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【PHP】获取文件夹大小信息
作者:Dezai.CN / 发布于2011/6/11/ 482
<div>
<div style="font-family: monospace" class="php"><span style="color: rgb(0,0,0); font-weight: bold"><?php</span>

<span style="color: rgb(0,0,0); font-weight: bold">function</span> dirsize<span style="color: rgb(102,204,102)">(</span><span style="color: rgb(0,0,255)">$folder</span><span style="color: rgb(102,204,102)">)</span>
<span style="color: rgb(102,204,102)">{</span>
<span style="color: rgb(177,177,0)">if</span><span style="color: rgb(102,204,102)">(</span> !<a href="http://www.php.net/is_dir" target="_blank"><span style="color: rgb(0,0,102)">is_dir</span></a><span style="color: rgb(102,204,102)">(</span><span style="color: rgb(0,0,255)">$folder</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(204,102,204)">-1</span>; <span style="color: rgb(177,177,0)">endif</span>;

<span style="color: rgb(0,0,255)">$handle</span> = <a href="http://www.php.net/opendir" target="_blank"><span style="color: rgb(0,0,102)">opendir</span></a><span style="color: rgb(102,204,102)">(</span><span style="color: rgb(0,0,255)">$folder</span><span style="color: rgb(102,204,102)">)</span>; <span style="color: rgb(0,0,255)">$dirsize</span> = <span style="color: rgb(204,102,204)">0</span>;
<span style="color: rgb(0,0,255)">$folder</span> = <a href="http://www.php.net/preg_replace" target="_blank"><span style="color: rgb(0,0,102)">preg_replace</span></a><span style="color: rgb(102,204,102)">(</span><span style="color: rgb(255,0,0)">'/(<span style="color: rgb(0,0,153); font-weight: bold">\/</span>|<span style="color: rgb(0,0,153); font-weight: bold">\\</span><span style="color: rgb(0,0,153); font-weight: bold">\\</span>)+$/'</span>, <span style="color: rgb(255,0,0)">''</span>, <span style="color: rgb(0,0,255)">$folder</span><span style="color: rgb(102,204,102)">)</span>.<span style="color: rgb(255,0,0)">'/'</span>;

<span style="color: rgb(177,177,0)">while</span><span style="color: rgb(102,204,102)">(</span><span style="color: rgb(102,204,102)">(</span><span style="color: rgb(0,0,255)">$currentItem</span> = <a href="http://www.php.net/readdir" target="_blank"><span style="color: rgb(0,0,102)">readdir</span></a><span style="color: rgb(102,204,102)">(</span><span style="color: rgb(0,0,255)">$handle</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">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)">if</span><span style="color: rgb(102,204,102)">(</span><span style="color: rgb(102,204,102)">(</span> <span style="color: rgb(0,0,255)">$currentItem</span> != <span style="color: rgb(255,0,0)">'.'</span> <span style="color: rgb(102,204,102)">)</span> && <span style="color: rgb(102,204,102)">(</span> <span style="color: rgb(0,0,255)">$currentItem</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(102,204,102)">{</span>
<span style="color: rgb(0,0,255)">$function</span> = <a href="http://www.php.net/is_dir" target="_blank"><span style="color: rgb(0,0,102)">is_dir</span></a><span style="color: rgb(102,204,102)">(</span><span style="color: rgb(0,0,255)">$folder</span>.<span style="color: rgb(0,0,255)">$currentItem</span><span style="color: rgb(102,204,102)">)</span> ? <span style="color: rgb(255,0,0)">'dirsize'</span> : <span style="color: rgb(255,0,0)">'filesize'</span>;
<span style="color: rgb(0,0,255)">$dirsize</span> += <a href="http://www.php.net/call_user_func" target="_blank"><span style="color: rgb(0,0,102)">call_user_func</span></a><span style="color: rgb(102,204,102)">(</span><span style="color: rgb(0,0,255)">$function</span>, <span style="color: rgb(0,0,255)">$folder</span>.<span style="color: rgb(0,0,255)">$currentItem</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)">return</span> <span style="color: rgb(0,0,255)">$dirsize</span>;
<span style="color: rgb(102,204,102)">}</span>

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

</div>
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