mysql随机查询代码
$r = mysql_query('select count(*) from user');
$d = mysql_fetch_row($r);
$rand = mt_rand(0,$d[0]-1);
$r = mysql_query('select username from user limit $rand,1');
来自 “ ITPUB博客 ” ,链接:https://blog.itpub.net/29753604/viewspace-1300893/
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