PHP format timestamp displays friendly time, PHP formatting_PHP tutorial

<span>//</span><span>格式化友好显示时间</span>
<span>function</span> formatTime(<span>$time</span><span>){
    </span><span>$now</span>=<span>time</span><span>();
    </span><span>$day</span>=<span>date</span>('Y-m-d',<span>$time</span><span>);
    </span><span>$today</span>=<span>date</span>('Y-m-d'<span>);
    
    </span><span>$dayArr</span>=<span>explode</span>('-',<span>$day</span><span>);
    </span><span>$todayArr</span>=<span>explode</span>('-',<span>$today</span><span>);
    
    </span><span>//</span><span>距离的天数，这种方法超过30天则不一定准确，但是30天内是准确的，因为一个月可能是30天也可能是31天</span>
    <span>$days</span>=(<span>$todayArr</span>[0]-<span>$dayArr</span>[0])*365+((<span>$todayArr</span>[1]-<span>$dayArr</span>[1])*30)+(<span>$todayArr</span>[2]-<span>$dayArr</span>[2<span>]);
    </span><span>//</span><span>距离的秒数</span>
    <span>$secs</span>=<span>$now</span>-<span>$time</span><span>;
    
    </span><span>if</span>(<span>$todayArr</span>[0]-<span>$dayArr</span>[0]>0 && <span>$days</span>>3){<span>//</span><span>跨年且超过3天</span>
        <span>return</span> <span>date</span>('Y-m-d',<span>$time</span><span>);
    }</span><span>else</span><span>{
    
        </span><span>if</span>(<span>$days</span><1){<span>//</span><span>今天</span>
            <span>if</span>(<span>$secs</span><60)<span>return</span> <span>$secs</span>.'秒前'<span>;
            </span><span>elseif</span>(<span>$secs</span><3600)<span>return</span> <span>floor</span>(<span>$secs</span>/60)."分钟前"<span>;
            </span><span>else</span> <span>return</span> <span>floor</span>(<span>$secs</span>/3600)."小时前"<span>;
        }</span><span>else</span> <span>if</span>(<span>$days</span><2){<span>//</span><span>昨天</span>
            <span>$hour</span>=<span>date</span>('h',<span>$time</span><span>);
            </span><span>return</span> "昨天".<span>$hour</span>.'点'<span>;
        }</span><span>elseif</span>(<span>$days</span><3){<span>//</span><span>前天</span>
            <span>$hour</span>=<span>date</span>('h',<span>$time</span><span>);
            </span><span>return</span> "前天".<span>$hour</span>.'点'<span>;
        }</span><span>else</span>{<span>//</span><span>三天前</span>
            <span>return</span> <span>date</span>('m月d号',<span>$time</span><span>);
        }
    }
}</span>