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【PHP】寻找文件
作者:Dezai.CN / 发布于2011/6/11/ 410
<div><span style="color: rgb(0,0,0); font-weight: bold">function</span> file_search<span style="color: rgb(102,204,102)">(</span><span style="color: rgb(0,0,255)">$directory</span>, <span style="color: rgb(0,0,255)">$search</span>, <span style="color: rgb(0,0,255)">$recursive</span> = <span style="color: rgb(0,0,0); font-weight: bold">TRUE</span><span style="color: rgb(102,204,102)">)</span>
<span style="color: rgb(102,204,102)">{</span>
<span style="color: rgb(0,0,255)">$res</span> = <span style="color: rgb(0,0,0); font-weight: bold">FALSE</span>;

<span style="color: rgb(0,0,255)">$dir_handle</span> = <a href="http://www.php.net/opendir" target="_blank"><span style="color: rgb(0,0,102)">opendir</span></a><span style="color: rgb(102,204,102)">(</span><span style="color: rgb(0,0,255)">$directory</span><span style="color: rgb(102,204,102)">)</span>;

<span style="color: rgb(177,177,0)">while</span><span style="color: rgb(102,204,102)">(</span> <span style="color: rgb(0,0,0); font-weight: bold">FALSE</span> !== <span style="color: rgb(102,204,102)">(</span><span style="color: rgb(0,0,255)">$file</span> = <a href="http://www.php.net/readdir" target="_blank"><span style="color: rgb(0,0,102)">readdir</span></a><span style="color: rgb(102,204,102)">(</span><span style="color: rgb(0,0,255)">$dir_handle</span><span style="color: rgb(102,204,102)">)</span><span style="color: rgb(102,204,102)">)</span> <span style="color: rgb(102,204,102)">)</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)">$file</span> == <span style="color: rgb(255,0,0)">'.'</span> || <span style="color: rgb(0,0,255)">$file</span> == <span style="color: rgb(255,0,0)">'..'</span> <span style="color: rgb(102,204,102)">)</span>
<span style="color: rgb(102,204,102)">{</span>
<span style="color: rgb(177,177,0)">continue</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> <a href="http://www.php.net/is_dir" target="_blank"><span style="color: rgb(0,0,102)">is_dir</span></a><span style="color: rgb(102,204,102)">(</span><span style="color: rgb(255,0,0)">"$directory<span style="color: rgb(0,0,153); font-weight: bold">\\</span>$file"</span><span style="color: rgb(102,204,102)">)</span> <span style="color: rgb(102,204,102)">)</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)">$recursive</span> <span style="color: rgb(102,204,102)">)</span>
<span style="color: rgb(102,204,102)">{</span>
<span style="color: rgb(0,0,255)">$res</span> = file_search<span style="color: rgb(102,204,102)">(</span><span style="color: rgb(255,0,0)">"$directory<span style="color: rgb(0,0,153); font-weight: bold">\\</span>$file"</span>, <span style="color: rgb(0,0,255)">$search</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)">$res</span> !== <span style="color: rgb(0,0,0); font-weight: bold">FALSE</span> <span style="color: rgb(102,204,102)">)</span>
<span style="color: rgb(102,204,102)">{</span>
<span style="color: rgb(177,177,0)">return</span> <span style="color: rgb(0,0,255)">$res</span>;
<span style="color: rgb(102,204,102)">}</span>
<span style="color: rgb(102,204,102)">}</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)">$file</span> == <span style="color: rgb(0,0,255)">$search</span> <span style="color: rgb(102,204,102)">)</span>
<span style="color: rgb(102,204,102)">{</span>
<span style="color: rgb(177,177,0)">return</span> <span style="color: rgb(255,0,0)">"$directory<span style="color: rgb(0,0,153); font-weight: bold">\\</span>$file"</span>;
<span style="color: rgb(102,204,102)">}</span>
<span style="color: rgb(102,204,102)">}</span>

<span style="color: rgb(177,177,0)">return</span> <span style="color: rgb(0,0,0); font-weight: bold">FALSE</span>;
<span style="color: rgb(102,204,102)">}</span>
</div>
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