PHP中可以显示文件的各种属性，这些属性包括文件的最后访问时间、最后修改时间、文件大小等。
/**
* PHP获得文件大小和文件创建时间
*
* @param
* @arrange 512-笔记网： www.jb51.cc
**/
print "The size of the file is ";
print filesize( "samplefile.doc" );
print "<br>";
$atime = fileatime( "samplefile.doc" );
print "This file accessed on ";
print date("l,M d,Y g:i a",$atime);
print "<br>";
$mtime = filemtime( "samplefile.doc" );
print "This file was modified on ";
print date("l,$mtime);
print "<br>";
$ctime = filectime( "samplefile.doc" );
print "This file was changed on ";
print date("l,$ctime);
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