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请教下PHP如何样才可以确认是否支持filetype呢

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Release: 2016-06-13 11:37:33
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请问下PHP怎么样才可以确认是否支持filetype呢


按道理说这个地方的filetype应该颜色不一样才对,但是这里不知道为什么颜色还是黑色呢,我不知道哪里写错了,贴上代码

<meta http-equiv="content-type" content="text/html"; charset=utf-8><br /><?php<br /><br />	<br />	$num=0;<br />	$dirname='function';<br />	$dir_handle=opendir($dirnmae);<br />	//循环出所有的文件<br /><br />	echo '<table border=1 align="center" width="1000" cellspacing="0" cellpadding="0">';<br />	echo '<caption><h2>目录'.$dirname.'下面的内容</h2></caption>';<br />	echo '<tr align="left" bgcolor="#CCCCCC">';<br />	echo '<th>文件名</th><th>文件大小</th><th>文件类型</th><th>修改时间</th>';<br />	<br />	while($file=readdir($dir_handle)){<br />		$dirfile=$dirname.'/'.$file;<br />		$bgcolor=$num++%2==0 ? '#FFFFFF' : '$CCCCCC';<br />		echo '<tr bgcolor='.$bgcolor.'>';<br />		echo '<td>'.$file.'</td>';<br />		echo '<td>'.filesize($dirfile).'</td>'; <br />		echo '<td>'.filetype($dirfile).'</td>';<br />		echo '<td>'.date('Y/n/t',filetime($dirfile)).'</td>';<br />		echo '</tr>';<br />	}<br />	echo '</table>';<br />	closedir($dir_handle);<br />	echo '在<b>'.$dirname.'</b>目录下的子目录和文件共有<b>'.$num.'</b>个';
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