Самостоятел_2(2)

©

*

)

)-

m_mmcihZmn[ln%&*

)

m_mmcih*[oniZmn[ln

jbj*chc%

&

* )

)

)

)

*

m_mmcihZmn[ln%&

)

*

m_mmcih*m[p_Zb[h^f_l

©

)

*

*

session_start( )

session_start%&

*

)

)

-

*

session_start( ) : boolean session_start()

)

6

OID,

]iiec_%

jbj*chc

m_mmcihZ]iiec_m&

*

)

©

)

)

*

m_mmcihZmn[ln%&

6

session_start( ) :

©

)

)

©

*

session_destroy( ).

session_start( )

TRUE

©

.

© )

c

^c_%&

*

session_destroy()

m_mmcihZ^_mnlis%&

)

)

*

m_mmcihZ^_mnlis%&6

boolean session_destroy( )

$

)

]iiec_

*

)

]iiec_

)

m_mmcih*]iiec_Zfc_ncg_

jbj*chc

%

&*

6

<?

session_start( );

+

session_destroy( ) :

?>

)

©

*

© ) ©

OE@%

&*

©

m_mmcihZc^%&*

session_id( )

session_id%&

SID

)

session_start%&*

session_id( ) :

string session_id ([string sfd])

$

)

SID

*

) cookie

*

6

)

)

6

Your session identification number is 067d992a949114ee9832flcllcafc640

©

;

session_register( ).

+

session_register('bgcolor');

session_register('fontcolor');

+

)

!usr_id %

+

&

]iiec_

+

$

*

+

m_mmcihZc^%&

+

%QE@&)

//

cookie. $id = session_id($usr_id);

+

©

//

HTML $bgcolor = "white"; $fontcolor = "blue";

+

$usr_data = session_encode( );

+

IsOMH

om_lm

@mysql_pconnect("localhost", "web", "4tf9zzzf")

or die("Could not connect to MySQL server"!);

@mysql_select_db("users")

or die("Could not select user database"!);

+

$query = "UPDATE user_info set page_data='$usr_data' WHERE user_id= '$id'";

$result - mysql_query($query) or die("Could not update user information"!);

?>

,

/

©

,

©

'

.

session_decode( )

,

sessi on_encode( ),

session_decode( ).

:

string session_decode (string

_

)

_

,

©

-

©

.

)

*

02*3

m_mmcihZ^_]i^_%

&*

)

IsOMH

$

om_lZchi

6om_lZc^ j[a_Z^[n[*

QE@)

]iiec_

$

)

©

)

j[a_Z^[n[*

)

%!a]ifil&

)

*

02*3*

)

IsOMH

<?

+

)

!omlZc^%

+

&

]iiec_

+

$

*

$id = session_id($usr_id);

+

IsOMH

om_lm

@mysq]_pconnect("localhost", "web", "4tf9zzzf")

or die("Could not connect to MySQL server"!);

@mysql_select_db("users")

or die("Could not select company database"!);

//

MySQL

$query = "SELECT page_data FROM user_info WHERE user_id= '$id'

Sresult = mysql_query($query);

$user_data = mysql_result($result, 0. "page_data");

//

session_decode($user_data) :

+

print "BGCOLOR: $bgcolor";

?>

)

m_mmcihZ_h]i^_%& m_mmcihZ^_]i^_%&

©

©

©

*

Pcec

ek

c

co

k

)

*

Pcec

ek

c

co

k

1.

*

2.

_h[f- trans - id.

3.

nl[]eZp[lm*

4.

l_acmn_lZafi[fm*

5.

session.save_handler.

6.

session_start( ).

7.

session_destroy( ).

8.

session_id( ).

9.

session_register( ).