PHP simple shuffling algorithm_PHP tutorial

<p>Source: http://phpman.cn/?p=37 <br>​ <strong>Tag: </strong> <None> ​ </p> <h2> Code snippet<em>(1)</em> </h2> <h3> <i>[Code]</i> [PHP]Code</h3> view source <embed allowscriptaccess="always" flashvars="highlighterId=highlighter_372062" height="16" id="highlighter_372062_clipboard" menu="false" src="http://www.oschina.net/js/syntax-highlighter-2.1.382/scripts/clipboard.swf" title="copy to clipboard" type="application/x-shockwave-flash" width="16" wmode="transparent"></embed> print? <tbody> <code>01</code> <code class="plain"><?php</code> </tbody> <tbody> <code>02</code> <code class="comments">/**</code> </tbody> <tbody> <code>03</code> <code class="spaces"> </code><code class="comments">* @author phpman.cn</code> </tbody> <tbody> <code>04</code> <code class="spaces"> </code><code class="comments">* @date 2012/12/04</code> </tbody> <tbody> <code>05</code> <code class="spaces"> </code><code class="comments">* @todo 简单洗牌算法</code> </tbody> <tbody> <code>06</code> <code class="spaces"> </code><code class="comments">*/</code> </tbody> <tbody> <code>07</code> ​ </tbody> <tbody> <code>08</code> <code class="variable">$card_num</code><code class="plain">=54; </code><code class="comments">//牌数</code> </tbody> <tbody> <code>09</code> <code class="plain">print_r(wash_card(</code><code class="variable">$card_num</code><code class="plain">));</code> </tbody> <tbody> <code>10</code> ​ </tbody> <tbody> <code>11</code> <code class="keyword">function</code> <code class="plain">wash_card(</code><code class="variable">$card_num</code><code class="plain">)</code> </tbody> <tbody> <code>12</code> <code class="plain">{</code> </tbody> <tbody> <code>13</code> <code class="spaces"> </code><code class="variable">$cards</code><code class="plain">=</code><code class="variable">$tmp</code><code class="plain">=</code><code class="keyword">array</code><code class="plain">();</code> </tbody> <tbody> <code>14</code> <code class="spaces"> </code><code class="keyword">for</code><code class="plain">(</code><code class="variable">$i</code><code class="plain">=0;</code><code class="variable">$i</code><code class="plain"><</code><code class="variable">$card_num</code><code class="plain">;</code><code class="variable">$i</code><code class="plain">++){</code> </tbody> <tbody> <code>15</code> <code class="spaces"> </code><code class="variable">$tmp</code><code class="plain">[</code><code class="variable">$i</code><code class="plain">]=</code><code class="variable">$i</code><code class="plain">;</code> </tbody> <tbody> <code>16</code> <code class="spaces"> </code><code class="plain">}</code> </tbody> <tbody> <code>17<code>17</code>   </tbody> <tbody> <code>18<code>18</code> <code class="spaces">    <code class="spaces"> </code><code class="keyword">for<code class="keyword">for</code><code class="plain">(<code class="plain">(</code><code class="variable">$i<code class="variable">$i</code><code class="plain">=0;<code class="plain">=0;</code><code class="variable">$i<code class="variable">$i</code><code class="plain"><<code class="plain"><</code><code class="variable">$card_num<code class="variable">$card_num</code><code class="plain">;<code class="plain">;</code><code class="variable">$i<code class="variable">$i</code><code class="plain">++){<code class="plain">++){</code> </tbody> <tbody> <code>19<code>19</code> <code class="spaces">        <code class="spaces"> </code><code class="variable">$index<code class="variable">$index</code><code class="plain">=rand(0,<code class="plain">=rand(0,</code><code class="variable">$card_num<code class="variable">$card_num</code><code class="plain">-<code class="plain">-</code><code class="variable">$i<code class="variable">$i</code><code class="plain">-1);<code class="plain">-1);</code> </tbody> <tbody> <code>20<code>20</code> <code class="spaces">        <code class="spaces"> </code><code class="variable">$cards<code class="variable">$cards</code><code class="plain">[<code class="plain">[</code><code class="variable">$i<code class="variable">$i</code><code class="plain">]=<code class="plain">]=</code><code class="variable">$tmp<code class="variable">$tmp</code><code class="plain">[<code class="plain">[</code><code class="variable">$index<code class="variable">$index</code><code class="plain">];<code class="plain">];</code> </tbody> <tbody> <code>21<code>21</code> <code class="spaces">        <code class="spaces"> </code><code class="plain">unset(<code class="plain">unset(</code><code class="variable">$tmp<code class="variable">$tmp</code><code class="plain">[<code class="plain">[</code><code class="variable">$index<code class="variable">$index</code><code class="plain">]);<code class="plain">]);</code> </tbody> <tbody> <code>22<code>22</code> <code class="spaces">        <code class="spaces"> </code><code class="variable">$tmp<code class="variable">$tmp</code><code class="plain">=<code class="plain">=</code><code class="functions">array_values<code class="functions">array_values</code><code class="plain">(<code class="plain">(</code><code class="variable">$tmp<code class="variable">$tmp</code><code class="plain">);<code class="plain">);</code> </tbody> <tbody> <code>23<code>23</code> <code class="spaces">    <code class="spaces"> </code><code class="plain">}<code class="plain">}</code> </tbody> <tbody> <code>24<code>24</code> <code class="spaces">    <code class="spaces"> </code><code class="keyword">return<code class="keyword">return</code> <code class="variable">$cards<code class="variable">$cards</code><code class="plain">;<code class="plain">;</code> </tbody> <tbody> <code>25<code>25</code> <code class="plain">}<code class="plain">}</code> </tbody> <tbody> <code>26<code>26</code> <code class="plain">?><code class="plain">?></code> </code> </tbody> <br> <p align="left"></p> <div style="display:none;"> <span id="url" itemprop="url">http://www.bkjia.com/PHPjc/735158.html</span><span id="indexUrl" itemprop="indexUrl">www.bkjia.com</span><span id="isOriginal" itemprop="isOriginal">true</span><span id="isBasedOnUrl" itemprop="isBasedOnUrl">http://www.bkjia.com/PHPjc/735158.html</span><span id="genre" itemprop="genre">TechArticle</span><span id="description" itemprop="description">来源:http://phpman.cn/?p=37 标签： 无 代码片段 (1) [代码] [PHP]代码 view source print? 01 ?php 02 /** 03 * @author phpman.cn 04 * @date 2012/12/04 05 * @todo 简单洗牌...</span> </div> <div class="art_confoot"></div>