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resource mssql_connect([string servername[,string username[,string password[,bool new_link]]]])
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$hostname="datahost";//MSSQL·þÎñÆ÷µÄIPµØÖ·»ò·þÎñÆ÷µÄÃû×Ö
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$dbpassword="123";//MSSQL·þÎñÆ÷µÄÃÜÂë
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if($conn)
{
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}
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$b=&$a;
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$b="world"; 
echo $a;
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