Chapter 9. Function

Function

 

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                 function1.gif (6326 bytes)

Basic Function

ÃٻẺ Functon

Input => Function => Output

<?

Function function name ( ) { §Ò¹·Õèµéͧ¡Òà ;}

?>

µÑÇÍÂèÒ§ Function

<HTML>
<HEAD><TITLE>µÑÇÍÂèÒ§ Function</TITLE></HEAD>
<BODY>

<?

Function Myfunction ( ) { print "Hi hello ...<br>" ;}

Myfunction ( );
Myfunction ( );
Myfunction ( );

?>

</BODY>
</HTML>

¼ÅÅѾ¸ì·Õèä´é

Hi hello...
Hi hello...
Hi hello...

   ¨Ò¡¢éÒ§µé¹à»ç¹¡ÒáÓ˹´ Function ¢Öé¹ÁÒàͧ à¾×èͤÇÒÁÊдǡ PHP ä´éÁÕ Function ÊÓàÃç¨ÃÙ»ÁÒãËéàÃÒáÅéÇ Function ·ÕèÊӤѭä´éá¡è

Function date

ÃٻẺ Function date

<?

$today=date("Y-M-d");

?>

Description Function date

a - "am" or "pm"
A - "AM" or "PM"
d - day of the month, 2 digits with leading zeros; i.e. "01" to "31"
D - day of the week, textual, 3 letters; i.e. "Fri"
F - month, textual, long; i.e. "January"
h - hour, 12-hour format; i.e. "01" to "12"
H - hour, 24-hour format; i.e. "00" to "23"
g - hour, 12-hour format without leading zeros; i.e. "1" to "12"
G - hour, 24-hour format without leading zeros; i.e. "0" to "23"
i - minutes; i.e. "00" to "59"
j - day of the month without leading zeros; i.e. "1" to "31"
l (lowercase ’L’) - day of the week, textual, long; i.e. "Friday"
L - boolean for whether it is a leap year; i.e. "0" or "1"
m - month; i.e. "01" to "12"
n - month without leading zeros; i.e. "1" to "12"
M - month, textual, 3 letters; i.e. "Jan"
s - seconds; i.e. "00" to "59"
S - English ordinal suffix, textual, 2 characters; i.e. "th", "nd"
t - number of days in the given month; i.e. "28" to "31"
U - seconds since the epoch
w - day of the week, numeric, i.e. "0" (Sunday) to "6" (Saturday)
Y - year, 4 digits; i.e. "1999"
y - year, 2 digits; i.e. "99"
z - day of the year; i.e. "0" to "365"
Z - timezone offset in seconds (i.e. "-43200" to "43200")

µÑÇÍÂèÒ§ Function date

<HTML>
<HEAD><TITLE>µÑÇÍÂèÒ§¡Òà Function date</TITLE></HEAD>
<BODY>

<?

$today1=date("Y-M-d");
$today2=date("Y-m-D");
$today3=date("y-M-D");

print "$today1 <br>";
print "$today2 <br>";
print "$today3 <br>";

?>

</BODY>
</HTML>

¼ÅÅѾ¸ì·Õèä´é


2000-Apr-17
2000-04-Mon
00-Apr-Mon

 


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