收藏PHP常用函数

<? 
function GetIP() { //获取IP 
if ($_SERVER["HTTP_X_FORWARDED_FOR"]) 
$ip = $_SERVER["HTTP_X_FORWARDED_FOR"]; //OSPHP.com.CN 
    else if ($_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"); //PHP开源代码 
    else if (getenv("REMOTE_ADDR")) 
$ip = getenv("REMOTE_ADDR"); 
    else 
$ip = "Unknown"; 
    return $ip; 
} 
?>

 //开源代码OSPHP.COM.Cn 
<?php 
function DateAdd($date, $int, $unit = "d") { //时间的增加（还可以改进成时分秒都可以增加，有时间再补上） 
$dateArr = explode("-", $date); 
$value[$unit] = $int;

//OsPHP.COM.CN

    return date("Y-m-d", mktime(0,0,0, $dateArr[1] + $value['m'], $dateArr[2] + $value['d'], $dateArr[0] + $value['y']));

//开源OSPhP.COM.CN

} 
function GetWeekDay($date) {  //计算出给出的日期是星期几 
$dateArr = explode("-", $date); 
    return date("w", mktime(0,0,0,$dateArr[1],$dateArr[2],$dateArr[0]));

//开源代码OSPhP.COm.CN

} 
?> 

 
<? 
function check_date($date) { //检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])) { //开源OSPhP.COM.CN 
        return checkdate($dateArr[1],$dateArr[2],$dateArr[0]); 
    } 
    return false; 
} 
function check_time($time) {  //检查时间是否合法时间

//OSPHP.COM.Cn开源

$timeArr = explode(":", $time); 
    if (is_numeric($timeArr[0]) && is_numeric($timeArr[1]) && is_numeric($timeArr[2])) {

//开源代码OSPHP.COM.Cn

        if (($timeArr[0] >= 0 && $timeArr[0] <= 23) && ($timeArr[1] >= 0 && $timeArr[1] <= 59) && ($timeArr[2] >= 0 && $timeArr[2] <= 59))

//PHP开源代码

            return true; 
        else 
            return false; 
    } 
    return false; 
} 
function DateDiff($date1, $date2, $unit = "") { //时间比较函数，返回两个日期相差几秒、几分钟、几小时或几天 //oSPHP.COM.CN 
switch ($unit) { 
        case 's': 
$dividend = 1; 
            break; 
        case 'i': 
$dividend = 60;

//oSPHP.COM.CN

            break; 
        case 'h': 
$dividend = 3600; 
            break; 
        case 'd': 
$dividend = 86400; 
            break; //开源代码OSPhP.COm.CN 
        default: 
$dividend = 86400; 
    } 
$time1 = strtotime($date1); 
$time2 = strtotime($date2); 
    if ($time1 && $time2) //OSPHP.com.CN 
        return (float)($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>";

//开源代码OSPhP.COm.CN

方法三：echo "<META HTTP-EQUIV="Refresh" CONTENT="0; URL=index.php">"; 
?> 

 
获取访问者浏览器 
<? 
function browse_infor() 
{ 
$browser="";$browserver="";

//OSPHP.COm.CN

$Browsers =array("Lynx","MOSAIC","AOL","Opera","JAVA","MacWeb","WebExplorer","OmniWeb"); 
$Agent = $GLOBALS["HTTP_USER_AGENT"]; 
for ($i=0; $i<=7; $i++) //开源代码OSPHP.COM.Cn 
{ 
if (strpos($Agent,$Browsers[$i])) 
{ 
$browser = $Browsers[$i]; 
$browserver =""; 
} 
} 
if (ereg("Mozilla",$Agent) && !ereg("MSIE",$Agent)) //开源代码OSPhP.COm.CN 
{ 
$temp =explode("(", $Agent); $Part=$temp[0]; 
$temp =explode("/", $Part); $browserver=$temp[1];

//OSPHP.COM.Cn开源

$temp =explode(" ",$browserver); $browserver=$temp[0]; 
$browserver =preg_replace("/([d.]+)/","1",$browserver); 
$browserver = " $browserver"; //OsPHP.COM.CN 
$browser = "Netscape Navigator"; 
} 
if (ereg("Mozilla",$Agent) && ereg("Opera",$Agent)) 
{ 
$temp =explode("(", $Agent); $Part=$temp[1];

//PHP开源代码

$temp =explode(")", $Part); $browserver=$temp[1]; 
$temp =explode(" ",$browserver);$browserver=$temp[2];

//开源代码OSPHP.COM.Cn

$browserver =preg_replace("/([d.]+)/","1",$browserver); 
$browserver = " $browserver"; 
$browser = "Opera"; 
} 
if (ereg("Mozilla",$Agent) && ereg("MSIE",$Agent))

//PHP开源代码

{ 
$temp = explode("(", $Agent); $Part=$temp[1]; 
$temp = explode(";",$Part); $Part=$temp[1]; //OsPHP.COM.CN 
$temp = explode(" ",$Part);$browserver=$temp[2]; 
$browserver =preg_replace("/([d.]+)/","1",$browserver); 
$browserver = " $browserver"; //OSPHP.com.CN 
$browser = "Internet Explorer"; 
} 
if ($browser!="") 
{ 
$browseinfo = "$browser$browserver"; 
} 
else 
{ 
$browseinfo = "Unknown"; 
} 
return $browseinfo; 
} 
//调用方法$browser=browseinfo() ;直接返回结果 
?> //开源OSPhP.COM.CN 

 
获取访问者操作系统 
<? 
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)) {

//开源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)) {

//OSPHP.COM.Cn开源

$os="Windows NT"; 
} 
elseif (eregi('win',$Agent) && eregi('nt 5.1',$Agent)) { 
$os="Windows XP"; 
} 
elseif (eregi('win',$Agent) && ereg('32',$Agent)) {

//开源OSPhP.COM.CN

$os="Windows 32"; 
} 
elseif (eregi('linux',$Agent)) { 
$os="Linux"; 
} 
elseif (eregi('unix',$Agent)) { 
$os="Unix"; //PHP开源代码 
} 
elseif (eregi('sun',$Agent) && eregi('os',$Agent)) { 
$os="SunOS"; 
} 
elseif (eregi('ibm',$Agent) && eregi('os',$Agent)) { //OSPHP.COm.CN 
$os="IBM OS/2"; 
} 
elseif (eregi('Mac',$Agent) && eregi('PC',$Agent)) { 
$os="Macintosh"; 
} 
elseif (eregi('PowerPC',$Agent)) { //OSPHP.com.CN 
$os="PowerPC"; 
} 
elseif (eregi('AIX',$Agent)) { 
$os="AIX"; 
} 
elseif (eregi('HPUX',$Agent)) { 
$os="HPUX";

//开源代码OSPhP.COm.CN

} 
elseif (eregi('NetBSD',$Agent)) { 
$os="NetBSD"; 
} 
elseif (eregi('BSD',$Agent)) { 
$os="BSD"; 
} 
elseif (ereg('OSF1',$Agent)) {

//开源代码OSPHP.COM.Cn

$os="OSF1"; 
} 
elseif (ereg('IRIX',$Agent)) { 
$os="IRIX"; 
} 
elseif (eregi('FreeBSD',$Agent)) { 
$os="FreeBSD";

//oSPHP.COM.CN

} 
if ($os=='') $os = "Unknown"; 
return $os; 
} 
//调用方法$os=os_infor() ; 
?> 

 
文件格式类 
<? 
$mime_types = array( 
'gif' => 'image/gif', //oSPHP.COM.CN 
'jpg' => 'image/jpeg', 
'jpeg' => 'image/jpeg', 
'jpe' => 'image/jpeg', 
'bmp' => 'image/bmp', 
'png' => 'image/png', 
'tif' => 'image/tiff', //开源代码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', //开源OSPhP.COM.CN 
'ai' => 'application/postscrīpt', 
'wmf' => 'application/x-msmetafile', 
'css' => 'text/css', 
'htm' => 'text/html', 
'html' => 'text/html', 
'txt' => 'text/plain', //开源OSPhP.COM.CN 
'xml' => 'text/xml', 
'wml' => 'text/wml', 
'wbmp' => 'image/vnd.wap.wbmp', 
'mid' => 'audio/midi', 
'wav' => 'audio/wav', 
'mp3' => 'audio/mpeg', //OSPHP.com.CN 
'mp2' => 'audio/mpeg', 
'avi' => 'video/x-msvideo', 
'mpeg' => 'video/mpeg', 
'mpg' => 'video/mpeg', 
'qt' => 'video/quicktime', 
'mov' => 'video/quicktime', //开源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',

//OSPHP.COM.Cn开源

'tgz' => 'application/x-gzip', 
'tar' => 'application/x-tar', 
'bz2' => 'application/bzip2', 
'zip' => 'application/zip', 
'arj' => 'application/x-arj', 
'rar' => 'application/x-rar-compressed',

//开源代码OSPHP.COM.Cn

'hqx' => 'application/mac-binhex40', 
'sit' => 'application/x-stuffit', 
'bin' => 'application/x-macbinary', 
'uu' => 'text/x-uuencode', 
'uue' => 'text/x-uuencode', 
'latex'=> 'application/x-latex',

//OSPHP.COM.Cn开源

'ltx' => 'application/x-latex', 
'tcl' => 'application/x-tcl', 
'pgp' => 'application/pgp', 
'asc' => 'application/pgp', 
'exe' => 'application/x-msdownload', 
'doc' => 'application/msword',

//开源OSPhP.COM.CN

'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文档 
<? 
header("Content-type:application/vnd.ms-excel"); 
header("Content-Disposition:filename=test.xls"); 
echo "test1t"; 
echo "test2tn"; 
echo "test1t"; 
echo "test2tn"; 
echo "test1t";

//PHP开源代码

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 
?> 

 
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。 //PHP开源代码 
方法一： 
<? 
//$db->rows[$i][date]中为数据库中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'>":""; 
?> 

 
//提取页面和浏览器提交的变量，作用相当于使PHP.INI开了全局变量 //OSPHP.com.CN 
<? 
@extract($_SERVER, EXTR_SKIP); 
@extract($_SESSION, EXTR_SKIP); 
@extract($_POST, EXTR_SKIP); 
@extract($_FILES, EXTR_SKIP); //开源OSPhP.COM.CN 
@extract($_GET, EXTR_SKIP); 
@extract($_ENV, EXTR_SKIP); 
?> 

 
//读取文件函数 
<? 
function readfromfile($file_name) { 
if (file_exists($file_name)) {

//OSPHP.COM.Cn开源

$filenum=fopen($file_name,"r"); 
flock($filenum,LOCK_EX); 
$file_data=fread($filenum, filesize($file_name)); 
rewind($filenum); //OSPHP.COm.CN 
fclose($filenum); 
return $file_data; 
} 
} 
?> 

 
//写入文件函数 
<? 
function writetofile($file_name,$data,$method="w") { 
$filenum=fopen($file_name,$method);

//OSPHP.COm.CN

flock($filenum,LOCK_EX); 
$file_data=fwrite($filenum,$data); 
fclose($filenum); 
return $file_data; 
} 
?> 

//开源代码OSPHP.COM.Cn

//页面快速转向 
<? 
function turntopage($url="index.php",$info = "页面转向中...",$second=2){ 
print "<html>n<head>n<title>页面转向中....</title>n"; 
print "<meta http-equiv="refresh" content="$second;url=$url">n"; //开源代码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";

//开源代码OSPHP.COM.Cn

print " <tr>n"; 
print " <td height="30" align="center">页面转向提示信息</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">如果你的浏览器不支持自动跳转,请按这里</a></td>n"; 
print " </tr>n"; 
print " </tr>n"; 
print " </table></td>n"; 
print " </tr>n"; 
print " <tr>n"; //开源OSPhP.COM.CN 
print " <td height="200"> </td>n"; 
print " </tr>n"; 
print "</table>n"; 
print "</body>n</html>"; 
exit; 
?>

 
产生随机字符串函数 
<? 
function random($length) { 
$hash = @#@#; 
$chars = @#ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789abcdefghijklmnopqrstuvwxyz@#; //oSPHP.COM.CN 
$max = strlen($chars) - 1; 
mt_srand((double)microtime() * 1000000); 
for($i = 0; $i < $length; $i++) {

//开源代码OSPHP.COM.Cn

$hash .= $chars[mt_rand(0, $max)]; 
} 
return $hash; 
} 
?> 

 
截取一定长度的字符串（该函数对GB2312使用有效） 
<? 
function Wordscut($string, $length ,$sss=0) {

//OSPHP.com.CN

if(strlen($string) > $length) { 
               if($sss){ 
$length=$length - 3; 
$addstr=@# ...@#;

//OSPHP.COM.Cn开源

} 
  for($i = 0; $i < $length; $i++) { 
   if(ord($string[$i]) > 127) { 
$wordscut .= $string[$i].$string[$i + 1]; //oSPHP.COM.CN 
$i++; 
   } else { 
$wordscut .= $string[$i]; 
   } 
  } 
  return $wordscut.$addstr; 
} 
return $string; 
} 
?> 

 
取得客户端IP地址 
<?

//开源代码OSPhP.COm.CN

function GetIP(){ 
             if (getenv("HTTP_CLIENT_IP") && strcasecmp(getenv("HTTP_CLIENT_IP"), "unknown")) 
$ip = getenv("HTTP_CLIENT_IP"); //OSPHP.COM.Cn开源 
             else if (getenv("HTTP_X_FORWARDED_FOR") && strcasecmp(getenv("HTTP_X_FORWARDED_FOR"), "unknown")) 
$ip = getenv("HTTP_X_FORWARDED_FOR"); //OSPHP.com.CN 
             else if (getenv("REMOTE_ADDR") && strcasecmp(getenv("REMOTE_ADDR"), "unknown")) 
$ip = getenv("REMOTE_ADDR"); 
             else if (isset($_SERVER[@#REMOTE_ADDR@#]) && $_SERVER[@#REMOTE_ADDR@#] && strcasecmp($_SERVER[@#REMOTE_ADDR@#], "unknown"))

//OSPHP.COm.CN

$ip = $_SERVER[@#REMOTE_ADDR@#]; 
else 
$ip = "unknown"; 
             return($ip); 
} 
?> 

//开源代码OSPhP.COm.CN

 
判断邮箱地址 
<? 
function checkEmail($inAddress) 
{ 
return (ereg("^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+(.[a-zA-Z0-9_-])+",$inAddress)); 
} 
?> 

 
分页（两个函数配合使用） 
<? 
function getpage($sql,$page_size=20)

//开源代码OSPhP.COm.CN

{ 
      global $page,$totalpage,$sums;  //out param 
$page = $_GET["page"]; 
//$eachpage = $page_size; 
$pagesql = strstr($sql," from ");

//oSPHP.COM.CN

$pagesql = "select count(*) as ids ".$pagesql; 
$result = mysql_query($pagesql); 
      if($rs = mysql_fetch_array($result)) $sums = $rs[0];

//PHP开源代码

$totalpage = ceil($sums/$page_size); 
      if((!$page)($page<1)) $page=1; 
$startpos = ($page-1)*$page_size; //OsPHP.COM.CN 
$sql .=" limit $startpos,$page_size "; 
    return $sql; 
} 
function showbar($string="") 
{      
    global $page,$totalpage; 
$out="共<font ".$totalpage."color=@#red@#><b>".$totalpage."</b></font>页  "; //OsPHP.COM.CN 
$linkNum =4; 
$start = ($page-round($linkNum/2))>0 ? ($page-round($linkNum/2)) : "1"; //OSPHP.com.CN 
$end   = ($page+round($linkNum/2))<$totalpage ? ($page+round($linkNum/2)) : $totalpage; 
$prestart=$start-1; //OSPHP.com.CN 
$nextend=$end+1; 
    if($page<>1)  
$out .= "<a href=@#?page=1&&".$string."@#title=第一页>第一页</a> "; 
    if($start>1) //OSPHP.COm.CN 
$out.="<a href=@#?page=".$prestart."@# title=上一页>..<<</a> "; 
for($t=$start;$t<=$end;$t++) 
    { 
$out .= ($page==$t) ? "<font [".$t."]color=@#red@#><b>[".$t."]</b></font> " : "<a $thref=@#?page=$t&&".$string."@#>$t</a> "; //oSPHP.COM.CN 
    } 
if($end<$totalpage) 
$out.="<a href=@#?page=".$nextend."&&".$string."@# title=下一页>>>..</a>"; 
    if($page<>$totalpage) 
$out .= " <a href=@#?page=".$totalpage."&&".$string."@# title=最后页>最后页</a>"; //OSPHP.COM.Cn开源 
   return $out; 
} 
?> 

 
获取新插入数据的ID 
<? 
mysql_insert_id(); 
?> 

 
//获得当前的脚本网址 
<? 
function get_php_url(){ 
        if(!empty($_server["REQUEST_URI"])){

//开源代码OSPhP.COm.CN

$scriptName = $_SERVER["REQUEST_URI"]; 
$nowurl = $scriptName; 
        }else{ 
$scriptName = $_SERVER["PHP_SELF"]; //OsPHP.COM.CN 
                if(empty($_SERVER["QUERY_STRING"])) $nowurl = $scriptName; 
                else $nowurl = $scriptName."?".$_SERVER["QUERY_STRING"]; 
        }

//OsPHP.COM.CN

        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");

//OSPHP.com.CN

$fnums = "0123456789"; 
        for($i=0;$i<=9;$i++) $fnum = str_replace($nums[$i],$fnums[$i],$fnum); //OsPHP.COM.CN 
$fnum = ereg_replace("[^0-9.]|^0{1,}","",$fnum); 
        if($fnum=="") $fnum=0; 
        return $fnum; 
} 
?>

//PHP开源代码

 
//去除HTML标记 
<? 
function Text2Html($txt){ 
$txt = str_replace("  "," ",$txt); 
$txt = str_replace("<","&lt;",$txt); //开源OSPhP.COM.CN 
$txt = str_replace(">","&gt;",$txt); 
$txt = preg_replace("/[rn]{1,}/isU"," 
rn",$txt); 
        return $txt;

//OSPHP.COm.CN

} 
?> 

 
//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); 

//开源OSPhP.COM.CN

$server_url = preg_replace("//.*/", "", $server_url);  
    if ($server_url == '') {  
        return $content;  
    }  
    if (isset($protocol[0])) { 

//开源代码OSPhP.COm.CN

$new_content = preg_replace('/href="//', 'href="'.$protocol[0].$server_url.'/', $content);  
$new_content = preg_replace('/src="//', 'src="'.$protocol[0].$server_url.'/', $new_content);  //开源OSPhP.COM.CN 
    } else {  
$new_content = $content;  
    }  
    return $new_content;  
}  
?> 

 
//取得所有链接 
<? 
function get_all_url($code){  
preg_match_all('/<as+href=["|']?([^>"' ]+)["|']?s*[^>]*>([^>]+)</a>/i',$code,$arr);  //OSPHP.COm.CN 
        return array('name'=>$arr[2],'url'=>$arr[1]);  
} 
?> 

 
//HTML表格的每行转为CSV格式数组 
<? 
function get_tr_array($table) {

//PHP开源代码

$table = preg_replace("'<td[^>]*?>'si",'"',$table); 
$table = str_replace("</td>",'",',$table); 
$table = str_replace("</tr>","{tr}",$table); //开源代码OSPhP.COm.CN 
//去掉 HTML 标记  
$table = preg_replace("'<[/!]*?[^<>]*?>'si","",$table); 
//去掉空白字符   
$table = preg_replace("'([rn])[s]+'","",$table);

//开源代码OSPhP.COm.CN

$table = str_replace(" ","",$table); 
$table = str_replace(" ","",$table); 
$table = explode(",{tr}",$table);

//开源代码OSPHP.COM.Cn

array_pop($table); 
        return $table; 
} 
?>

 
//将HTML表格的每行每列转为数组，采集表格数据 
<? 
function get_td_array($table) { 
$table = preg_replace("'<table[^>]*?>'si","",$table);

//OSPHP.COm.CN

$table = preg_replace("'<tr[^>]*?>'si","",$table); 
$table = preg_replace("'<td[^>]*?>'si","",$table); 
$table = str_replace("</tr>","{tr}",$table); //开源代码OSPhP.COm.CN 
$table = str_replace("</td>","{td}",$table); 
//去掉 HTML 标记  
$table = preg_replace("'<[/!]*?[^<>]*?>'si","",$table); //OSPHP.COM.Cn开源 
//去掉空白字符   
$table = preg_replace("'([rn])[s]+'","",$table); 
$table = str_replace(" ","",$table);

//开源代码OSPHP.COM.Cn

$table = str_replace(" ","",$table); 
$table = explode('{tr}', $table); 
array_pop($table); //PHP开源代码 
        foreach ($table as $key=>$tr) { 
$td = explode('{td}', $tr); 
array_pop($td); 
$td_array[] = $td; //PHP开源代码 
        } 
        return $td_array; 
} 
?> 

 
//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);

//开源代码OSPHP.COM.Cn

        if ($distinct == true) { 
$match[1] = array_unique($match[1]); 
        } 
sort($match[1]); //OSPHP.COm.CN 
        return $match[1]; 
} 
?> 

 
//打印出为本PHP项目做出贡献的人员的清单 
<? 
string phpcredits(void) 
?>


posted on 2011-02-23 13:05  Right_MR  阅读(193)  评论(0)  编辑  收藏  举报