php获得文件大小和文件创建时间

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。

6. print "The size of the file is ";
7. print filesize( "samplefile.doc" );
8. print "
   ";
9. $atime = fileatime( "samplefile.doc" );
10. print "This file accessed on ";
11. print date("l, M d, Y g:i a", $atime);
12. print "
    ";
13. $mtime = filemtime( "samplefile.doc" );
14. print "This file was modified on ";
15. print date("l, M d, Y g:i a", $mtime);
16. print "
    ";
17. $ctime = filectime( "samplefile.doc" );
18. print "This file was changed on ";
19. print date("l, M d, Y g:i a", $ctime);
20. ?>