短网址代码,PHP代码库,德仔网

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【PHP】短网址
作者:Dezai.CN / 发布于2011/6/11/ 602
<div><span style="color: rgb(0,0,0); font-weight: bold"><?php</span>
<span style="color: rgb(0,0,0); font-weight: bold">function</span> shorturl<span style="color: rgb(102,204,102)">(</span><span style="color: rgb(0,0,255)">$url</span><span style="color: rgb(102,204,102)">)</span><span style="color: rgb(102,204,102)">{</span>
<span style="color: rgb(0,0,255)">$length</span> = <a href="http://www.php.net/strlen" target="_blank"><span style="color: rgb(0,0,102)">strlen</span></a><span style="color: rgb(102,204,102)">(</span><span style="color: rgb(0,0,255)">$url</span><span style="color: rgb(102,204,102)">)</span>;
<span style="color: rgb(177,177,0)">if</span><span style="color: rgb(102,204,102)">(</span><span style="color: rgb(0,0,255)">$length</span> > <span style="color: rgb(204,102,204)">45</span><span style="color: rgb(102,204,102)">)</span><span style="color: rgb(102,204,102)">{</span>
<span style="color: rgb(0,0,255)">$length</span> = <span style="color: rgb(0,0,255)">$length</span> - <span style="color: rgb(204,102,204)">30</span>;
<span style="color: rgb(0,0,255)">$first</span> = <a href="http://www.php.net/substr" target="_blank"><span style="color: rgb(0,0,102)">substr</span></a><span style="color: rgb(102,204,102)">(</span><span style="color: rgb(0,0,255)">$url</span>, <span style="color: rgb(204,102,204)">0</span>, -<span style="color: rgb(0,0,255)">$length</span><span style="color: rgb(102,204,102)">)</span>;
<span style="color: rgb(0,0,255)">$last</span> = <a href="http://www.php.net/substr" target="_blank"><span style="color: rgb(0,0,102)">substr</span></a><span style="color: rgb(102,204,102)">(</span><span style="color: rgb(0,0,255)">$url</span>, <span style="color: rgb(204,102,204)">-15</span><span style="color: rgb(102,204,102)">)</span>;
<span style="color: rgb(0,0,255)">$new</span> = <span style="color: rgb(0,0,255)">$first</span>.<span style="color: rgb(255,0,0)">"[ ... ]"</span>.<span style="color: rgb(0,0,255)">$last</span>;
<span style="color: rgb(177,177,0)">return</span> <span style="color: rgb(0,0,255)">$new</span>;
<span style="color: rgb(102,204,102)">}</span><span style="color: rgb(177,177,0)">else</span><span style="color: rgb(102,204,102)">{</span>
<span style="color: rgb(177,177,0)">return</span> <span style="color: rgb(0,0,255)">$url</span>;
<span style="color: rgb(102,204,102)">}</span>
<span style="color: rgb(102,204,102)">}</span>
<span style="color: rgb(0,0,0); font-weight: bold">?></span>


<span style="font-style: italic; color: rgb(128,128,128)">// USAGE</span>

<span style="color: rgb(0,0,0); font-weight: bold"><?php</span>

<span style="color: rgb(0,0,255)">$longurl</span>= <span style="color: rgb(255,0,0)">"http://www.google.com/search?q=symfony+project&ie=utf-8&oe=utf-8&aq=t&rls=org.mozilla:tr:official&client=firefox-a"</span>;
<span style="color: rgb(0,0,255)">$shorturl</span> = shorturl<span style="color: rgb(102,204,102)">(</span><span style="color: rgb(0,0,255)">$longurl</span><span style="color: rgb(102,204,102)">)</span>;
<a href="http://www.php.net/echo" target="_blank"><span style="color: rgb(0,0,102)">echo</span></a> <span style="color: rgb(255,0,0)">"<a href=<span style="color: rgb(0,0,153); font-weight: bold">\"</span>$longurl<span style="color: rgb(0,0,153); font-weight: bold">\"</span>>$shorturl</a>"</span>;


<span style="color: rgb(0,0,0); font-weight: bold">?></span>
</div>
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