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PHPÈ¡¶þ½øÖÆÎļþÍ·¿ìËÙÅжÏÎļþÀàÐÍ


<?php
$filename
=
"
D:
\\
296.mid
"
;
$file
     =
fopen
(
$filename
,
"
rb
"
)
;
$bin
      =
fread
(
$file
,
2
)
;
//Ö»¶Á2×Ö½Ú
fclose
(
$file
)
;
$strInfo
  = @
unpack
(
"
c2chars
"
,
$bin
)
;
$typeCode
=
intval
(
$strInfo
[
'
chars1
'
]
.
$strInfo
[
'
chars2
'
])
;
$fileType
=
''
;
switch

(
$typeCode
)

{
    
case

7790
:
        
$fileType
=
'
exe
'
;
        
break
;
    
case

7784
:
        
$fileType
=
'
midi
'
;
        
break
;
    
case

8297
:
        
$fileType
=
'
rar
'
;
        
break
;
    
case

255216
:
        
$fileType
=
'
jpg
'
;
        
break
;
    
case

7173
:
        
$fileType
=
'
gif
'
;
        
break
;
    
case

6677
:
        
$fileType
=
'
bmp
'
;
        
break
;
    
case

13780
:
        
$fileType
=
'
png
'
;
        
break
;
    
default
:
        
echo

'
unknown
'
;
}
echo

'
this is a(an)
'
.
$fileType
.
'
file:
'
.
$typeCode
;


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40 Tips for optimizing your php Code
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PHP MKTIME

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<?php
echo date( "l dS 0f F Y h£ºi£ºs A" );
echo "<br>";
print("July 1, 2010 is on a " . date("l", mktime(0,0,0,7,11,2010)));
?>
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Nginx + PHP£¨FastCGI£©¡±Web·þÎñÆ÷

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