case
255216:
$file_type
= 'jpg';
break
;
case
7173:
$file_type
= 'gif';
break
;
case
6677:
$file_type
= 'bmp';
break
;
case
13780:
$file_type
= 'png';
break
;
default
:
$file_type
= 'unknown';
break
;
}
echo
$file
, ' type: <b>',
$file_type
, '</b> code:<b>',
$type_code
, '</b><br />';
}
本例输出结果
c:\1.jpg type: jpg code:255216
c:\1.png type: png code:13780
c:\1.gif type: gif code:7173
c:\1.rar type: rar code:8297
c:\1.zip type: zip code:8075
c:\1.exe type: exe code:7790