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<?
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//Log article operation into table bbs_article_log
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function article_op_log(int $aid, int $uid, string $op_type, string $ip_addr, mysqli $db_conn = null) : mysqli_result | bool
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{
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/*
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Type Description
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A Add article
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D Delete article
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S Restore article
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L Lock article
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U Unlock article
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M Modify article
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T Move article
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E Set article as excerption
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O Unset article as excerption
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F Set article on top
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V Unset article on top
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R Recommend article
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N Unrecommend article
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Z Set article as trnasship
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*/
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$sql = "INSERT INTO bbs_article_op(AID, UID, type, op_dt, op_ip)
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VALUES($aid, $uid, '$op_type', NOW(), '$ip_addr')";
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$ret = mysqli_query($db_conn, $sql);
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return $ret;
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}
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//Add/Subtract user exp
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function user_exp_change(int $uid, int $exp_change, mysqli $db_conn = null) : mysqli_result | bool
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{
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$sql = "UPDATE user_pubinfo SET exp = exp + $exp_change WHERE UID = $uid";
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$ret = mysqli_query($db_conn, $sql);
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return $ret;
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}
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//Display error message in a pop-up window
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function error_msg($msg, $back=false, $close=false)
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{
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$ret = "<script language=\"JavaScript\">\n".
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" alert(\"".str_replace("\n","\\\n",$msg)."\");\n".
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($back?" history.go(-1);\n":"").
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($close?" self.close();\n":"").
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"</script>";
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echo $ret;
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}
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?>
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