随机日期代码,PHP代码库,德仔网

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【PHP】随机日期
作者:Dezai.CN / 发布于2011/2/10/ 618
<div><span class="ident">function</span> <span class="ident">relative_date</span><span class="punct">(</span><span class="global">$time</span><span class="punct">)</span> <span class="punct">{</span>
 <span class="global">$today</span> <span class="punct">=</span> <span class="ident">strtotime</span><span class="punct">(</span><span class="ident">date</span><span class="punct">('</span><span class="string">M j, Y</span><span class="punct">'));</span>
 <span class="global">$reldays</span> <span class="punct">=</span> <span class="punct">(</span><span class="global">$time</span> <span class="punct">-</span> <span class="global">$today</span><span class="punct">)/</span><span class="number">86400</span><span class="punct">;</span>
 <span class="keyword">if</span> <span class="punct">(</span><span class="global">$reldays</span> <span class="punct">>=</span> <span class="number">0</span> <span class="punct">&&</span> <span class="global">$reldays</span> <span class="punct"><</span> <span class="number">1</span><span class="punct">)</span> <span class="punct">{</span>
 <span class="keyword">return</span> <span class="punct">'</span><span class="string">today</span><span class="punct">';</span>
 <span class="punct">}</span> <span class="keyword">else</span> <span class="keyword">if</span> <span class="punct">(</span><span class="global">$reldays</span> <span class="punct">>=</span> <span class="number">1</span> <span class="punct">&&</span> <span class="global">$reldays</span> <span class="punct"><</span> <span class="number">2</span><span class="punct">)</span> <span class="punct">{</span>
 <span class="keyword">return</span> <span class="punct">'</span><span class="string">tomorrow</span><span class="punct">';</span>
 <span class="punct">}</span> <span class="keyword">else</span> <span class="keyword">if</span> <span class="punct">(</span><span class="global">$reldays</span> <span class="punct">>=</span> <span class="punct">-</span><span class="number">1</span> <span class="punct">&&</span> <span class="global">$reldays</span> <span class="punct"><</span> <span class="number">0</span><span class="punct">)</span> <span class="punct">{</span>
 <span class="keyword">return</span> <span class="punct">'</span><span class="string">yesterday</span><span class="punct">';</span>
 <span class="punct">}</span>
 <span class="keyword">if</span> <span class="punct">(</span><span class="ident">abs</span><span class="punct">(</span><span class="global">$reldays</span><span class="punct">)</span> <span class="punct"><</span> <span class="number">7</span><span class="punct">)</span> <span class="punct">{</span>
 <span class="keyword">if</span> <span class="punct">(</span><span class="global">$reldays</span> <span class="punct">></span> <span class="number">0</span><span class="punct">)</span> <span class="punct">{</span>
 <span class="global">$reldays</span> <span class="punct">=</span> <span class="ident">floor</span><span class="punct">(</span><span class="global">$reldays</span><span class="punct">);</span>
 <span class="keyword">return</span> <span class="punct">'</span><span class="string">in </span><span class="punct">'</span> <span class="punct">.</span> <span class="global">$reldays</span> <span class="punct">.</span> <span class="punct">'</span><span class="string"> day</span><span class="punct">'</span> <span class="punct">.</span> <span class="punct">(</span><span class="global">$reldays</span> <span class="punct">!=</span> <span class="number">1</span> <span class="punct">?</span> <span class="punct">'</span><span class="string">s</span><span class="punct">'</span> <span class="punct">:</span> <span class="punct">'</span><span class="punct">');</span>
 <span class="punct">}</span> <span class="ident">else</span> <span class="punct">{</span>
 <span class="global">$reldays</span> <span class="punct">=</span> <span class="ident">abs</span><span class="punct">(</span><span class="ident">floor</span><span class="punct">(</span><span class="global">$reldays</span><span class="punct">));</span>
 <span class="keyword">return</span> <span class="global">$reldays</span> <span class="punct">.</span> <span class="punct">'</span><span class="string"> day</span><span class="punct">'</span> <span class="punct">.</span> <span class="punct">(</span><span class="global">$reldays</span> <span class="punct">!=</span> <span class="number">1</span> <span class="punct">?</span> <span class="punct">'</span><span class="string">s</span><span class="punct">'</span> <span class="punct">:</span> <span class="punct">'</span><span class="punct">')</span> <span class="punct">.</span> <span class="punct">'</span><span class="string"> ago</span><span class="punct">';</span>
 <span class="punct">}</span>
 <span class="punct">}</span>
 <span class="ident">if</span> <span class="punct">(</span><span class="ident">abs</span><span class="punct">(</span><span class="global">$reldays</span><span class="punct">)</span> <span class="punct"><</span> <span class="number">182</span><span class="punct">)</span> <span class="punct">{</span>
 <span class="keyword">return</span> <span class="ident">date</span><span class="punct">('</span><span class="string">l, F j</span><span class="punct">',</span><span class="global">$time</span> <span class="punct">?</span> <span class="global">$time</span> <span class="punct">:</span> <span class="ident">time</span><span class="punct">());</span>
 <span class="punct">}</span> <span class="keyword">else</span> <span class="punct">{</span>
 <span class="keyword">return</span> <span class="ident">date</span><span class="punct">('</span><span class="string">l, F j, Y</span><span class="punct">',</span><span class="global">$time</span> <span class="punct">?</span> <span class="global">$time</span> <span class="punct">:</span> <span class="ident">time</span><span class="punct">());</span>
 <span class="punct">}</span>
<span class="punct">}</span>
</div>
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