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function
 replace_utf8bom(
$str
)  
{  
    $charset
[1] = 
substr
(
$str
,0,1);  
    $charset
[2] = 
substr
(
$str
,1,1);  
    $charset
[3] = 
substr
(
$str
,2,1);  
    if
 (ord(
$charset
[1]) == 239 && ord(
$charset
[2]) == 187 && ord(
$charset
[3]) == 191)  
    {  
        return
 
substr
(
$str
,3);  
    }  
    else
  
    {  
        return
 false;  
    }  

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$array=array(array(2,324,34)); 
echo   $array[0][1]; 
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$student[0][0]="ÎÒ";
$student[0][1]="ÊÇ";
$student[1][0]="Ë­";
$student[1][1]="ά";
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$conn=mysql_connect ("localhost:3306", "username", "password");
mysql_select_db("DBname");
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$exec="select * from stu";
$result=mysql_query($exec);
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 <?php
 class DB
 {
  private $link;
  function connectDB($dbhost, $dbuser, $dbpw, $dbname="", $pconnect = 1)
  {
   if($pconnect)
   {
    if(!$this->link = mysql_pconnect($dbhost, $dbuser, ......
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