTTP_X_FORWARDED_FOR"))
$ip = getenv("HTTP_X_FORWARDED_FOR");
else if (getenv("HTTP_CLIENT__NHT);
else if (getenv("REMOTE_ADDR"))
$ip = getenv("REMOTE_ADDR");
else
$ip = "Unknown";
return $ip
} www. .jb51.net/article/22199.htm
function DateAdd($date, $int, $unit = "d") { //時間的增加(還可以改進成時分秒都可以增加,有時間補上)
$dateArr = explode("-", $date);
$value[$unit] = $int;
return date("Y-m-d", mktime(0,0,0, $dateArr[ 1] + $value['m'], $dateArr[2] + $value['d'], $dateArr[0] + $value['y']));
}
function GetWeekDay($date) { //計算出給定的日期是星期幾
$dateArr = explode("-", $date);
return date("w", mktime(0,0,0,$dateArr[1],$dateArr [2],$dateArr[0]));
}
?>
詳細出處參考:http://www.jb51.net/article/22199.htm
function /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]) &$date) {
return checkdate($dateArr[1],$dateArr[2],$dateArr[0]);
}
return false;
}
function check_time($$time = explode(":", $time);
if (is_numeric($timeArr[0]) && is_numeric($timeArr[1]) && is_numeric($timeArr[2])) {
if (($timeArr[0 ] >= 0 && $timeArr[0] = 0 && $timeArr[1] = 0 && $timeArr[2] return true;
else
return false;
}
return false;
}
詳細出處參考:http://www.jb51.net/artle/ate
date1, $date2, $unit = "") { //時間比較函數,回傳兩個日期相差幾秒鐘、幾分鐘、幾小時或幾天
switch ($unit) {
case 's':
$dividend = 1;
break;
case 'i':
$dividend = 60;
break;
case 'h':
$dividend = 3600;
breakbreak; ;
default:
$dividend = 86400;
}
$time1 = strtotime($date1);
$time2 = strtotime($date2); $time2) / $dividend;
return false;
}
?>
詳細出處參考:http://www.jb51.net/article/22199.htm
index.php");
方法二:echo "window.location ="$PHP_SELF";īpt>";
方法三:echo "";
?>
詳細來源參考:http://www.jb51.net/article/22199.htm
PHP重定向
複製程式碼如下:
PHP重定向方法header("Location: index.php");
方法二:echo "window.location ="$PHP_SELF";īpt>";
方法三:echo "";
?>
取得訪客瀏覽器
程式碼如下:
function browse_infor()
{$
@@
=""; ;
$Browsers =array("Lynx","MOSAIC","AOL","Opera","JAVA","MacWeb","WebExplorer","OmniWeb");
$Agent = $GLOBALS["HTTP_USER_AGENT" ];
for ($i=0; $i{
if (strpos($Agent,$Browsers[$i]))
{
$browser = $Browsers[$i];
$browserver ="";
}
}
if (ereg("Mozilla",$Agent) && !ereg("MSIE",$Agent))
{
$temp =explode("(", $Agent); $Part=$tempe; 0];
$temp =explode("/", $Part); $browserver=$temp[1];
$temp =explode(" ",$browserver); preg_replace("/([d.]+) /","1",$browserver);
$browser = " $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);
$browser = " $browserver";
$browser = "Opera";
}
if (ereg("Mozilla",$Agent) && ereg("MSIE" ,$ Agent)) illa",$Agent) && ereg("MSIE" ,$ Agent))
{temp
($
($ "(", $Agent); $Part=$temp[1];
$temp = 爆炸(";",$Part); $Part=$temp[ 1] ;
$temp = 爆炸(" ",$ Part);$browserver=$temp[2];
$browserver =preg_replace("/([d.]+)/","1",$browserver) ; $browser = " $browser";
$browser = "Internet Explorer";
}
if ($browser!="")
{
$browseinfo = "$browser$browser";
}
else
{
$browseinfo = "未知";
}
return $browseinfo;
}
//呼叫方法$browser=browseinfo() ;直接回傳結果
?>
詳細出處參考:http://www.jb51.net/article/22199.htm
取得存取網路程式碼如下:
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=='') $os = "未知";
返回$os;
}
//呼叫方法$os=os_infor() ;
?
$mime_types = 記憶體(
'gif'=> '圖片/gif',
'jpg' => '圖片/jpeg',
'jpeg' =>; '圖片/jpeg',
'jpe' =>; '圖片/jpeg',
'bmp' =>; '圖像/bmp',
'png' => '圖像/png',
'tif' =>; '圖片/tiff',
'tiff' => '圖片/tiff',
'pict' => '圖片/x-pict',
'pic' => '圖片/x-pict',
'pct' =>; 'image/x-pict',
'tif' => '映像/tiff',
'tiff' => '映像/tiff',
'psd' => 'image/x-photoshop',
'swf' =>; 'application/x-shockwave-flash',
'js' =>; 'application/x-javascrīpt',
'pdf' => 'application/pdf',
'ps' =>; '應用程式/postscript',
'eps' => '應用程式/postscript',
'ai' =>; '應用程式/postscrīpt',
'wmf' =>; 'application/x-msmetafile',
'css' =>; '文本/css',
'htm' =>; 'text/html',
'html' =>; 'text/html',
'txt' =>; '文字/純文字',
'xml' =>; 'text/xml',
'wml' =>; 'text/wml',
'wbmp' => 'image/vnd.wap.wbmp',
'mid' => '音頻/midi',
'wav' => '音頻/wav',
'mp3' => '音訊/mpeg',
'mp2' => '音訊/mpeg',
'avi' => '視訊/x-msvideo',
'mpeg' => '視訊/mpeg',
'mpg' => '影片/mpeg',
'qt' => '影片/quicktime',
'mov' => '影片/quicktime',
'lha' => '應用程式/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',
);
?
header("內容類型:application/vnd.ms-excel");
header("Content-Disposition:filename=test.xls");
回顯「test1t」;
回顯「test2tn」;
回顯「test1t」;
回顯「test2tn」;
回顯「test1t」;
回顯「test2tn」;
回顯「test1t」;
回顯「回顯「test2tn」;
回顯「test1t」;
回顯「test2tn」;
回顯「test1t」;
回顯「test2tn」;
//對應檔案頭就可以輸出.doc .xls等檔案格式了
?詳細資料參考:http://www.jb51.net/article/22199.htm
時間比較問題
舉一個簡單例子說明:例如論壇對當天發表的貼子用new圖片標記一下。
方法一:
複製碼代碼如下:
//$db->rows[$i][date]中為資料庫中datetime欄位值.
$today=time();
$theDay=date( "Y-m-d H:i:s",$today-24*3600);
$newTag=$db->rows[$i][date]>=$theDay?"":"";
//方法二:
$newTag=$db->rows[$i][date]>=date("Y-m-d 00:00:00")?"":"";
?>
複製程式碼如下:
//擷取頁面和瀏覽器提交的變量,作用相當於使PHP.INI開了全域變數
@extract($_SERVER, EXTR_SKIP);
@extract($_SESSION, EXTR_SKIP);
@extract($_POST, EXTR_SKIP);
@extract($_FISK) );
@extract($_ENV, EXTR_SKIP);
?>
複製程式碼如下:
//讀取檔案函數
function readfromfile($file_iffromfile($file_if.
$filenum=fopen($file_name,"r");
flock($filenum,LOCK_EX);
$file_data=fread($filenum, filesize($file_name));
rewind($filenum); filenum);
return $file_data;
}
}
?>
複製程式碼如下:
//寫入檔案函數
$filenum=fopen($file_name,$method);
flock($filenum,LOCK_EX);
$file_data=fwrite($filenum,$data);
fclose($filenum);
return $ ?>
複製程式碼如下:
//頁快速轉向
function turntopage($url="index.php",$info = "頁面轉向...",$second=2){
print "n
n
頁轉向....n";
print "
n";
print "n";
print "nn";
print "
n";
print " n";
print " | n";
print "
n";
print " n";
print " n"; print " n"; print " n"; print " 頁轉向提示訊息 | n"; print " n"; print " n"; print " $info | n"; print " n"; print " n"; print " n"; print " 如果你的瀏覽器不支援自動跳轉,請按這裡 a>
| n"; print " n"; print " n"; print "
| n";
print "
n";
print " n";
print " | n";
print "
n";
print "
n";
print "n";
exit;
?>
產生隨機字串函數
複製程式碼如下:
function rand#$length) {$length) {$ @#;
$chars = @#ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789abcdefghijklmnopqrstuvwxyz@#;
$max = strlen($chars) - 1;
mt_srand((double)microtime($chars) - 1;
mt_srand((double)microtime(00); $i++ ) {
$hash .= $chars[mt_rand(0, $max)];
}
return $hash;
}
?>
截斷長度的字串(此函數對GB2312使用有效複製碼程式碼如下:
function Wordscut($string, $length ,$sss=0) {
if(strlen($string) > $length) {
if($sss){1000$le ;
$addstr=@# ...@#;
}
for($i = 0; $i if(ord($string[$i]) > 127) {
$wordscut .= $string[$i].$string[$i + 1];
$i++;
} else {
$wordscut .= $string[$i];
}
}
} addstr;
}
return $string;
}
?>
取得客戶端IP位址
程式碼如下:
function GetIP(碼CLIENT_IP "), "unknown"))
$ip = getenv("HTTP_CLIENT_IP");
else if (getenv("HTTP_X_FORWARDED_FOR") && strcasecmp(getenv("HTTP_X_FORWARDED_FOR") && strcasecmp(getenv("HTTP_X_FORWARDED]F "HTTP_X_FORWARDED_FOR");
else if (getenv("REMOTE_ADDR") && strcasecmp(getenv("REMOTE_ADDR"), "unknown")) DR
$ip = getenv("REMOet_ADDR
$ @#REMOTE_ADDR@#]) && $_SERVER[@#REMOTE_ADDR@#] && strcasecmp($_SERVER[@#REMOTE_ADDR@#], "unknown"))
$ip = $_SERVER[@#REMOTE_ADDR@#. else
$ip = "unknown";
return($ip);
}
?>
判斷郵箱地址
代碼如下:
[a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+(.[a-zA-Z0-9_-])+",$inAddress));
}
?>
分頁(兩個函數搭配使用)
程式碼如下:
function getpage($sql,$page_size=20)
{
glo. $page = $_GET["page"];
//$eachpage = $page_size;
$pagesql = strstr($sql," from ");
$pagesql = "select count(*) as ids ".$pagesql ;
$result = mysql_query($pagesql);
if($rs = mysql_fetch_array($result)) $sums = $rs[0];
$totalpage = ceil($sums/$page_size); $page)($page$startpos = ($page-1)*$page_size;
$sql .=" limit $startpos,$page_size ";
return $sql
}
function showbar($string="")
{
global $page,$totalpage;
$out="共
".$totalpage. "頁";
$linkNum =4;
$start = ($page-round($linkNum/2))>0 ? ($page-round($linkNum/2)) : "1";
$end = ($page+round($linkNum/2))$prestart=$start-1;
$nextend=$end+1;
if($page1)
$out .= "
第一頁 ";
if($start>1)
$out.="
.. ";
for($t=$start;$t{
$out .= ($page==$t) ? "[".$t."] " : " $t ";
}
if($end$out.="
>>..";
if($page$totalpage)
$out .= "
最後頁";
return $out;
}
?>
取得新插入資料的ID
複製程式碼
?>
程式碼如下:
//取得目前的腳本網址
function get_php_url(){
if(!empty($_server["REQUEST_URI"])){
$scriptName = $_SERVER["REQUEST_URI"];
$nowurl = $scriptName.
} ["PHP_SELF"];
if(empty($_SERVER["QUERY_STRING"])) $nowurl = $scriptName;
else $nowurl = $scriptName."?".$_SERVER["QUERY_STRING"];
} $nowurl;
}
?>
程式碼如下:
//將全角數字轉為半角數
function GetAlabNum($fnum){
function GetAlabNum($fnum){($nums = array($"$" ","3","4","5","6","7","8","9");
$fnums = "0123456789";
for($i=0;$i$fnum = ereg_replace("[^0-9.]|^0{1,} ","",$fnum);
if($fnum=="") $fnum=0;
return $fnum;
}
?>
程式碼如下:
//去除HTML標記標記
$txt = str_replace(" "," ",$txt);
$txt = str_replace("$txt = str_replace(">"," >",$txt);
$txt = preg_replace("/[rn]{1,}/isU","
rn",$txt);
return $txt;
}
?>
return $txt;
}
?>
//相對路徑轉換成絕對路徑
function relative_to_absolute($content, $feed_url) {
preg_match('/(http|https|ftp):///', $feed_url, $protocol); server_url = preg_replace("/(http|https|ftp|news):///", "", $feed_url);
$server_url = preg_replace("//.*/", "", $server_url);
if ($server_url == '') {
return $content;
}
if (isset($protocol[0])) {
$new_content = preg_replace('/href="//', 'href="' .$protocol[0].$server_url.'/', $content);
$new_content = preg_replace('/src="//', 'src="'.$protocol[0].$server_url.'/ ', $new_content);
} else {
$new_content = $content;
}
return $new_content;
}
?>
? 取得所有連結碼code){
preg_match_all('/
"' ]+)["|']?s*[^>]*>([^>]+)/i',$code,$arr);
return array('name'=>$arr[2],'url'=>$arr[1]);
}
?>
複製代碼程式碼如下:
//HTML表格的每行轉為CSV格式陣列
function get_tr_array($table) {
$table = preg_replace("']*?>'si",'" ',$table); $table = str_replace(" | ",'",',$table);
$table = str_replace("","{tr}",$table) ;
//去掉HTML 標記
$table = preg_replace("']*?>'si","",$table);
//去掉空白字元
$table = preg_replace("'([rn])[s]+'","",$table);
$table = str_replace(" ","",$table);
$table = str_replace(" "," ",$table);
$table = explode(",{tr}",$table);
array_pop($table);
return $table;
}
?>
將HTML表格的每行和每列轉為數組,收集表格資料
function get_td_array($table) {
$table = preg_replace("']*?>'si","", $table);
$table = preg_replace("']*?>'si","",$table);
$table = preg_replace("']*?>' si","",$table); $table = str_replace(" |
","{tr}",$table);
$table = str_replace("","{td} ",$table);
//去掉HTML 標記
$table = preg_replace("']*?>'si","",$table);
//去掉空白字元
$table = preg_replace("'([rn])[s]+'","",$table);
$table = str_replace(" ","",$table);
$table = str_replace(" ","",$table);
$table = explode('{tr}', $table);
array_pop($table);
foreach ($table as $key=>$tr) {
$td = explode('{td}', $tr);
array_pop($td);
$td_array[] = $td;
}
return $td_array;
}
?>
复制代码 代码如下:
//返回字符串中的所有单词 $distinct=true 去除重复
function split_en_str($str,$distinct=true) {
preg_match_all('/([a-zA-Z]+)/',$str,$match);
if ($distinct == true) {
$match[1] = array_unique($match[1]);
}
sort($match[1]);
return $match[1];
}
?>
复制代码 代码如下:
//打印出为本PHP项目做出贡献的人员的清单
string phpcredits(void)
?>
//获得当前的脚本网址
function get_php_url(){
if(!empty($_SERVER["REQUEST_URI"])){
$scriptName = $_SERVER["REQUEST_URI"];
$nowurl = $scriptName;
}else{
$scriptName = $_SERVER["PHP_SELF"];
if(empty($_SERVER["QUERY_STRING"])) $nowurl = $scriptName;
else $nowurl = $scriptName."?".$_SERVER["QUERY_STRING"];
}
return $nowurl;
}
//把全角数字转为半角数字
function GetAlabNum($fnum){
$nums = array("0","1","2","3","4","5","6","7","8","9");
$fnums = "0123456789";
for($i=0;$i<=9;$i++) $fnum = str_replace($nums[$i],$fnums[$i],$fnum);
$fnum = ereg_replace("[^0-9\.]|^0{1,}","",$fnum);
if($fnum=="") $fnum=0;
return $fnum;
}
//去除HTML标记
function Text2Html($txt){
$txt = str_replace(" "," ",$txt);
$txt = str_replace("<","<",$txt);
$txt = str_replace(">",">",$txt);
$txt = preg_replace("/[\r\n]{1,}/isU","
\r\n",$txt);
return $txt;
}
//清除HTML标记
function ClearHtml($str){
$str = str_replace('<','<',$str);
$str = str_replace('>','>',$str);
return $str;
}
//相对路径转化成绝对路径
function relative_to_absolute($content, $feed_url) {
preg_match('/(http|https|ftp):\/\//', $feed_url, $protocol);
$server_url = preg_replace("/(http|https|ftp|news):\/\//", "", $feed_url);
$server_url = preg_replace("/\/.*/", "", $server_url);
if ($server_url == '') {
return $content;
}
if (isset($protocol[0])) {
$new_content = preg_replace('/href="\//', 'href="'.$protocol[0].$server_url.'/', $content);
$new_content = preg_replace('/src="//', 'src="'.$protocol[0].$server_url.'/', $new_content);
} else {
return $new_content;
}
//取得所有連結
function $new_content;
}
//取得所有連結
function $new_content;
}
//取得所有連結
function get_all_url($code){
preg_match_all('/]*>([^>]+)/i',$code,$arr);
return array('name'=>$arr[2],'url' =>$arr[1]);
}
//取得指定標記中的內容
function get_tag_data($str, $start end == '' ){
return;
}
str = explode($end, $str[1]);
return $str[0];
}
//HTML表格的每行轉為CSV格式陣列
function get_tr_array($table) {
$table = preg_replace("']*?>'si",'"',$ ; $table = str_replace(" | ",'",',$table);
$table= HTML 標記
$table = preg_replace("']*?>'si","",$ = preg_replace("'([rn])[s]+'","",$table);
$table = str_replace(" ","",$table);
,$table);
$table = explode(",{tr}",$table);
//將HTML表格的每行每列轉為陣列,擷取表格資料
function get_td_array($table) {
$table = preg_replace("']* 'si","",$table); ]*?>'si","",$table);
$table = preg_replace("']*?>'si","",$table); table = str_replace(" |
","{tr}",$table);
$table = str_replace("","{td}",$
$table = preg_replace("']*?>'si","",$table);
rn])[s]+'","",$table);
$table = str_replace(" ","",$table);
,$ table);
$table = explode('{tr}', $table);
) {
$td = explode('{td }', $tr);
array_pop($td);
$td_array[] = $td;
} 所有字$distinct=true 去除重複
function split_en_str($str,$distinct =true) {
preg_match_all('/([a-zA-Z]+)/',$str,$match);
$match[1] = array_unique($match [1]);
}
sort($match[1]);
//檔案讀取函式
function PHP_Read($file_name) {
$ fd=fopen($file_name,r);
while($bufline=fgets($fd, 4096)){
$buf.=$bufline; }
?>
檔案寫入函數
//檔案寫入函數,$ ($file_name,$method);
flock($filenum,LOCK_EX);
$file_data=fwrite($filenum,$data);
fclose($filenum);
靜態頁產生函式
//靜態頁產生函數
function phptohtm($filefrom,$fileto,$u2u=1){
;
}else{
$data=$filefrom;
}
PHP_Write($fileto,$data);
指定條件資訊數量擷取函數
//指定條件資訊數量擷取函數
function rec_exist($table,$where){
$query="select i) as num from $table ".$where; ) or die(nerror(1));
$rowcount=mysql_fetch_array($result);
$num=$rowcount["num"];
if ($num==0){ return $num;
}
?>
目錄刪除函式
. dir($directory);
while($file =$mydir->read()){
if((is_dir("$directory/$file")) AND ($file!=".") AND ($file!="..")){
del_DIR ("$directory/$file");
}else{
if(($file!=".") AND ($file!="..")){
unlink("$directory/$file") ;
//echo "unlink $directory/$file ok ";
}
}
}
); //echo "rmdir $directory ok ";
}
?>
目錄名稱合法性i $p=ord(substr($str,$i,1));
if(($p57 & $p90 & $p122){
nerror("不符合規範! ");
}
$ret.=chr($p);
}
return $ret;
//分頁函式
function splitlist($HALT,$LRLIST,$ECHOCNT,$paper,$table,$where,$page_id,$userid){
global $splitstr,$sumcnt){
global $splitstr,$sumcnt '; " || $sumcnt==""){
$query = "從$table $where 中選擇count(*) as num";
$結果= mysql_query($query);
;
$sumcnt=$row["num"];
if($sumcnt==0){
nerror("版內尚未選擇發佈新聞!"); 150118
$sumpaper=($sumcnt-$sumcnt%$ECHOCNT)/$ECHOCNT;
if(($sumcnt%$ECHOCNT)!=0) $sumpaper+=ALT;
=0) return($where);
$enwhere=base64_encode(base64_encode($where));
if(($LRLIST*2+1) . ){
$tract=1;
$sub=$LRLIST*2+1;
}else if(($paper+$LRLIST) >= $sumpaper){
$sub=$sumpaper;
}其他{
$tract=$paper-$LRLIST;
$sub=$paper+$LR
$sub=$sumpaper;
}
$uppaper=$paper-1;
$downpaper=$paper+1;
$startcnt=($paper-1)*$ECHOCNT;
} $where } $where } ;
if($tract > 1) { $splitstr="【 else $splitstr="【 for($i=$subtract; $i++){
if ($i!=$paper) $splitstr.="".$i." ";
else $splitstr.="".$i." ";
=$sumpaper) $splitstr.=">> 】";
else $splitstr.=">>】";
return($where);
}
? >
關於分頁函數的使用說明
/*
#### 擷取分頁函數####
頁碼Int $LRLIST - (頁碼條顯示頁碼數-1)/2
Int $ECHOCNT - 搜尋時每頁顯示記錄的數量
Int $paper - 頁數,預先擷取:$paper=$HTTP_GET_VARS[paper]; $table - 資料表名,預先附值:$table="db.table";
Varchar $where - 搜尋條件,預附值:$where="where field='value'";
Varchar $enwhere -將原$where進行兩次base64_encode()編碼後以GET的方式提交
Varchar $splitstr - 頁碼條輸出字符串,執行函數後在對應的位置執行echo $splitstr;
函式呼叫前需取得指標-
$paper=$HTTP_GET_VARS[paper];
$sumcnt=$HTTP_GET_VARS[sumcnt];
$enwhere=$HTTP_GET_VARS[enwhere] $enwhere=$HTTP_GET_VARS[enwhere.頁後檢索語句的檢索條件
注意:本函式呼叫需要錯誤處理函數nerror($error);
*/
圖片檔案上傳函式
$UploadFile_size,$UploadPath,$max_size=64){
/ /$時間限制=60; //設定逾時限制時間激勵時間為30秒設定為不限時
($ if(($UploadFile!= "none" )&&($UploadFile != "" )){
$FileName=$UploadPath.$UploadFile_name;
if($UploadFile_size }elseif($UploadFile_size
$FileSize=number_format(30
}其他{
nerror("檔案超過限制大小!");
}
//{
//$FileSize="number_format((double)($UploadFile_size" / (1024 * 1024), 1024), / }
if(!file_exists($FileName)){
if(copy($UploadFile,$FileName)){
return "$UploadFile_name ($FileSize)";載失敗!超時設定
}
}
如何判斷ip位址合法性
if(!strcmp(long2ip(sprintf("%u",ip2long($ip))),$ip)) echo "is ipn";
----
email的正規判斷
eregi("^[_.0-9a-zA-Z-]+@([0-9a-zA-Z][0-9a-zA-Z_-]+.)+[ a-zA-Z]$", $email);
檢測ip位址和mask是否合法的例子
$ip = '192.168.0.84',355% ;
$network = '192.168.0';
$ip = ip2long($ip);
$mask = ip2long($mask);
$network = ip2long($network); mask) == $network) echo "valid ip and maskn";
?>
----
文件下載頭部輸出如何設定
. : application/x-download");
header("Content-Disposition: attachment; filename=$file_download_name;");
header("Accept-Ranges: bytes");
header("Content-Lizes"); );
echo 'xxx'
用header輸出ftp下載方式,並且支援斷點續傳
一個例子:
header('Pacheo); private');
header('Cache-Control: no-cache, must-revalidate');
header('Accept-Ranges: bytes');
header('ent: close');
header("ContConnection-Connection類型: audio/mpeg");
header("Location:ftp://download:1bk3l4s3k9s2@232.2.22.22/2222/web技術開發知識庫/cn_web.rmvb");中文
ereg("^[".chr(0xa1)."-".chr(0xff)."]+$", $str);
批量替換文本裡面的超級連結
? php
function urlParse($str = ''){
if ('' == $str) return $str;
$types = array("http", "ftp", "https"); ''.htmlentities('1').htmlentities('2').''
EOPHP;
$ret = $str;
while(list(,$type) = each($types)){
_retype [^s]*)|ie ", $replace, $ret);
}
return $ret;
}
?>