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<!doctype html>
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carbon
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<span class="page-pv"><i class="fa fa-file-o"></i> 本文总阅读量
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<p>#Carbon 时间处理类</p>
<blockquote>
<p>Laravel 项目中的时间处理非常容易，引入 <a href="https://github.com/briannesbitt/Carbon" target="_blank" rel="noopener">Carbon</a> 时间处理类，github 拥有接近 5000 个 star。</p>
</blockquote>
<h2 id="安装"><a href="#安装" class="headerlink" title="安装"></a>安装</h2><figure class="highlight armasm"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line"><span class="symbol">composer</span> <span class="meta">require</span> nesbot/carbon</span><br></pre></td></tr></table></figure>
<h2 id="本地化"><a href="#本地化" class="headerlink" title="本地化"></a>本地化</h2><figure class="highlight clean"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">\Carbon\Carbon::setLocale(<span class="string">'zh'</span>);</span><br></pre></td></tr></table></figure>
<h2 id="使用"><a href="#使用" class="headerlink" title="使用"></a>使用</h2><figure class="highlight php"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span 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class="line">180</span><br><span class="line">181</span><br><span class="line">182</span><br><span class="line">183</span><br><span class="line">184</span><br><span class="line">185</span><br><span class="line">186</span><br><span class="line">187</span><br><span class="line">188</span><br><span class="line">189</span><br><span class="line">190</span><br><span class="line">191</span><br><span class="line">192</span><br><span class="line">193</span><br><span class="line">194</span><br><span class="line">195</span><br><span class="line">196</span><br><span class="line">197</span><br><span class="line">198</span><br><span class="line">199</span><br><span class="line">200</span><br><span class="line">201</span><br><span class="line">202</span><br><span class="line">203</span><br><span class="line">204</span><br><span class="line">205</span><br><span class="line">206</span><br><span class="line">207</span><br><span class="line">208</span><br><span class="line">209</span><br><span 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class="line">240</span><br><span class="line">241</span><br><span class="line">242</span><br><span class="line">243</span><br><span class="line">244</span><br><span class="line">245</span><br><span class="line">246</span><br><span class="line">247</span><br><span class="line">248</span><br><span class="line">249</span><br><span class="line">250</span><br><span class="line">251</span><br><span class="line">252</span><br><span class="line">253</span><br><span class="line">254</span><br><span class="line">255</span><br><span class="line">256</span><br><span class="line">257</span><br><span class="line">258</span><br><span class="line">259</span><br><span class="line">260</span><br><span class="line">261</span><br><span class="line">262</span><br><span class="line">263</span><br><span class="line">264</span><br><span class="line">265</span><br><span class="line">266</span><br><span class="line">267</span><br><span class="line">268</span><br><span class="line">269</span><br><span class="line">270</span><br><span class="line">271</span><br><span class="line">272</span><br><span class="line">273</span><br><span class="line">274</span><br><span class="line">275</span><br><span class="line">276</span><br><span class="line">277</span><br><span class="line">278</span><br><span class="line">279</span><br></pre></td><td class="code"><pre><span class="line"><span class="keyword">use</span> <span class="title">Carbon</span>\<span class="title">Carbon</span>; <span class="comment">// Carbon 类在 Carbon 命名空间中声明</span></span><br><span class="line"></span><br><span class="line"><span class="comment">// 获取当前时间</span></span><br><span class="line"><span class="keyword">echo</span> Carbon::now(); <span class="comment">// 2017-04-07 16:32:28</span></span><br><span class="line"></span><br><span class="line"><span class="comment">// 今天</span></span><br><span class="line"><span class="keyword">echo</span> Carbon::today(); <span class="comment">// 2017-04-07 00:00:00</span></span><br><span class="line"><span class="comment">// 明天</span></span><br><span class="line"><span class="keyword">echo</span> Carbon::tomorrow(); <span class="comment">// 2017-04-08 00:00:00</span></span><br><span class="line"><span class="comment">// 昨天</span></span><br><span class="line"><span class="keyword">echo</span> Carbon::yesterday(); <span class="comment">// 2017-04-06 00:00:00</span></span><br><span class="line"></span><br><span class="line"><span class="comment">// 获取前一天的开始时间</span></span><br><span class="line"><span class="keyword">echo</span> Carbon::now()->yesterday()->startOfDay(); <span class="comment">// 2017-04-06 00:00:00</span></span><br><span class="line"><span class="comment">// 获取前一天的结束时间</span></span><br><span class="line"><span class="keyword">echo</span> Carbon::now()->yesterday()->endOfDay(); <span class="comment">// 2017-04-06 23:59:59</span></span><br><span class="line"></span><br><span class="line"><span class="comment">//上一周开始时间 (星期一)</span></span><br><span class="line"><span class="keyword">echo</span> Carbon::now()->previous()->startOfWeek(); <span class="comment">// 2017-03-27 00:00:00</span></span><br><span class="line"><span class="comment">// 这周周一</span></span><br><span class="line"><span class="keyword">echo</span> Carbon::now()->startOfWeek(); <span class="comment">// 2017-04-03 00:00:00</span></span><br><span class="line"><span class="comment">//上一周结束时间 (星期天)</span></span><br><span class="line"><span class="keyword">echo</span> Carbon::now()->previous()->endOfWeek(); <span class="comment">// 2017-04-02 23:59:59</span></span><br><span class="line"><span class="comment">// 这周周天</span></span><br><span class="line"><span class="keyword">echo</span> Carbon::now()->endOfWeek(); <span class="comment">// 2017-04-09 23:59:59</span></span><br><span class="line"></span><br><span class="line"><span class="comment">//获取上一月的开始时间</span></span><br><span class="line"><span class="keyword">echo</span> Carbon::now()->subMonth(<span class="number">1</span>)->startOfMonth(); <span class="comment">// 2017-03-01 00:00:00</span></span><br><span class="line"><span class="comment">// 获取上一月的结束时间</span></span><br><span class="line"><span class="keyword">echo</span> Carbon::now()->subMonth(<span class="number">1</span>)->endOfMonth(); <span class="comment">// 2017-03-31 23:59:59</span></span><br><span class="line"><span class="comment">// 这个月的第一天开始时间</span></span><br><span class="line"><span class="keyword">echo</span> Carbon::now()->startOfMonth(); <span class="comment">// 2017-04-01 00:00:00</span></span><br><span class="line"><span class="comment">// 这个月的最后一天结束时间</span></span><br><span class="line"><span class="keyword">echo</span> Carbon::now()->endOfMonth(); <span class="comment">// 2017-04-30 23:59:59</span></span><br><span class="line"></span><br><span class="line"><span class="comment">// 获取上一年的开始时间</span></span><br><span class="line"><span class="keyword">echo</span> Carbon::now()->subYear(<span class="number">1</span>)->startOfYear(); <span class="comment">// 2016-01-01 00:00:00</span></span><br><span class="line"><span class="comment">// 今年开始时间</span></span><br><span class="line"><span class="keyword">echo</span> Carbon::now()->startOfYear(); <span class="comment">// 2017-01-01 00:00:00</span></span><br><span class="line"><span class="keyword">echo</span> Carbon::now()->lastOfYear()->startOfYear(); <span class="comment">// 2017-01-01 00:00:00</span></span><br><span class="line"><span class="comment">// 获取上一年的结束时间</span></span><br><span class="line"><span class="keyword">echo</span> Carbon::now()->subYear(<span class="number">1</span>)->endOfYear(); <span class="comment">// 2016-12-31 23:59:59</span></span><br><span class="line"><span class="comment">// 今年结束时间</span></span><br><span class="line"><span class="keyword">echo</span> Carbon::now()->endOfYear(); <span class="comment">// 2017-12-31 23:59:59</span></span><br><span class="line"><span class="keyword">echo</span> Carbon::now()->lastOfYear()->endOfYear(); <span class="comment">// 2017-12-31 23:59:59</span></span><br><span class="line"></span><br><span class="line"><span class="comment">// 获取当前时间的固定格式</span></span><br><span class="line"><span class="keyword">echo</span> Carbon::now()->format(<span class="string">'Y-m-d'</span>); <span class="comment">// 2017-04-07</span></span><br><span class="line"><span class="comment">// 几号</span></span><br><span class="line"><span class="keyword">echo</span> Carbon::now()->day; <span class="comment">// 7</span></span><br><span class="line"><span class="comment">// 几月</span></span><br><span class="line"><span class="keyword">echo</span> Carbon::now()->month; <span class="comment">// 4</span></span><br><span class="line"><span class="comment">// 年</span></span><br><span class="line"><span class="keyword">echo</span> Carbon::now()->year; <span class="comment">// 2017</span></span><br><span class="line"><span class="comment">// 小时</span></span><br><span class="line"><span class="keyword">echo</span> Carbon::now()->hour;</span><br><span class="line"><span class="comment">// 分钟</span></span><br><span class="line"><span class="keyword">echo</span> Carbon::now()->minute;</span><br><span class="line"><span class="comment">// 上周的今天是星期几</span></span><br><span class="line"><span class="keyword">echo</span> Carbon::now()->dayOfWeek; <span class="comment">// 5</span></span><br><span class="line"><span class="comment">// 今天是365天中的第几天</span></span><br><span class="line"><span class="keyword">echo</span> Carbon::now()->dayOfYear; <span class="comment">// 96</span></span><br><span class="line"><span class="comment">// 这个月中的第几周</span></span><br><span class="line"><span class="keyword">echo</span> Carbon::now()->weekOfMonth; <span class="comment">// 1</span></span><br><span class="line"><span class="comment">// 年中的第几周</span></span><br><span class="line"><span class="keyword">echo</span> Carbon::now()->weekOfYear; <span class="comment">// 14</span></span><br><span class="line"><span class="comment">// 季度</span></span><br><span class="line"><span class="keyword">echo</span> Carbon::now()->quarter; <span class="comment">// 2</span></span><br><span class="line"><span class="comment">// 几岁</span></span><br><span class="line"><span class="keyword">echo</span> Carbon::createFromDate(<span class="number">1991</span>, <span class="number">5</span>, <span class="number">21</span>)->age; <span class="comment">// 25</span></span><br><span class="line"><span class="comment">// 这个月有几天</span></span><br><span class="line"><span class="keyword">echo</span> Carbon::now()->daysInMonth; <span class="comment">// 30</span></span><br><span class="line"></span><br><span class="line">var_dump(<span class="keyword">isset</span>(Carbon::now()->hour)); <span class="comment">// bool(true)</span></span><br><span class="line">var_dump(<span class="keyword">empty</span>(Carbon::now()->year)); <span class="comment">// bool(false)</span></span><br><span class="line"></span><br><span class="line"><span class="keyword">echo</span> Carbon::now()->year(<span class="number">2017</span>)->month(<span class="number">5</span>)->day(<span class="number">21</span>)->hour(<span class="number">22</span>)->minute(<span class="number">32</span>)->second(<span class="number">5</span>)->toDateTimeString(); <span class="comment">// 2017-05-21 22:32:05</span></span><br><span class="line"><span class="keyword">echo</span> Carbon::now()->setDate(<span class="number">2017</span>, <span class="number">5</span>, <span class="number">21</span>)->setTime(<span class="number">22</span>, <span class="number">32</span>, <span class="number">5</span>)->toDateTimeString(); <span class="comment">// 2017-05-21 22:32:05</span></span><br><span class="line"><span class="keyword">echo</span> Carbon::now()->setDateTime(<span class="number">2017</span>, <span class="number">5</span>, <span class="number">21</span>, <span class="number">22</span>, <span class="number">32</span>, <span class="number">5</span>)->toDateTimeString(); <span class="comment">// 2017-05-21 22:32:05</span></span><br><span class="line"></span><br><span class="line"><span class="comment">// 日期解析</span></span><br><span class="line"><span class="keyword">echo</span> <span class="keyword">new</span> Carbon(<span class="string">'now'</span>);</span><br><span class="line"><span class="keyword">echo</span> Carbon::parse(<span class="string">'now'</span>); <span class="comment">// 2017-04-07 17:54:35</span></span><br><span class="line"><span class="keyword">echo</span> Carbon::parse(<span class="string">'today'</span>); <span class="comment">// 2017-04-07 00:00:00</span></span><br><span class="line"><span class="keyword">echo</span> Carbon::parse(<span class="string">'yesterday'</span>); <span class="comment">// 2017-04-06 00:00:00</span></span><br><span class="line"><span class="keyword">echo</span> Carbon::parse(<span class="string">'2 days ago'</span>); <span class="comment">// 2017-04-05 17:56:28</span></span><br><span class="line"><span class="keyword">echo</span> Carbon::parse(<span class="string">'+3 days'</span>); <span class="comment">// 2017-04-10 17:57:14</span></span><br><span class="line"><span class="keyword">echo</span> Carbon::parse(<span class="string">'-3 days'</span>); <span class="comment">// 2017-04-04 17:57:37</span></span><br><span class="line"><span class="keyword">echo</span> Carbon::parse(<span class="string">'+2 weeks'</span>); <span class="comment">// 2017-04-21 17:58:05</span></span><br><span class="line"><span class="keyword">echo</span> Carbon::parse(<span class="string">'+4 months'</span>); <span class="comment">// 2017-08-07 17:58:32</span></span><br><span class="line"><span class="keyword">echo</span> Carbon::parse(<span class="string">'-1 year'</span>); <span class="comment">// 2016-04-07 17:58:56</span></span><br><span class="line"><span class="keyword">echo</span> Carbon::parse(<span class="string">'next wednesday'</span>); <span class="comment">// 2017-04-12 00:00:00</span></span><br><span class="line"><span class="keyword">echo</span> Carbon::parse(<span class="string">'last friday'</span>); <span class="comment">// 2017-03-31 00:00:00</span></span><br><span class="line"></span><br><span class="line"><span class="comment">// 将carbon对象转换成string类型</span></span><br><span class="line"><span class="keyword">echo</span> Carbon::createFromTimestamp(<span class="number">-1</span>)->toDateTimeString(); <span class="comment">// 1970-01-01 07:59:59</span></span><br><span class="line"><span class="keyword">echo</span> Carbon::now()->toDateString(); <span class="comment">// 2017-04-07</span></span><br><span class="line"><span class="keyword">echo</span> Carbon::now()->toDateTimeString(); <span class="comment">// 2017-04-07 16:53:28</span></span><br><span class="line"><span class="keyword">echo</span> Carbon::now()->toFormattedDateString(); <span class="comment">// Apr 7, 2017</span></span><br><span class="line"><span class="keyword">echo</span> Carbon::now()->toTimeString(); <span class="comment">// 18:04:00</span></span><br><span class="line"><span class="keyword">echo</span> Carbon::now()->toDayDateTimeString(); <span class="comment">// Fri, Apr 7, 2017 6:04 PM</span></span><br><span class="line"></span><br><span class="line"><span class="comment">// 获取当前时间的时间戳</span></span><br><span class="line"><span class="keyword">echo</span> Carbon::now()->timestamp; <span class="comment">// 1491554091</span></span><br><span class="line"></span><br><span class="line"><span class="keyword">echo</span> Carbon::now()->timestamp(<span class="number">1491554091</span>)->toDateTimeString(); <span class="comment">// 2017-04-07 16:34:51</span></span><br><span class="line"></span><br><span class="line"><span class="comment">// 设置当前地区的时区</span></span><br><span class="line"><span class="keyword">echo</span> Carbon::now()->timezone(<span class="string">'Asia/Shanghai'</span>); <span class="comment">// 2017-04-07 16:35:35</span></span><br><span class="line"></span><br><span class="line"><span class="comment">// 直接使用字符串</span></span><br><span class="line"><span class="keyword">echo</span> Carbon::now(<span class="string">'Europe/London'</span>); <span class="comment">// 2017-04-07 09:36:41</span></span><br><span class="line"></span><br><span class="line"><span class="comment">// createFromDate()将默认的时间到现在。 createFromTime()将日期默认为今天。</span></span><br><span class="line"><span class="keyword">echo</span> Carbon::createFromDate(<span class="number">2018</span>, <span class="number">1</span>, <span class="number">1</span>, <span class="string">'Europe/London'</span>); <span class="comment">// 2018-01-01 16:39:40</span></span><br><span class="line"><span class="keyword">echo</span> Carbon::createFromFormat(<span class="string">'Y-m-d H'</span>, <span class="string">'1975-05-21 22'</span>)->toDateTimeString(); <span class="comment">// 1975-05-21 22:00:00</span></span><br><span class="line"><span class="keyword">echo</span> Carbon::createFromFormat(<span class="string">'Y-m-d H'</span>, <span class="string">'1975-05-21 22'</span>); <span class="comment">// 1975-05-21 22:00:00</span></span><br><span class="line"></span><br><span class="line"><span class="comment">// create()将默认任何null参数到当前相应的值</span></span><br><span class="line"><span class="keyword">echo</span> Carbon::create(<span class="number">2000</span>, <span class="number">1</span>, <span class="number">1</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>); <span class="comment">// 2000-01-01 00:00:00</span></span><br><span class="line"></span><br><span class="line"><span class="comment">// 日期比较</span></span><br><span class="line"><span class="keyword">echo</span> Carbon::now()->tzName; <span class="comment">// PRC</span></span><br><span class="line">$first = Carbon::create(<span class="number">2017</span>, <span class="number">4</span>, <span class="number">10</span>, <span class="number">11</span>, <span class="number">26</span>, <span class="number">30</span>);</span><br><span class="line">$second = Carbon::create(<span class="number">2017</span>, <span class="number">4</span>, <span class="number">10</span>, <span class="number">11</span>, <span class="number">26</span>, <span class="number">30</span>, <span class="string">'Asia/Shanghai'</span>);</span><br><span class="line"></span><br><span class="line"><span class="keyword">echo</span> $first->toDateTimeString(); <span class="comment">// 2017-04-10 11:26:30</span></span><br><span class="line"><span class="keyword">echo</span> $first->tzName; <span class="comment">// PRC</span></span><br><span class="line"><span class="keyword">echo</span> $second->toDateTimeString(); <span class="comment">// 2017-04-10 11:26:30</span></span><br><span class="line"><span class="keyword">echo</span> $second->tzName; <span class="comment">// Asia/Shanghai</span></span><br><span class="line"></span><br><span class="line"><span class="comment">// 判断两个日期是否相等</span></span><br><span class="line">var_dump($first->eq($second)); <span class="comment">// bool(true)</span></span><br><span class="line"><span class="comment">// 判断第一个日期是否不等于第二个日期</span></span><br><span class="line">var_dump($first->ne($second)); <span class="comment">// bool(false)</span></span><br><span class="line"><span class="comment">// 判断第一个日期是否比第二个日期大</span></span><br><span class="line">var_dump($first->gt($second)); <span class="comment">// bool(false)</span></span><br><span class="line"><span class="comment">// 判断第一个日期是否大于等于第二个日期</span></span><br><span class="line">var_dump($first->gte($second)); <span class="comment">// bool(true)</span></span><br><span class="line"><span class="comment">// 判断第一个日期是否比第二个日期小</span></span><br><span class="line">var_dump($first->lt($second)); <span class="comment">// bool(false)</span></span><br><span class="line"><span class="comment">// 判断第一个日期是否小于等于第二个日期</span></span><br><span class="line">var_dump($first->lte($second)); <span class="comment">// bool(true)</span></span><br><span class="line"></span><br><span class="line"><span class="comment">// 设置日期和时间</span></span><br><span class="line">$first->setDateTime(<span class="number">2017</span>, <span class="number">1</span>, <span class="number">1</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>);</span><br><span class="line">$second->setDateTime(<span class="number">2017</span>, <span class="number">1</span>, <span class="number">1</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>);</span><br><span class="line"></span><br><span class="line">var_dump($first->eq($second)); <span class="comment">// bool(true)</span></span><br><span class="line">var_dump($first->ne($second)); <span class="comment">// bool(false)</span></span><br><span class="line">var_dump($first->gt($second)); <span class="comment">// bool(false)</span></span><br><span class="line">var_dump($first->gte($second)); <span class="comment">// bool(true)</span></span><br><span class="line">var_dump($first->lt($second)); <span class="comment">// bool(false)</span></span><br><span class="line">var_dump($first->lte($second)); <span class="comment">// bool(true)</span></span><br><span class="line"></span><br><span class="line"><span class="comment">// 要判断一个日期是否介于两个日期之间，可以使用 between() 方法，第三个可选参数指定比较是否可以相等，默认为 true</span></span><br><span class="line">$first = Carbon::create(<span class="number">2012</span>, <span class="number">9</span>, <span class="number">5</span>, <span class="number">1</span>);</span><br><span class="line">$second = Carbon::create(<span class="number">2012</span>, <span class="number">9</span>, <span class="number">5</span>, <span class="number">5</span>);</span><br><span class="line">var_dump(Carbon::create(<span class="number">2012</span>, <span class="number">9</span>, <span class="number">5</span>, <span class="number">3</span>)->between($first, $second)); <span class="comment">// bool(true)</span></span><br><span class="line">var_dump(Carbon::create(<span class="number">2012</span>, <span class="number">9</span>, <span class="number">5</span>, <span class="number">5</span>)->between($first, $second)); <span class="comment">// bool(true)</span></span><br><span class="line">var_dump(Carbon::create(<span class="number">2012</span>, <span class="number">9</span>, <span class="number">5</span>, <span class="number">5</span>)->between($first, $second, <span class="keyword">false</span>)); <span class="comment">// bool(false)</span></span><br><span class="line"></span><br><span class="line">$dt1 = Carbon::create(<span class="number">2012</span>, <span class="number">1</span>, <span class="number">1</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>);</span><br><span class="line">$dt2 = Carbon::create(<span class="number">2014</span>, <span class="number">1</span>, <span class="number">30</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>);</span><br><span class="line"><span class="comment">// 返回最小日期</span></span><br><span class="line"><span class="keyword">echo</span> $dt1->min($dt2); <span class="comment">// 2012-01-01 00:00:00</span></span><br><span class="line"></span><br><span class="line">$dt1 = Carbon::create(<span class="number">2012</span>, <span class="number">1</span>, <span class="number">1</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>);</span><br><span class="line">$dt2 = Carbon::create(<span class="number">2014</span>, <span class="number">1</span>, <span class="number">30</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>);</span><br><span class="line"><span class="comment">// 返回最大日期</span></span><br><span class="line"><span class="keyword">echo</span> $dt1->max($dt2); <span class="comment">// 2014-01-30 00:00:00</span></span><br><span class="line"></span><br><span class="line"><span class="comment">// now is the default param</span></span><br><span class="line">$dt1 = Carbon::create(<span class="number">2000</span>, <span class="number">1</span>, <span class="number">1</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>);</span><br><span class="line"><span class="keyword">echo</span> $dt1->max(); <span class="comment">// 2017-04-10 11:51:23</span></span><br><span class="line"></span><br><span class="line">$dt = Carbon::now();</span><br><span class="line"></span><br><span class="line"><span class="comment">// 确定实例是一个工作日</span></span><br><span class="line">$dt->isWeekday();</span><br><span class="line"><span class="comment">// 确定实例是周末的一天</span></span><br><span class="line">$dt->isWeekend();</span><br><span class="line">$dt->isYesterday();</span><br><span class="line">$dt->isToday();</span><br><span class="line">$dt->isTomorrow();</span><br><span class="line"><span class="comment">// 是否比现在的时间大</span></span><br><span class="line">$dt->isFuture();</span><br><span class="line"><span class="comment">// 是否比现在的时间小</span></span><br><span class="line">$dt->isPast();</span><br><span class="line"><span class="comment">// 确定实例是闰年</span></span><br><span class="line">$dt->isLeapYear();</span><br><span class="line"><span class="comment">// 检查传入日期是同一天的当前实例</span></span><br><span class="line">$dt->isSameDay(Carbon::now());</span><br><span class="line">$born = Carbon::createFromDate(<span class="number">1987</span>, <span class="number">4</span>, <span class="number">23</span>);</span><br><span class="line">$noCake = Carbon::createFromDate(<span class="number">2014</span>, <span class="number">9</span>, <span class="number">26</span>);</span><br><span class="line">$yesCake = Carbon::createFromDate(<span class="number">2014</span>, <span class="number">4</span>, <span class="number">23</span>);</span><br><span class="line">$overTheHill = Carbon::now()->subYears(<span class="number">50</span>);</span><br><span class="line"><span class="comment">// 检查它的生日。比较两个日期的日期</span></span><br><span class="line">var_dump($born->isBirthday($noCake)); <span class="comment">// bool(false)</span></span><br><span class="line">var_dump($born->isBirthday($yesCake)); <span class="comment">// bool(true)</span></span><br><span class="line">var_dump($overTheHill->isBirthday()); <span class="comment">// bool(true) -> default compare it to today!</span></span><br><span class="line"></span><br><span class="line"><span class="comment">// 日期操作</span></span><br><span class="line"><span class="comment">// add（增加）, sub（减去）</span></span><br><span class="line">$dt = Carbon::create(<span class="number">2017</span>, <span class="number">4</span>, <span class="number">10</span>, <span class="number">0</span>);</span><br><span class="line"></span><br><span class="line"><span class="keyword">echo</span> $dt->toDateTimeString(); <span class="comment">// 2017-04-10 00:00:00</span></span><br><span class="line"></span><br><span class="line"><span class="keyword">echo</span> $dt->addYears(<span class="number">5</span>); <span class="comment">// 2022-04-10 00:00:00</span></span><br><span class="line"><span class="keyword">echo</span> $dt->addYear(); <span class="comment">// 2023-04-10 00:00:00</span></span><br><span class="line"><span class="keyword">echo</span> $dt->subYear(); <span class="comment">// 2022-04-10 00:00:00</span></span><br><span class="line"><span class="keyword">echo</span> $dt->subYears(<span class="number">5</span>); <span class="comment">// 2017-04-10 00:00:00</span></span><br><span class="line"></span><br><span class="line"><span class="keyword">echo</span> $dt->addMonths(<span class="number">6</span>); <span class="comment">// 2017-10-10 00:00:00</span></span><br><span class="line"><span class="keyword">echo</span> $dt->addMonth(); <span class="comment">// 2017-11-10 00:00:00 equivalent of $dt->month($dt->month + 1); so it wraps</span></span><br><span class="line"><span class="keyword">echo</span> $dt->subMonth(); <span class="comment">// 2017-10-10 00:00:00</span></span><br><span class="line"><span class="keyword">echo</span> $dt->subMonths(<span class="number">6</span>); <span class="comment">// 2017-04-10 00:00:00</span></span><br><span class="line"></span><br><span class="line"><span class="keyword">echo</span> $dt->addDays(<span class="number">5</span>); <span class="comment">// 2017-04-15 00:00:00</span></span><br><span class="line"><span class="keyword">echo</span> $dt->addDay(); <span class="comment">// 2017-04-16 00:00:00</span></span><br><span class="line"><span class="keyword">echo</span> $dt->subDay(); <span class="comment">// 2017-04-15 00:00:00</span></span><br><span class="line"><span class="keyword">echo</span> $dt->subDays(<span class="number">5</span>); <span class="comment">// 2017-04-10 00:00:00</span></span><br><span class="line"></span><br><span class="line"><span class="keyword">echo</span> $dt->addWeekdays(<span class="number">4</span>); <span class="comment">// 2017-04-14 00:00:00</span></span><br><span class="line"><span class="keyword">echo</span> $dt->addWeekday(); <span class="comment">// 2017-04-17 00:00:00</span></span><br><span class="line"><span class="keyword">echo</span> $dt->subWeekday(); <span class="comment">// 2017-04-14 00:00:00</span></span><br><span class="line"><span class="keyword">echo</span> $dt->subWeekdays(<span class="number">4</span>); <span class="comment">// 2017-04-10 00:00:00</span></span><br><span class="line"></span><br><span class="line"><span class="keyword">echo</span> $dt->addWeeks(<span class="number">1</span>); <span class="comment">// 2017-04-17 00:00:00</span></span><br><span class="line"><span class="keyword">echo</span> $dt->addWeek(); <span class="comment">// 2017-04-24 00:00:00</span></span><br><span class="line"><span class="keyword">echo</span> $dt->subWeek(); <span class="comment">// 2017-04-17 00:00:00</span></span><br><span class="line"><span class="keyword">echo</span> $dt->subWeeks(<span class="number">1</span>); <span class="comment">// 2017-04-10 00:00:00</span></span><br><span class="line"></span><br><span class="line"><span class="keyword">echo</span> $dt->addHours(<span class="number">24</span>); <span class="comment">// 2017-04-11 00:00:00</span></span><br><span class="line"><span class="keyword">echo</span> $dt->addHour(); <span class="comment">// 2017-04-11 01:00:00</span></span><br><span class="line"><span class="keyword">echo</span> $dt->subHour(); <span class="comment">// 2017-04-11 00:00:00</span></span><br><span class="line"><span class="keyword">echo</span> $dt->subHours(<span class="number">24</span>); <span class="comment">// 2017-04-10 00:00:00</span></span><br><span class="line"></span><br><span class="line"><span class="keyword">echo</span> $dt->addMinutes(<span class="number">61</span>); <span class="comment">// 2017-04-10 01:01:00</span></span><br><span class="line"><span class="keyword">echo</span> $dt->addMinute(); <span class="comment">// 2017-04-10 01:02:00</span></span><br><span class="line"><span class="keyword">echo</span> $dt->subMinute(); <span class="comment">// 2017-04-10 01:01:00</span></span><br><span class="line"><span class="keyword">echo</span> $dt->subMinutes(<span class="number">61</span>); <span class="comment">// 2017-04-10 00:00:00</span></span><br><span class="line"></span><br><span class="line"><span class="keyword">echo</span> $dt->addSeconds(<span class="number">61</span>); <span class="comment">// 2017-04-10 00:01:01</span></span><br><span class="line"><span class="keyword">echo</span> $dt->addSecond(); <span class="comment">// 2017-04-10 00:01:02</span></span><br><span class="line"><span class="keyword">echo</span> $dt->subSecond(); <span class="comment">// 2017-04-10 00:01:01</span></span><br><span class="line"><span class="keyword">echo</span> $dt->subSeconds(<span class="number">61</span>); <span class="comment">// 2017-04-10 00:00:00</span></span><br><span class="line"></span><br><span class="line"><span class="comment">// modify 方法，参数格式为 + 或 - 跟上值及单位</span></span><br><span class="line"><span class="keyword">echo</span> Carbon::now()->modify(<span class="string">'+15 days'</span>); <span class="comment">// 2017-04-25 12:26:02</span></span><br><span class="line"><span class="keyword">echo</span> Carbon::now()->modify(<span class="string">'-2 days'</span>); <span class="comment">// 2017-04-08 12:26:02</span></span><br><span class="line"><span class="keyword">echo</span> Carbon::now()->modify(<span class="string">'-2 day'</span>); <span class="comment">// 2017-04-08 12:28:31</span></span><br><span class="line"><span class="keyword">echo</span> Carbon::now()->modify(<span class="string">'-2 weekday'</span>); <span class="comment">// 2017-04-06 00:00:00</span></span><br><span class="line"><span class="keyword">echo</span> Carbon::now()->modify(<span class="string">'-2 month'</span>); <span class="comment">// 2017-02-10 12:29:36</span></span><br><span class="line"><span class="keyword">echo</span> Carbon::now()->modify(<span class="string">'-2 year'</span>); <span class="comment">// 2015-04-10 12:31:13</span></span><br><span class="line"><span class="keyword">echo</span> Carbon::now()->modify(<span class="string">'-2 week'</span>); <span class="comment">// 2017-03-27 12:31:13</span></span><br><span class="line"><span class="keyword">echo</span> Carbon::now()->modify(<span class="string">'-2 hour'</span>); <span class="comment">// 2017-04-10 10:31:13</span></span><br><span class="line"><span class="keyword">echo</span> Carbon::now()->modify(<span class="string">'-2 minute'</span>); <span class="comment">// 2017-04-10 12:29:13</span></span><br><span class="line"><span class="keyword">echo</span> Carbon::now()->modify(<span class="string">'-2 second'</span>); <span class="comment">// 2017-04-10 12:31:11</span></span><br><span class="line"></span><br><span class="line"><span class="keyword">echo</span> Carbon::now()->subDays(<span class="number">5</span>)->diffForHumans(); <span class="comment">// 5天前</span></span><br><span class="line"></span><br><span class="line"><span class="keyword">echo</span> Carbon::now()->diffForHumans(Carbon::now()->subYear()); <span class="comment">// 1年后</span></span><br><span class="line"></span><br><span class="line">$dt = Carbon::createFromDate(<span class="number">2017</span>, <span class="number">4</span>, <span class="number">1</span>);</span><br><span class="line"></span><br><span class="line"><span class="keyword">echo</span> $dt->diffForHumans($dt->copy()->addMonth()); <span class="comment">// 1月前</span></span><br><span class="line"><span class="keyword">echo</span> $dt->diffForHumans($dt->copy()->subMonth()); <span class="comment">// 1月后</span></span><br><span class="line"></span><br><span class="line"><span class="keyword">echo</span> Carbon::now()->addSeconds(<span class="number">5</span>)->diffForHumans(); <span class="comment">// 距现在5秒</span></span><br><span class="line"></span><br><span class="line"><span class="keyword">echo</span> Carbon::now()->subDays(<span class="number">24</span>)->diffForHumans(); <span class="comment">// 3周前</span></span><br><span class="line"><span class="keyword">echo</span> Carbon::now()->subDays(<span class="number">24</span>)->diffForHumans(<span class="keyword">null</span>, <span class="keyword">true</span>); <span class="comment">// 3周</span></span><br><span class="line"> </span><br><span class="line">$dt = Carbon::now();</span><br><span class="line"><span class="comment">// 年的差异</span></span><br><span class="line"><span class="keyword">echo</span> $dt->diffInYears($dt->copy()->addYear(<span class="number">2</span>)); <span class="comment">// 2</span></span><br><span class="line"><span class="keyword">echo</span> $dt->diffInMonths(); <span class="comment">// 0</span></span><br><span class="line"><span class="keyword">echo</span> $dt->diffInMinutes(); <span class="comment">// 0</span></span><br></pre></td></tr></table></figure>
<h2 id="学习参考"><a href="#学习参考" class="headerlink" title="学习参考"></a>学习参考</h2><p><a href="http://carbon.nesbot.com/docs/" target="_blank" rel="noopener">官方文档</a><br><a href="http://9iphp.com/web/laravel/php-datetime-package-carbon.html" target="_blank" rel="noopener">Carbon</a></p>
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<div class="post-toc-content"><ol class="nav"><li class="nav-item nav-level-2"><a class="nav-link" href="#安装"><span class="nav-number">1.</span> <span class="nav-text"><a href="#安装" class="headerlink" title="安装"></a>安装</span></a></li><li class="nav-item nav-level-2"><a class="nav-link" href="#本地化"><span class="nav-number">2.</span> <span class="nav-text"><a href="#本地化" class="headerlink" title="本地化"></a>本地化</span></a></li><li class="nav-item nav-level-2"><a class="nav-link" href="#使用"><span class="nav-number">3.</span> <span class="nav-text"><a href="#使用" class="headerlink" title="使用"></a>使用</span></a></li><li class="nav-item nav-level-2"><a class="nav-link" href="#学习参考"><span class="nav-number">4.</span> <span class="nav-text"><a href="#学习参考" class="headerlink" title="学习参考"></a>学习参考</span></a></li></ol></div>
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// Search DB path;
var search_path = "search.xml";
if (search_path.length == 0) {
search_path = "search.xml";
}
var path = "/" + search_path;
// monitor main search box;
function proceedsearch() {
$("body").append('<div class="popoverlay">').css('overflow', 'hidden');
$('.popup').toggle();
}
// search function;
var searchFunc = function(path, search_id, content_id) {
'use strict';
$.ajax({
url: path,
dataType: "xml",
async: true,
success: function( xmlResponse ) {
// get the contents from search data
isfetched = true;
$('.popup').detach().appendTo('.header-inner');
var datas = $( "entry", xmlResponse ).map(function() {
return {
title: $( "title", this ).text(),
content: $("content",this).text(),
url: $( "url" , this).text()
};
}).get();
var $input = document.getElementById(search_id);
var $resultContent = document.getElementById(content_id);
$input.addEventListener('input', function(){
var matchcounts = 0;
var str='<ul class=\"search-result-list\">';
var keywords = this.value.trim().toLowerCase().split(/[\s\-]+/);
$resultContent.innerHTML = "";
if (this.value.trim().length > 1) {
// perform local searching
datas.forEach(function(data) {
var isMatch = true;
var content_index = [];
var data_title = data.title.trim().toLowerCase();
var data_content = data.content.trim().replace(/<[^>]+>/g,"").toLowerCase();
var data_url = data.url;
var index_title = -1;
var index_content = -1;
var first_occur = -1;
// only match artiles with not empty titles and contents
if(data_title != '' && data_content != '') {
keywords.forEach(function(keyword, i) {
index_title = data_title.indexOf(keyword);
index_content = data_content.indexOf(keyword);
if( index_title < 0 && index_content < 0 ){
isMatch = false;
} else {
if (index_content < 0) {
index_content = 0;
}
if (i == 0) {
first_occur = index_content;
}
}
});
}
// show search results
if (isMatch) {
matchcounts += 1;
str += "<li><a href='"+ data_url +"' class='search-result-title'>"+ data_title +"</a>";
var content = data.content.trim().replace(/<[^>]+>/g,"");
if (first_occur >= 0) {
// cut out 100 characters
var start = first_occur - 20;
var end = first_occur + 80;
if(start < 0){
start = 0;
}
if(start == 0){
end = 50;
}
if(end > content.length){
end = content.length;
}
var match_content = content.substring(start, end);
// highlight all keywords
keywords.forEach(function(keyword){
var regS = new RegExp(keyword, "gi");
match_content = match_content.replace(regS, "<b class=\"search-keyword\">"+keyword+"</b>");
});
str += "<p class=\"search-result\">" + match_content +"...</p>"
}
str += "</li>";
}
})};
str += "</ul>";
if (matchcounts == 0) { str = '<div id="no-result"><i class="fa fa-frown-o fa-5x" /></div>' }
if (keywords == "") { str = '<div id="no-result"><i class="fa fa-search fa-5x" /></div>' }
$resultContent.innerHTML = str;
});
proceedsearch();
}
});}
// handle and trigger popup window;
$('.popup-trigger').click(function(e) {
e.stopPropagation();
if (isfetched == false) {
searchFunc(path, 'local-search-input', 'local-search-result');
} else {
proceedsearch();
};
});
$('.popup-btn-close').click(function(e){
$('.popup').hide();
$(".popoverlay").remove();
$('body').css('overflow', '');
});
$('.popup').click(function(e){
e.stopPropagation();
});
</script>
</body>
<!-- 背景动画 -->
<script type="text/javascript" src="http://api.jybx.me/particle.js"></script>
</html>