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//ÓÃÓÚÑéÖ¤ÂëÐòÁÐÉú³ÉµÈ..
function random($length) {
$hash = '';
$chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789abcdefghijklmnopqrstuvwxyz';
$max = strlen($chars)-1;
$length=4;//³¤¶È×ÔÐÐÉ趨
mt_srand((double)microtime() * 1000000);
for($i = 0; $i < $length; $i++){
$hash .= $chars[mt_rand(0, $max)];
}
return $hash;
}
//²âÊÔÊä³ö£º
//echo random(4);
?>


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$student[0][0]="ÎÒ";
$student[0][1]="ÊÇ";
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