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PHP code:

<?php
header("Content-Type: text/plain; charset=gb2312");
if(@$_GET["get"]=="ture"){
$str="À´×ÔPHPµÃÊý¾Ý";
echo $str;
}
?>
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HTML code:

<div id="aa"></div>
<script type="text/javascript">
function ajax(){
var xhr = cajax();
function ready(){
if( xhr.readyState==4)
document.getElementById("aa").innerHTML=xhr.responseText;
}
xhr.open("get","ajaxobj.php?get=ture",true);
xhr.onreadystatechange=ready;
xhr.send(null);
}
</script>


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<?php
header("Content-Type: text/plain; charset=gb2312");
if(@$_GET["get"]=="ture"){
$str="À´×ÔPHPµÃÊý¾Ý";
echo $str;
}
?>
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PHP code:

$date = '2009-12-25';
$ptn = '/([\d]{4})[- \/](0?[\d]|1[0-2])[-\/ ](0?[\d]|[1-2][\d]|3[0-1])/';
if (preg_match($ptn,$date,$out))
{
print_r($out);exit();
}
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