//时间限制(用于调用最近热门文章、热门评论之类)，这里的时间只能计算到天，否则缓存功能将无效
//当subday=1的时候调用1天内的文章
//当subday=2的时候调用昨天的文章
//当subday=3的时候调用2天前得所有文章
//当subday=7的时候调用7天内得所有文章
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if($subday > 0)
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{
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if($subday == 1)
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{
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$ntime = gmmktime(0, 0, 0, gmdate('m'), gmdate('d'), gmdate('Y'));
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$limitday = $ntime - ($subday * 24 * 3600);
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$orwheres[] = " arc.senddate > $limitday ";
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}
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else if ($subday == 2)
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{
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$ntime = gmmktime(0, 0, 0, gmdate('m'), gmdate('d'), gmdate('Y'));
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$limitday = $ntime - ($subday * 24 * 3600);
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$lomitday = $ntime;
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$orwheres[] = " arc.senddate > $lomitday && arc.senddate < $limitday";
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}
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else if ($subday == 3)
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{
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$ntime = gmmktime(0, 0, 0, gmdate('m'), gmdate('d'), gmdate('Y'));
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$limitday = $ntime -($subday * 24 * 3600)+(1*24 * 3600);
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$orwheres[] = " arc.senddate < $limitday ";
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}
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else if ($subday == 7)
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{
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$ntime = gmmktime(0, 0, 0, gmdate('m'), gmdate('d'), gmdate('Y'));
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$limitday = $ntime - ($subday * 24 * 3600);
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$orwheres[] = " arc.senddate > $limitday ";
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}
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}
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} |