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¡¡¡¡2.sessionÓëcookieµÄÇø±ð?
¡¡¡¡´ð£ºcookie»úÖÆ²ÉÓõÄÊÇÔÚ¿Í»§¶Ë±£³Ö״̬µÄ·½°¸£¬¶øsession»úÖÆ²ÉÓõÄÊÇÔÚ·þÎñÆ÷¶Ë±£³Ö״̬µÄ·½°¸¡£
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¡¡¡¡´ð£ºÊÂÎñ¾ÍÊÇһϵÁеIJÙ×÷,ÕâЩ²Ù×÷Íê³ÉÒ»ÏîÈÎÎñ¡£Ö»ÒªÕâЩ²Ù×÷ÀïÓÐÒ»¸ö²Ù×÷ûÓгɹ¦,ÊÂÎñ¾Í²Ù×÷ʧ°Ü,·¢Éú»Ø¹öʼþ¡£¼´³·ÏûÇ°ÃæµÄ²Ù×÷,ÕâÑù¿ÉÒÔ±£Ö¤Êý¾ÝµÄÒ»ÖÂÐÔ¡£¶øÇÒ¿ÉÒ԰ѲÙ×÷ÔÝʱ·ÅÔÚ»º´æÀï,µÈËùÓвÙ×÷¶¼³É¹¦ÓÐÌá½»Êý¾Ý¿â,ÕâÑù±£Ö¤·ÑʱµÄ²Ù×÷¶¼ÊÇÓÐЧ²Ù×÷¡£
¡¡¡¡¼òÊöÌâ(50·Ö)
¡¡¡¡1¡¢ÓÃPHP´òÓ¡³öǰһÌìµÄʱ¼ä¸ñʽÊÇ2006-5-10 22:21:21(2·Ö)
¡¡¡¡2¡¢echo(),print(),print_r()µÄÇø±ð(3·Ö)
¡¡¡¡3¡¢Äܹ»Ê¹HTMLºÍPHP·ÖÀ뿪ʹÓõÄÄ£°å(1·Ö)
¡¡¡¡5¡¢Ê¹ÓÃÄÄЩ¹¤¾ß½øÐа汾¿ØÖÆ?(1·Ö ......

phpÃæÊÔÌâÄ¿(ÒÑ×¢´ð°¸)


¼òÊöÌâ(50·Ö)()
1¡¢ÓÃPHP´òÓ¡³öǰһÌìµÄʱ¼ä¸ñʽÊÇ2006-5-10 22:21:21(2·Ö)
echo date('Y-m-d H:i:s', strtotime('-1 day'));
»òÕß
$yesterday = time() - (24 * 60 * 60);
echo 'today:'.date('Y-m-d H:i:s')."\n";
echo 'yesterday:'. date('Y-m-d H:i:s', $yesterday)."\n";
2¡¢echo(),print(),print_r()µÄÇø±ð(3·Ö)
echoÊÇPHPÓï¾ä, printºÍprint_rÊǺ¯Êý,Óï¾äûÓзµ»ØÖµ,º¯Êý¿ÉÒÔÓзµ»ØÖµ(¼´±ãûÓÐÓÃ)
printÖ»ÄÜ´òÓ¡³ö¼òµ¥ÀàÐͱäÁ¿µÄÖµ(Èçint,string)
print_r¿ÉÒÔ´òÓ¡³ö¸´ÔÓÀàÐͱäÁ¿µÄÖµ(ÈçÊý×é,¶ÔÏó)
echo -- Êä³öÒ»¸ö»òÕß¶à¸ö×Ö·û´®
3¡¢Äܹ»Ê¹HTMLºÍPHP·ÖÀ뿪ʹÓõÄÄ£°å(1·Ö)
smarty£¬Heyes Template ClassµÈ
5¡¢Ê¹ÓÃÄÄЩ¹¤¾ß½øÐа汾¿ØÖÆ£¿(1·Ö)
CVSºÍSVN,SVNºÅ³ÆÏÂÒ»´úCVS,¹¦ÄÜÇ¿´ó,²»¹ýCVSÊÇÀÏÅÆ,ÊÐÕ¼Âʺܸß.ÎÒÒ»Ö±ÓÃSVN,ÌâÄ¿ÊÇÎÊÓÃʲô¹¤¾ßßÀ,Õâ¸ö¿ÉÄÜÐèÒªÕâô»Ø
´ð:CVS Server on Apache×÷·þÎñ¶Ë,WinCVS×÷¿Í»§¶Ë;Subversion on Apache/DAV
×ö·þÎñ¶Ë,TortoiseSVN×ö¿Í»§¶Ë,»òÕßSubclipse×ö¿Í»§¶Ë.
6¡¢ÈçºÎʵÏÖ×Ö·û´®·­×ª£¿(3·Ö)
strrev()
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$str = "abcdefg";
function strrevv($str)
{
$len=strle ......

mysql+php select ÏÂÀ­ÁбíÊ÷µÄ¼òµ¥ÊµÏÖ


Êý¾Ý¿âÉè¼Æ£º
--
-- Êý¾Ý¿â: `test`
--
-- --------------------------------------------------------
--
-- ±íµÄ½á¹¹ `menu`
--
CREATE TABLE IF NOT EXISTS `menu` (
`ID` int(10) unsigned NOT NULL auto_increment,
`PID` int(11) NOT NULL,
`TITLE` varchar(200) NOT NULL,
`REMARK` varchar(200) NOT NULL,
PRIMARY KEY (`ID`)
) ENGINE=MyISAM DEFAULT CHARSET=utf8 AUTO_INCREMENT=9 ;
--
-- µ¼³ö±íÖеÄÊý¾Ý `menu`
--
INSERT INTO `menu` (`ID`, `PID`, `TITLE`, `REMARK`) VALUES
(1, 0, '¹«Ë¾', '¸ù'),
(2, 1, '²ÆÎñ²¿', '²¿ÃÅ'),
(3, 1, 'ÏúÊÛ²¿', '²¿ÃÅ'),
(4, 1, 'ÈËʲ¿', ''),
(5, 2, '»á¼Æ', ''),
(6, 3, 'ÒµÎñÔ±', ''),
(7, 4, 'ÈËÊÂ×ܹÜ', '');
--------------------------------------------------------
PHP´úÂ룺
--------------------------------------------------------
<?php
include "config.php";
include "mysql.php";
$db = new Mysql('test'); //¼¸¸ö¼òµ¥µÄÀ࣬²»ÓÃÁгöÀ´´ó¼ÒÒ²¿´µÃ¶®¡£¾ÍÊÇʵÀý»¯Ò»¸öÊý¾Ý¿âÁ¬½Ó¶øÒÑ¡£
function RootMenu ($PID,$n){
global $arr,$db;
$sql = "select * from menu ......

mysql+php select ÏÂÀ­ÁбíÊ÷µÄ¼òµ¥ÊµÏÖ


Êý¾Ý¿âÉè¼Æ£º
--
-- Êý¾Ý¿â: `test`
--
-- --------------------------------------------------------
--
-- ±íµÄ½á¹¹ `menu`
--
CREATE TABLE IF NOT EXISTS `menu` (
`ID` int(10) unsigned NOT NULL auto_increment,
`PID` int(11) NOT NULL,
`TITLE` varchar(200) NOT NULL,
`REMARK` varchar(200) NOT NULL,
PRIMARY KEY (`ID`)
) ENGINE=MyISAM DEFAULT CHARSET=utf8 AUTO_INCREMENT=9 ;
--
-- µ¼³ö±íÖеÄÊý¾Ý `menu`
--
INSERT INTO `menu` (`ID`, `PID`, `TITLE`, `REMARK`) VALUES
(1, 0, '¹«Ë¾', '¸ù'),
(2, 1, '²ÆÎñ²¿', '²¿ÃÅ'),
(3, 1, 'ÏúÊÛ²¿', '²¿ÃÅ'),
(4, 1, 'ÈËʲ¿', ''),
(5, 2, '»á¼Æ', ''),
(6, 3, 'ÒµÎñÔ±', ''),
(7, 4, 'ÈËÊÂ×ܹÜ', '');
--------------------------------------------------------
PHP´úÂ룺
--------------------------------------------------------
<?php
include "config.php";
include "mysql.php";
$db = new Mysql('test'); //¼¸¸ö¼òµ¥µÄÀ࣬²»ÓÃÁгöÀ´´ó¼ÒÒ²¿´µÃ¶®¡£¾ÍÊÇʵÀý»¯Ò»¸öÊý¾Ý¿âÁ¬½Ó¶øÒÑ¡£
function RootMenu ($PID,$n){
global $arr,$db;
$sql = "select * from menu ......

php ͨ¹ýfsockopen Ä£ÄâPOSTÌá½»


$URL
=‘
http
:
//xxx.xxx.xxx.xx/xx/xxx/top.php';
$post_data
[
'
clientname
'
]
=
"
test08
"
;
$post_data
[
'
clientpasswd
'
]
=
"
test08
"
;
$post_data
[
'
submit
'
]
=
"
¥í¥°¥¤¥ó
"
;
$referrer
=
""
;
// parsing the given URL
$URL_Info
=
parse_url
(
$URL
)
;
// Building referrer
if
(
$referrer
==
""
)

// if not given use this script as referrer
$referrer
=
$_SERVER
[
"
SCRIPT_URI
"
]
;
 
// making string from $data
foreach
(
$post_data

as

$key
=>
$value
)
$values
[]
=
"
$key
=
"
.
urlencode
(
$value
)
;
 
$data_string
=
implode
(
"
&
"
,
$values
)
;
// Find out which port is needed - if not given use standard (=80)
if
(
!
isset
(
$URL_Info
[
"
port
"
]))
$URL_Info
[
"
port
"
]
=
80
;
// building POST-request:
$request
.=
&qu ......

dz̸ÓÃphp¶Ôunicodeתutf 8±àÂë

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unicode±àÂëÊÇʵÏÖutf-8ÓëgbϵÁбàÂë(gb2312¡¢gbk¡¢gb18030)ת»»µÄ»ù´¡£¬ËäÈ»ÎÒÃÇÒ²¿ÉÒÔÖ±½Ó×öÒ»¸öutf-8µ½ÕâЩ±àÂëµÄ¶ÔÕÕ±í£¬µ«ºÜÉÙÓÐÈË»áÕâô×ö£¬ÒòΪutf-8µÄ¿É±ä±àÂë¾ßÓв»È·¶¨ÐÔ£¬Òò´ËÒ»°ãÇé¿öʹÓö¼ÊÇunicodeÓëgb±àÂëµÄ¶ÔÕÕ±í£¬unicode(UCS-2)ʵ¼ÊÉÏÊÇutf-8µÄ»ù´¡±àÂ룬utf-8Ö»ÊÇËüµÄÒ»ÖÖʵÏÖ¶øÒÑ£¬Á½Õß´æÔÚÏÂÃæµÄ¶ÔÓ¦¹ØÏµ£º
Unicode·ûºÅ·¶Î§           | UTF-8±àÂ뷽ʽ
u0000 0000 - u0000 007F   | 0xxxxxxx
u0000 0080 - u0000 07FF   | 110xxxxx 10xxxxxx
u0000 0800 - u0000 FFFF   | 1110xxxx 10xxxxxx 10xxxxxx
ÓÉÓÚĿǰutf-8ʹÓõÄ×Ö·û¶¼ÊǾÓÓÚUCS-2µÄ£¬Òò´Ë¶ÔÓÚ4-6×Ö½Ú±àÂëµÄÇé¿öÊDz»±Ø¿¼Âǵģ¬ ......

PHP PDO ѧϰ±Ê¼Ç

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ÌṩһÖÖÇáÐÍ¡¢ÇåÎú¡¢·½±ãµÄ API ͳһ¸÷ÖÖ²»Í¬ RDBMS ¿âµÄ¹²ÓÐÌØÐÔ£¬µ«²»Åųý¸ü¸ß¼¶µÄÌØÐÔ¡£ ͨ¹ý PHP ½Å±¾Ìṩ¿ÉÑ¡µÄ½Ï´ó³Ì¶ÈµÄ³éÏó/¼æÈÝÐÔ¡£ 
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ÐÔÄÜ¡£PDO ´ÓÒ»¿ªÊ¼¾ÍÎüÈ¡ÁËÏÖÓÐÊý¾Ý¿âÀ©Õ¹³É¹¦ºÍʧ°ÜµÄ¾­Ñé½Ìѵ¡£ÒòΪ PDO µÄ´úÂëÊÇȫеģ¬ËùÒÔÎÒÃÇÓлú»áÖØÐ¿ªÊ¼Éè¼ÆÐÔÄÜ£¬ÒÔÀûÓà PHP 5 µÄ×îÐÂÌØÐÔ¡£ ÄÜÁ¦¡£PDO Ö¼ÔÚ½«³£¼ûµÄÊý¾Ý¿â¹¦ÄÜ×÷Ϊ»ù´¡Ìṩ£¬Í¬Ê±Ìṩ¶ÔÓÚ RDBMS ¶ÀÌØ¹¦Äܵķ½±ã·ÃÎÊ¡£ ¼òµ¥¡£PDO Ö¼ÔÚʹÄúÄܹ»ÇáËÉʹÓÃÊý¾Ý¿â¡£API ²»»áÇ¿ÐнéÈëÄúµÄ´úÂ룬ͬʱ»áÇå³þµØ±íÃ÷ÿ¸öº¯Êýµ÷ÓõĹý³Ì¡£ ÔËÐÐʱ¿ÉÀ©Õ¹¡£PDO À©Õ¹ÊÇÄ£¿é»¯µÄ£¬Ê¹ÄúÄܹ»ÔÚÔËÐÐʱΪÄúµÄÊý¾Ý¿âºó¶Ë¼ÓÔØÇý¶¯³ÌÐò£¬¶ø²»±ØÖØÐ±àÒë»òÖØÐ°²×°Õû¸ö PHP ³ÌÐò¡£ÀýÈ磬PDO_OCI À©Õ¹»áÌæ´ú PDO À©Õ¹ÊµÏÖ Oracle Êý¾Ý¿â API¡£»¹ÓÐһЩÓÃÓÚ MySQL¡¢PostgreSQL¡¢ODBC ºÍ Firebird µÄÇý¶¯³ÌÐò£¬¸ü¶ ......
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