PHP::Session

1
PHPSession

• Tatsuhiko Miyagawa
• ltmiyagwa_at_bulknews.netgt
• Livin On The EDGE, Co.,Ltd.
• 2003/01/31 Shibuya.pm Technical Talks

2
???

• PHPSession ??
• ???????
• PHP????????
• PHPSession ???
• ????
• ?????

3
PHPSession ??
DESCRIPTION PHPSession provides a way to read /
write PHP4 session files, with which you can make
your Perl Application session shared with
PHP4. PHPSession ? PHP4 ????????????????????????
??????Perl ???????????????PHP4????????????
4
???????
?????????(??
5
????????

• ???????PHP????????
• PHP???????
• ???????????

Perl ?? PHP????????!
6
PHP????????

• PHP3 ???PHPLIB ?????????????
• PHP4 ???????????????????????? (PHPLIB?????)
• ????PHP4???

7
PHP4??????????

• /tmp/sess_SESSION_ID ??????????????(????????)
• ????? flock ???
• ?????????????

bazO3"foo"2s3"bar"s2"ok"s3"yes"s4
"done"arra1i3O3"foo"2s3"bar"s2"o
k"s3"yes"s4"done"!foo
8
???????????
Object
????
???
????
bazO3"foo"2s3"bar"s2"ok"s3"yes"s4
"done"arra1i3O3"foo"2s3"bar"s2"o
k"s3"yes"s4"done"!foo
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??????????? (cont.)
?
string
??
string
??
?
bazO3"foo"2s3"bar"s2"ok"s3"yes"s4
"done"arra1i3O3"foo"2s3"bar"s2"o
k"s3"yes"s4"done"!foo
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??????????? (cont.)
???
array
int
bazO3"foo"2s3"bar"s2"ok"s3"yes"s4
"done"arra1i3O3"foo"2s3"bar"s2"o
k"s3"yes"s4"done"!foo
?
11
??????????? (cont.)
bazO3"foo"2s3"bar"s2"ok"s3"yes"s4
"done"arra1i3O3"foo"2s3"bar"s2"o
k"s3"yes"s4"done"!foo
undef
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??????

• PHP???????????????

a1 "foo" a2 new baz a3
"bar" a4 -1.2 data'hi'
'foo' data'foo' "bar"
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???????????

• ???????
• ????????!

my var_re '(\w)\' my str_re
's\d"(.?)"' my int_re 'i(-?\d)' my
dbl_re 'd(-?\d(?\.\d)?)' my arr_re
'a(\d)' my obj_re 'O\d"(.?)"\d' my
nul_re '(N)' my bool_re 'b(01)'
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???????????(cont.)

• ???????????
• ?????????? (5.6 ?????)
• PHP ?????1????????
• Perl ?????
• ParseRecDescent
• ?? (ParseFastDescent?)
• ???????

lt??gt?Perl?????????????lt/??gt
15
??????????? (cont.)

• TextBalanced ???
• Damian Conway ?
• ParseRecDescent ????
• ???????????????
• ????????????OK

my bracket extract_bracketed(data, '')
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PHPSession ???

• Serializer ?Pluggable??????
• PHP ?? WDDX ????? (PHPSession ????????
  WDDX.pm????????)
• Strategy Pattern
• sess_ ??????????error
• create gt 1 ????????

17
API
use PHPSession my session
PHPSession-gtnew(id) session id my id
session-gtid get/set session data my foo
session-gtget('foo') session-gtset(bar gt
bar) remove session data session-gtunregister
('foo')
18
API (cont.)
remove all session data session-gtunset
check if data is registered session-gtis_registere
d('bar') save session data session-gtsave
destroy session session-gtdestroy
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PHP???

• PHP????Perl?????
• Perl(??) gt PHP (??) gt Perl(????)
• PHP???????? PHPSessionObject ???? bless
• _class ???PHP?????????

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ApacheSessionPHP

• ApacheSession
• ??????????????
• Store, Lock, Generate, Serialize
• Serialize ? Store ????????
• Serialize PHPSession ???
• Store ???????? PHP?????(sess_SESSION_ID)

tie session, ApacheSessionPHP
21
????

• ???????????
• Bug Report ? Patch ???????
• Y! inc ???(?)
• PHP????????????????
• ????????????????
• PHP?Web???????????????
• ????????????

22
??????????
use ApacheCookie use ApacheRequest use
DigestMD5 qw(md5_hex) use PHPSession my r
ApacheRequest-gtnew(Apache-gtrequest) my sid
get_sid() gen_sid() my sess
PHPSession-gtnew(sid, create gt 1
) sess-gtset(name gt 'miyagawa') sess-gtset(ema
il gt 'miyagawa_at_bulknews.net') sess-gtsave()
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?????????? (cont.)
my cookie ApacheCookie-gtnew(r, -name gt
'PHPSESSID', -value gt sid, -path gt
'/', ) cookie-gtbake r-gtinternal_redirect("/php
-session/index.php") sub get_sid my
cookies ApacheCookie-gtfetch return ?
cookiesPHPSESSID ? cookiesPHPSESSID-
gtvalue undef
24
?????????? (cont.)
lt?php session_start() ?gt Name lt? name
?gtltbrgt Email lt? email ?gtltbrgt SID lt?
PHPSESSID ?gt
25
?????

• PHPSessionMySQL
• ?????? MySQL ?????
• WDDX ????
• TestPHP
• InlinePHP
• TomcatSession