#3, Май'2004 :: Спецвыпуск. PHPConf 2004

5 !

MySQL (. 12)

PostgreSQL? (. 33)

PHP: (. 17)

-

3 '04

2004

PHP Inside 3

( )....................................................................................................1Smarty - ( )................................................................... 3 MySQL ( )....................................................12 PHP: , ( )............................................................. 17 XML- - ( )....................25 PostgreSQL? ( )........................................................................................... 33 PEAR - ( )...............42 I. ( )........................................................................................ 50 .................................................................................................................... 62

-

- - PHP, 14 . PHP(http://www.phpclub.ru) (http://www.3planeta.ru) - , -. - .

, , - . http://phpclub.ru/talk , , - . .

, , , - .

[Yamert], . , , [PHPClub], , - ( - ).

[Sad Spirit], , : PEAR PostgreSQL. - , - : -, - .

[Demiurg], - . Smarty , , -. : - .

1

:

PHP Inside 3

[], . , , MySQL , MySQL.

[fisher] - , - , .

[DAN], , , - XML-.

- , , -, .

, , , . - ? .

, , .

- . , . , , , , - .

- , ., , (http://phpclub.ru) (http://www.3planeta.ru).

2

.

PHP Inside 3 Smarty -

Smarty -

, PHP , HTML. , , PHP, PHP- HTML. , , , html (, , ). -. -, . . - PHP- HTML. - .

, . HTML ( ), - . PHP- HTML , , , , - HTML.

-

, Model/View/Controller (MVC). MVC (Model), (View) -(Controller). , -, . , - , . , - . - markup language ( ). controller, , -. PHP.

MVC WEB, , ,

. PHP- (Controller). , (Model), (View), , -. , .

3

:


. 2. -

, ( ). , -. , , - .

Smarty VS Others

Smarty. , Smarty - - , HTML . Smarty Sigma PEAR.

4

. 1. MVC


Sigma.

:

:

Smarty.

:

5

{first_name} {last_name}


:

, Smarty , . , Smartyc Smarty , . Sigma , , HTML-- . , Smarty , Sigma .

. , . - . - . , , , , , , , . . Smarty , , - , .

, -. , , , -, - . Smarty, , - . , , - , , , - , . , , .

, Smarty Smarty. Smarty -

, .

Smarty (compiling PHP template engine). , , , PHP-.

- , . , , - , . , .

6

{foreach name=outer item=contact from=$contacts} {foreach key=key item=item from=$contact} {$key}: {$item} {/foreach}{/foreach}


-, . ,, PHP-, , - , .

, , Smarty -

, , , , . , -. , Smarty , -, . - section. :

:

, Smarty :

foreach , . - : sectionelse foreachelse, - , .

:

, , , , ..

(if). ,

- php.

7

{section name=customer loop=$custid} id: {$custid[customer]} {/section}

id: 1000id: 1001id: 1002

{_ 1=1 2=2 ...}_

{/_ }

{_ 1=1 2=2 ...}

{section name=customer loop=$custid} id: {$custid[customer]}{sectionelse} there are no values in $custid.{/section}


:

,

:

C , Smarty , -.

Smarty

. Smarty , . - function._.php php- smarty_function__($params, &$smarty), . , , $params. :

Smarty , -

. , , , html, :

8

{if $name=="Fred" || $name=="Wilma"} ...{* 0=even, 1=even, 2=even, 3=odd, 4=odd, 5=odd, etc. *}{elseif $var is even by 3} ...{else} ...{/if}

{assign var="name" value="Bob"}

function smarty_function_eightball($params, &$smarty){ $answers = array('Yes', 'No', 'No way', 'Outlook not so good', 'Ask again soon', 'Maybe in your reality'); $result = array_rand($answers); return $answers[$result];}

{$str|escape:"html"}


:

, , - . . modifier._.php PHP- smarty_modifier_ _ ($string). -:

, -, , - PHP- . , - str_repeat:

Smarty -

. , , - . - :

- config_load. , , . , - .

- {#_#} {$smarty.config. _}.

9

{$str|escape:"html"|upper}

function smarty_modifier_capitalize($string){ return ucwords($string);}

{$str|str_repeat:3}

# global variablespageTitle = "Main Menu"bodyBgColor = #000000tableBgColor = #000000rowBgColor = #00ff00[Customer]pageTitle = "Customer Info"[Login]pageTitle = "Login"focus = "username"Intro = """This is a value that spans more than one line. you must enclose it in triple quotes."""


, , Smarty -

. , - , - , PHP, - , , , . , , - .

, , Smarty (: Fatal error: Smarty:[in index.tpl line 28]: syntax error: missing section name in /path/to/smarty/Smarty.class.php on line 1041).

, Smarty MVC . , MVC - , - , View-,, .

, , Smarty - View- ( -). , , popup- . .

Smarty , ,

. , Smarty , , .

: ? Smarty -, . , .

, - . .

, , -, .

10


Smarty - cache_id, :

Cache_id , . , . - , cache_id group|subgroup|id.

, , , . , - .

, Smarty -. , -, , (, )? .

, Smarty insert. insert PHP-. , . , View Controller.

, Smarty -

- WEB-. HTML PHP- - , . , . Smarty , , Smarty -. http://smarty.php.net/

11

$smarty->caching = true;$my_cache_id = $_GET['article_id'];if(!$smarty->is_cached('index.tpl',$my_cache_id)) { // No cache available, do variable assignments here. $contents = get_database_contents(); $smarty->assign($contents);}$smarty->display('index.tpl',$my_cache_id);

PHP Inside 3 MySQL

MySQL 4.1

4.1 . :

. 4.1. - , , , - Unicode (utf8 ucs2). ;

GIS. MyISAM . OpenGIS. - :

SRS (Spatial Reference System), , ;

;

(prepared statements ). - MySQL - :

;

;

4.1 . - , . , - ( 4.1), - MySQL :

, :

1. ;

2. MySQL -old-passwords.

GROUP_CONCAT(), ();

12

CREATE TABLE t1(l1 LINESTRING);INSERT INTO t1 VALUES(LineStringFromText('LINESTRING(0 0, 1 1, 2 2)'));

Client does not support authentication protocol requestedby server; consider upgrading MySQL client

:

PHP Inside 3 MySQL

WITH ROLLUP, - GROUP BY. ROLLUP - . :

ONDUPLICATE KEY UPDATE INSERT.

INSERT .. ON DUPLICATE KEY UPDATE - - .

TIMESTAMP DEFAULTCURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP.

DEFAULT CURRENT_TIMESTAMP TIMESTAMP , INSERT , ON UPDATE CURRENT_TIMESTAMP, - UPDATE.

CREATE TABLE - :

13

mysql> SELECT country, year, SUM(profit) FROM t1 GROUP BY country, yearWITH ROLLUP;+----------+--------+----------------+| country | year | SUM(profit) |+----------+--------+----------------+| Albania | 2001 | 300 || Albania | 2002 | 100 || Albania | 2003 | 600 || Albania | NULL | 1000 || Denmark | 2001 | 800 || Denmark | 2002 | 1800 || Denmark | 2003 | 1600 || Denmark | NULL | 4200 || Greece | 2001 | 1500 || Greece | 2002 | 1100 || Greece | 2003 | 700 || Greece | NULL | 3300 || NULL | NULL | 8500 |+----------+---------+---------------+13 rows in set (0.00 sec)

CREATE TABLE t1(dt timestamp DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,id int);CREATE TABLE t2(dt timestamp DEFAULT CURRENT_TIMESTAMP,id int);

PHP Inside 3 MySQL

5.0 5.0 -

. SQL-, . MySQL SQL:2003. DB2.

:

. ASENSITIVE,READ ONLY -SCROLL.

5.0 (VIEW). (derived tables), - FROM, 4.1.

5.0 VIEW, 5.1.

: -

MySQL (MySQL Core Certification) - MySQL (MySQL Professional Certification).

. , - SQL, MySQL, - , MySQL AB, ..

70 , 1,5 , .

:

http://www.mysql.com/training/certification/selftest/core/index.php

, , - , -, , , MySQL. , - InnoDB, .

70 , - 1,5 .

14

CREATE PROCEDURE proc1 (IN param1 INT,OUT param2 INT)BEGINSELECT SQRT(param1) INTO param2;END

CREATE FUNCTION func1 (name CHAR(20)) RETURNS CHAR(50)RETURN CONCAT(name,' - kanistra!');

PHP Inside 3 MySQL

- 135 .

MySQL .

MySQL GNU GPL .

GPL MySQL -. , - . , , , MySQL, .

, GPL, MySQL .

MySQL GPL , - GPL .

, - , , , - , :

1. GNU GPL , - , - , ;

2. , - - , ;

3. MySQL , ;

4. , , GPL - MySQL AB.

- MySQL:

/Academic Free License 2.0Apache Software License 1.0/1.1/2.0Apple Public Source License 2.0Artistic license Perl 5.8.0BSD license July 22 1999

15

PHP Inside 3 MySQL

/Common Public License 1.0GNU General Public License(GPL)

2.0

GNU Library "Lesser"General Public License(LGPL)

2.1

Jabber Open Source License 1.0MIT license -Mozilla Public License (MPL) 1.0/1.1PHP License 3.0Python license (CNRI PythonLicense)

-

Python Software FoundationLicense

2.1.1

Sleepycat License 1999W3C License 2001Zlib/libpng License -Zope Public License 2.0

, -:

- GPL , FreeSoftware Foundation OSI, GPL;

- - GPL, - MySQL;

, , [email protected].

, , . .

- MySQL , .

16

PHP Inside 3 PHP: ,

PHP: , - -

PHP?

PHP, -, - . , - ; , , , . , - - PHP - - (), -.

, , ,

:

1. . -, , - , ( - ), - - , - . , , . - () () , , (, LDAP), ;

2. . -, , - , -. . , , , ;

3. . , - , . , Logger ( ..). : FileLogger DBLogger , , - . ;

, , PHP 4:

1. public static. private protected ( PHP 5) , - , , - ;

17

:

PHP Inside 3 PHP: ,

2. . - ( );

3. , - $this->... .

MVC:

MVC (Model-View-Controller, --). - 3 , :

1. . , ;

2. , -;

3. , - , . , - .

3 - :

1. ;

2. ( -HTML, . WML, ..) - . ; - ;

3. , .

, .

18

. 1. .

PHP Inside 3 PHP: ,

1 , - , :

1. client ( ). product, ( order), ;

2. product ( ), - . ( , &). - Supplier;

3. product_category ;

4. order , : , .;

5. supplier , .

( MVC).

2 , - , MVC-. (.. ).

ShopModule ( Registry, ) . protected- log(), .

name( ), log_engine ( - ( , PEAR::Log)), db_engine ( ), config (. ).

19

.2 .

PHP Inside 3 PHP: ,

WebInterface . protected-handleGETRequest(), handlePOSTrequest() - . ( , - , - , HTTP- - ).

, - (, CartInterface ) activate(). - , , , - . , , - CartInterface, activate().

WebLogic . , - , (getProducts()), (buyProduct()) (getOrderStatus()).

WebView . , - model. , tpl_engine (, PEAR::Sigma), - . - , printErrorForm(), - . WebView, ( PC, ., PDA). PC.

20

3. MVC .

PHP Inside 3 PHP: ,

MVC, Registry(..4), - , ..

, . - . ( ShopModule) . .

(static), ( final).

. .

21

. 4. .

.5. -.

PHP Inside 3 PHP: ,

, .1, .

, ( ). , DBEntity :

init() , , , - ;

update(), delete(), insert() . SQL-;

getTableName() ;

getField() . ( - fields);

setField() . .

-, , init(), get- set-.

, - ( , Client block() activate ()).

.

22

.6. .

PHP Inside 3 PHP: ,

PHP5 - PHP?

, PHP5 . , ( ):

1. (try/catch );

2. private, protected, public;

3. abstract, final;

4. ;

5. static- ( );

6. .

, : - , .

PHP. , , , - , , ZE2.

23

.7. (2 ).

PHP Inside 3 PHP: ,

:

1. , - , (overloading) ;

2. - ;

3. , static, , $this, - , . -, ;

4. , .

, , PHP4 PHP5:

1. empty;

2. , __construct(), ;

3. , .

, -, , - PHP4 .

PHP4 PHP5 PHP4 -

:

:

;

try/catch - .

PHP5 .

24

PHP Inside 3 XML- -

XML- -

- , - XML (eXtensible Markup Language). - , - . - W3C, xml- - , . , xml--. xml-.

XML PHP 4 XML PHP 3-

PHP. xml-- php- -, , PHP. xml- - xml-:

1. SAX (Simple API for XML) -;

2. DOM (Document Object Model) .

SAX- php- xml expat. -: .

DOM- php-domxml libxml. .

25

. 1. XML PHP 4.

:

PHP Inside 3 XML- -

SAX- , (parsing) - . , - . , DOM- , . , SAX- , .

, xml- php-. , domxml. - , php- xml. -, .

XSLT PHP 4XSLT (XSL Transformations) xml-

(eXtensible StylesheetLanguage).

PHP 4 API : sablotron ( xslt) libxslt( domxml). API xml-.

, API domxml xslt - , , PHP - . , domxml DOM - W3C.

PHP - , , , , - - . - , XML PHP, - PHP 5 .

XML, XSLT XML- PHP 5

PHP 5 XML - libxml2. - PHP :

XML;

DOM;

SimpleXML;

XmlReader;

26

PHP Inside 3 XML- -

XSL;

SOAP.

xml SAX . , PHP 4. - , API libxml2, expat.

dom DOM - W3C, . - domxml PHP 4 . , - dom DOM.

simplexml xml- PHP. simplexml - xml--.

, , - , . ( foreach() ), - .

simplexml XPath-. - DOM. - - (, ..). , .

Xmlreader PHP PECL, - . -, SAX . .

xsl API libxslt - xml-. , libxml2 XML PHP 5. libxslt - xslt-, API libexslt.

xsl- - PHP . PHP- , xsl- php- - xslt-. .

xml, - , :

W3C;

;

27

PHP Inside 3 XML- -

XPath dom, simplexml, xslt;

XPointer, XIncludes dom;

(Schema), RelaxNG, DTD;

xml-;

DOM;

PHP Streams.

-.

xincludes include () PHP. . , - - php, xincludes .

PHP 5 -, . - :

, - - , - xincludes (. 1 ).

, , - .

28

class VariableStream { var $position; var $varname; function stream_open($path, $mode, $options, &$opened_path) { $url = parse_url($path); $this->varname = $url["host"]; $this->position = 0; return true; } function stream_read($count) { $ret = substr($GLOBALS[$this->varname], $this->position, $count); $this->position += strlen($ret); return $ret; } function stream_eof() { return $this->position >= strlen($GLOBALS[$this->varname]); } function url_stat() { return array(); }}

PHP Inside 3 XML- -

PHP5 libxml2 -. - , DOM. :

29

stream_wrapper_register("var", "VariableStream");$GLOBALS["bar"] = "hello world"; $dom = new domdocument;$dom->load('xinclude.xml');$dom->xinclude();print $dom->saveXML();

--- xinclude.xml ---

--- output --

hello world

1.

Class books extends domDocument { function __construct() { parent::__construct(); } function addBook($title, $author) { $titleElement = $this->createElement("title"); $titleElement->appendChild($this->createTextNode($title)); $authorElement = $this->createElement("author"); $authorElement->appendChild($this->createTextNode($author)); $bookElement = $this->createElement("book"); $bookElement->appendChild($titleElement); $bookElement->appendChild($authorElement); $this->documentElement->appendChild($bookElement); }}$dom = new books();$dom->load("books.xml");$dom->addBook("PHP de Luxe", "Richard Samar, Christian Stocker");print $dom->saveXML();

--- utput --- PHP de Luxe Richard Samar, Christian Stocker

PHP Inside 3 XML- -

, , domxml PHP 4, xml--.

, xml--, PHP 5, . - , , PHP 5 , - xml- . PHP 5 - XML .

XML- -

, , XML - , . , , - XML - .

. - () . - XML. , - . . - Jakarta Struts, xml-. PHP- phpMVC;

. , , XML - - XML-. MVC. XML (model) (view). , XSL-, - . XML ( , , ). , , , - , . XML - , , , , , .

30

PHP Inside 3 XML- -

- xml-, XPath-, XSL--, DOM- . , , ,, , XML, -;

-. XML . , SOAP, xml-. - -, XML Schema.

Internet XML. XML - (MathML) (XML Signature). - (CommerceML, EbXML):

XML - -

. , - -. - ( ) - , , , .

- , ,PEAR::HTML_QuickForm. HTML- - , . XForms, - W3C.

XForms HTML-, - , HTML- . - XForms .XForms - , , , XML-.

, , , . , XForms, : (data model), (view) (controller) , , .

31

PHP Inside 3 XML- -

XForms - , . XForms - . - , - .

XForms , . XML- . XForms , .XForms- , - . , .

XForms - , . , - , -. XForms - .

XForms XForms, , - . , - XForms , , - .

- , , XForms, - -. , - . .

, XForms -, XForms Web-.

XML -

, - .

XML- - () , .

-, XForms, - .

32

PHP Inside 3 PostgreSQL?

PostgreSQL? ,

PostgreSQL , - , .

PostgreSQL PostgreSQL 1977 , Ingres, -

1977 1985 . Relational Technologies / Ingres( Computer Associates), .

POSTGRES ( Post Ingres) 1986 . : -, , , -. , -, 1989 . , 2 3. POSTGRES , POSTGRES . POSTGRES - Illustra, Informix, IBM.

1993 , , , . POSTGRES 1994 4.2.

1994 , , POSTGRES SQL ( PostQUEL). Postgres95 .

1996 , Postgres95 , , , - PostgreSQL. 6.0, - SQL. 1 PostgreSQL, .

1 , , . PostgreSQL , .

33

:


,

PostgreSQL . , , (, , ), - . - (SteeringCommitee), , .

PostgreSQL BSD, -, , PostgreSQL, . , , - PostgreSQL Windows, 7.5.

, POSTGRES, , . PostgreSQL, , , - ; PostgreSQL PostGIS.

( -) PostgreSQL. Red Hat, Afilias ( .org .info), Fujitsu PostgreSQL / - . , PostgreSQL, 2, .

PostgreSQL PostgreSQL

. - .

. , .

. 6.5 ( 1999.06.09) - . , , , - .

2 PostgreSQL : Great Bridge

34


- . 7.1 ( 2001.04.13) - (Write Ahead Log), - .

. 6.3 (1998.03.01), FROM ( derivedtables) 7.1.

. 7.0( 2000.05.08), - .

. 6.4(1998.10.30), - . - , -, SQL (RULE).

. 6.4 PL/PgSQL3. (TCL, Perl, Python), PL/Java PL/PHP, .

. 6.2 ( 1997.10.02).

Unicode. ( Unicode) 6.4. PostgreSQL - .

, -

. 4 postgresqlontrib( contrib/ ), . http://www.pgfoundry.org/, - 5 , - PostgreSQL, http://gborg.postgresql.org/.

:

;

contrib/rserv: - ;

ERServer: -, , .org .info, BSD;

3 PL/SQL Oracle.4 .5 GForge (http://www.gforge.org/) fork SourceForge,

PostgreSQL.

35


Slony I6: , - ;

: - contrib/tsearch2;

: PostGIS(http://www.postgis.org/).

? :

. , - - ;

( , );

- ( - );

, (,) .

: MySQL 4.1.x 4.1.x MySQL -

group_concat(), . PostgreSQL , , group_concat():

6 .

36

--, CREATE FUNCTION sql_concat(text, text) RETURNS text AS SELECT $1 || $2; LANGUAGE sql WITH (ISSTRICT); -- , sql_concatCREATE AGGREGATE group_concat ( BASETYPE = text, SFUNC = sql_concat, STYPE = text );


:

, -, . .

4.1.x MySQL timestamp, , . PostgreSQL : - ( ) , ( ). :

: phpBB2 -

: phpBB27. , - users ( - ), phpbb_users. - :

1. . : , - phpBB2;

7 PostgreSQL.

37

test=# select field from foobar;field--------foo bar(2 rows)test=# select group_concat(field) from foobar;group_concat-------- foobar(1 row)

CREATE TABLE foo (... modified timestamp(0) with time zone DEFAULT now() NOT NULL ); -- CREATE FUNCTION foo_modified() RETURNS TRIGGERAS BEGIN NEW.modified := now(); RETURN NEW;END; LANGUAGE plpgsql;--, CREATE TRIGGER foo_modifiedBEFORE UPDATE ON foo FOR EACH ROWEXECUTE PROCEDURE foo_modified();


2. phpbb_users. : ;

3. phpBB2 users. , phpBB2 .

, -:

, . - :

, - phpBB2 ( ) . - phpBB2 .

PL/PHP

PL/PHP ( ) PostgreSQL PHP. - : http://plphp.commandprompt.com/, - RC1.

38

DROP TABLE phpbb_users;-- , phpbb_users,-- usersCREATE TABLE phpbb_users_info ( ...);-- , -- phpbb_usersCREATE OR REPLACE VIEW phpbb_users ASSELECT ...FROM users u, phpbb_users_info uiWHERE u.user_id = ui.user_id;

CREATE OR REPLACE RULE phpbb_users_insert ASON INSERT TO phpbb_users DO INSTEAD ( INSERT INTO users ...; INSERT INTO phpbb_users_info ...;);CREATE OR REPLACE RULE phpbb_users_update AS ON UPDATE TO phpbb_users DO INSTEAD ( UPDATE users SET ...; UPDATE phpbb_users_info SET ...;);CREATE OR REPLACE RULE phpbb_users_delete ASON DELETE TO phpbb_users DO INSTEAD (DELETE FROM users WHERE user_id = OLD.user_id;-- phpbb_users_info );


PHP spi_exec_query(), - , - PL/PHP. , .

, PL/PHP - : trusted untrusted. trusted , - ( PHP safe mode), untrusted , PHP.

PL/PHP:

:

7.5: PostgreSQL Win32 PostgreSQL

Windows :

Cygwin, - Linux Windows;

, .

Windows - 7.4, , , . 7.5, : http://candle.pha.pa.us/main/writings/pgsql/project/win32.html.

( 7.5 ) PostgreSQL Windows, - .

39

CREATE TYPE __testphptype AS (field text);CREATE OR REPLACE FUNCTION phpsplit(text)RETURNS SETOF __testphptype AS $words = preg_split(/\\\\s+/, $args[0]); $ret = array(); for ($i = 0, $cnt = count($words); $i < $cnt; $i++) { $ret[$i][0] = $words[$i]; } return $ret; LANGUAGE plphp WITH (ISSTRICT);

testphp=# select * from phpsplit(This is PL/PHP at work.);field----------This is PL/PHP at work. (5 rows)


:

1. gcc MinGW ( MinGW ). MinGW MSYS http://mingw.org/;

2. (zlib, bison,flex), http://www63.tok2.com/home/bitwalk/download.html

3. Perl. Windows, ActivePerl (http://activestate.com/);

4. , , CVS- PostgreSQL, FTP (http://www.postgresql.org/mirrors-ftp.html) dev/;

5. :

( ) , , C:\pgsql, PATH bin/ lib/, PGDATA, . -:

(postmaster.exe).

( ) PostgreSQL servicemanager, PostgreSQL , -. http://www.unm.edu/~efesar/pgsvc/index.html.

, -

. , ( ) , .

:

Windows. Windows , - Windows. Unix- Cygwin ( - ) - PostgreSQL;

40

$ ./configure && make && make install

> initdb L C:/pgsql/share


, - steep learning curve. , PostgreSQL, - SQL . , , - ..

( SQLite), , PostgreSQL. (-, ), , .

, PostgreSQL - ( ) . ( - ) -.

:

. , (, ). , , , .. - , - .

, PostgreSQL. - , PostgreSQL:http://detail.phpclub.net/store/html/postgresql/.

41

PHP Inside 3 PEAR -

PEAR -

: - ? -, , , -, .

- In Defense of Not Invented Here Syndrome(http://joelonsoftware.com/articles/fog0000000007.html). : -, , , , , . , , , .

, ( -- ) . - , , , , - . - , , .

, : - ? : PEAR.

PEAR PEAR PHP Extension and Application

Repository ( PHP). :

;

API;

.

PEAR, , -, , , Java. - (Framework) -.

PEAR :

( ) PHP, ?

: PEAR - .

42

:

PHP Inside 3 PEAR -

:

PEAR - : - ( - PHPDoc);

-, PEAR - -;

, , -. , , , ., , , , , , - .

PEAR - . - , - . ( ), , ., , , , .

PEAR PEAR -

. , , http://pear.php.net, :

- ;

XML-RPC . , - pear ;

:

, , ;

;

;

. PEAR, - DocBook, () , API - , - phpDocumentor .

43

PHP Inside 3 PEAR -

- : , - .. - PEPr (PEAR Proposals), - (RFC) PEAR. , PEAR, :

pear-general PEAR, - ;

Pear-dev PEAR;

Pear-doc , PEAR .

,

, - - -.

, Mail, Mail_Mime Net_SMTP, , -, HTTP_Request HTTP, Auth, Date, Log, XML_Parser. HTML_TreeMenu( ) Pager ( ).

HTML HTML_QuickForm, .

HTML_QuickForm ,

HTML :

: , -, . - select, radio, checkbox;

. , ID , intval();

. email, , - , ;

- ;

- . - , .

44

PHP Inside 3 PEAR -

. , . - , HTML_QuickForm, -, 55000 .

HTML_QuickForm 20 . -

HTML, : , . ( HTML_QuickForm_element -);

. - , ;

. 10 , : HTML_QuickForm_Rule ( ), callback ;

. , - HTML_QuickForm_Rul;

, - HTML_QuickForm_Renderer, -. HTML, , . Smarty, IT[X]/Sigma,Flexy;

.

45

. 1. QuickForm.

PHP Inside 3 PEAR -

1 () HTML_QuickForm ( ).

QuickForm

: addElement(), addRule(), validate(), exportValues() display().

, - , . PEAR - .

HTML_QuickForm_ControllerHTML_QuickForm_Controller

HTML_QuickForm, .

PageController, - : , .

46

1

PHP Inside 3 PEAR -

: - , , - Controller . Controller .

- : wizard, ..

2.

HTML_QuickForm (. 2).

, QuickForm_Controller : . - , -.

47

. 2: QuickForm_Controller

PHP Inside 3 PEAR -

-

, , .

QuickForm, , XML. , . - ( QuickForm) - QuickForm Builder.

- ( ), . , -: Wiki http://www.mamasam.com/qfbuilder , . , Wiki, pear-dev.

48

2

PHP Inside 3 PEAR -

DB_DataObject_FormBuilder, ORM DB_DataObject. DB_DataObject, .

XForms: QuickForm -, , XForms , QuickForm.

: , .

: - , , (Renderer). - -. , , , -. pear-dev , , wysiwyg htmlarea.

49

PHP Inside 3 I.

I. - - : ORM-, ,

JAVA, Perl, PHP, Python;

PHP;

;

, ;

ORM: , (Propel)

ORM:

50

:

JAVA: TopLink (Oracle),

WebObjects (Apple),

JDO,Hibernate,Torque,

OJB,Castor,Cocobase, VBSF ...

Python DbObj, SQLObject,db_row,

Forget SQL, Middle Kit,

Modelling OR Bridge,

OR Membrane, PyD...

PHP Inside 3 I.

CRUD: create, read, update, delete -:

(M1) ,

A {id, a1, ... aN }

(M2) 1:m, 2 :

A{ id, a1, ... aN}, B{id,id_A,b1,...bN}

id_A -

(M3) m:n, 3 : 2 () + 1 ()

A{id, a1, ... aN}, B {id,b1,...,bN}, A_B{id_A,id_B,...},

id_A, id_B -

M1: , :READ/SELECT

SQL-

(lasy loading) - , LOB

where:

( - )

order by,

bind ( )

group by (having)

CREATE/INSERT, UPDATE

: defaults, triggered

:

(value quoting, )

- (MySQL autoincrement, ,)

( , , etc)

LOB- ( -)

where( UPDATE): ( - , )

51

Perl Class::DBI, Alzabo,

Tangram, SPOPS,

DBIx::DBO2 ...

PHP PEAR::DB_DataObject,

Metastorage (MDB),

Propel ...

PHP Inside 3 I.

DELETE

where:

M2: , 1:m:A{ id, a1, ... aN}, B{id,id_A,b1,...bN}, id_A -

(M1)

A: B

B:

A B (lasy);

e A 2 : SET NULL B

:

B: A

B - A:

Lasy: ;

;

B (left outer join).

B - A.

M3: , m:n:A{id, a1, ... aN}, B {id,b1,...,bN}, A_B{id_A,id_B,...}

(- - A, ):

, (, pkeys, pkeys + -)

(, )

()

.

ORM (PHP)--:

: () . C , , , 1:m/m:n, CRUD- ( );

52

PHP Inside 3 I.

:

:

53

PHP Inside 3 I.

: 1. ;

2. - (, 1:m);

3. - (, m:n);

4. ( ).

1: /

54

$schema = array (##############################'DOC' => array (##############################

TITLE_NAME => 'TITLE',FIELDS => array(

'ID'=>NUMBER,'TITLE'=>VARCHAR,'ANONS'=>VARCHAR,'BODY'=>CLOB,'AUTHOR'=>VARCHAR,'SRC'=>VARCHAR,'DATE_REC'=>DATE,'PRIORITY'=>NUMBER,'ID_STATUS'=>NUMBER,'DATE_EDIT'=>DATE,

),PRIMARY_KEY => 'ID',AUTO_INCREMENT => 'S_DOC',DATE_FORMATS=>array(

'DATE_REC'=>'dd/mm/yyyy hh24:mi','DATE_EDIT'=>'dd/mm/yyyy hh24:mi',

),DONT_UPDATE => array('DATE_EDIT'=>1),NO_QUOTES => array('DATE_REC' => 1),DEFAULTS=>array(

'STATUS'=>1,'PRIORITY'=>10,

),PREFERENCES => array (

'STATUS' => 'ID_STATUS')

));

PHP Inside 3 I.

2:

55

# $art_data = araay();# HTTP $sql_where = $art_controller->build_where($art->atts);$n_rows = $art->get_list($art_data,

array(WHERE_CLAUSE=>$sql_where,ORDER_CLAUSE=> 'datetime desc')); # $arty->get_collction ( )# , /# action - DML: DELETE, UPDATE, INSERT ($id='new')if (1 == $art->db_action($params,$action) && is_null($db_manager->error)) {

if ($db_manager->connit()) { # OK..} else {

# , # "" ...$db_manager->rollback();

}} else { #

...$db_manager->rollback();

}

# ###################################################function article(&$db_manager) {################################################### $this0>entity('DOC', $db_manager);};$db_manager = & new db_manager($conn,$owner,$schema);$art = & new article($db_manager);# if (1 != $art->select(array($art->pkeyname => $id)) {

# document not found...

}

# :######################################'STATUS' => array (######################################

TITLE_NAME => 'NAME',FIELDS => array(

'ID'=>NUMBER,'NAME'=>VARCHAR,

),PRIMARY_KEY=>'ID',AUTO_INCREMENT=> 'S_STATUS'

)# $status = & new status($db_manager);

PHP Inside 3 I.

3: -

56

# (title)# 2 - ############################################################################function self_select (&$params) {############################################################################

if(1 != parent::selfselect($params)) return NULL;if($this->id_status>0 && 1 != $this->status->select(array( $this->status->pkeyname => $this->id_status) )){ # ,

...}

}

# ... ,# $status->get_list();# : , # "" (NULL -)# :# - self_delete# - relation_m1_handler# - - store_handler# relation_m1_handler$this->docs_relation = & new relation_m1($this,$this->docs_entity,$this->db_manager);$this->add_store_handler (

new relation_m1_handler('docs_relation',array(ON_DELETE=>SET_NULL))); #

# #############################################################'BASKET' => array (#############################################################

TITLE_NAME => 'NAME',FIELDS => array(

'ID'=>NUMBER,'NAME'=>VARCHAR,

),PRIMARY_KEY => 'ID',AUTO_INCREMENT => 'S_BASKET'

),

PHP Inside 3 I.

4:

57

#############################################################'BASKET_DOC' => array (#############################################################

TYPE => RELATION,TITLE_NAME => 'NAME',FIELDS => array(

'ID_BASKET'=>NUMBER,'ID_DOC'=>NUMBER,

),REFERENCES => array(

'DOC' => 'ID_DOC','BASKET' => 'ID_BASKET'

))# basket:# # $this->docs_relation = & new relation_mm('DOC','BASKET_DOC',$db_manager);$this->add_store_handler(new relation_mm_handler('docs_relation'));

# :$this->add_store_handler($new serarch_handler(

array('TITLE'=>10,'BODY'=>5)));# include_once('search_engine.php');###########################################################class search_handler extends store_handler {###########################################################var $fields_weight; ####################################################### function search_handler ($fields_weight) { #######################################################

parent::store_handler();$this->fields_weight = $fields_weight;

} ####################################################### function before_delete(&$obj,&$params) { #######################################################

if(1 != delete_object(...) )} ... # return NULL;}return 1;

}

PHP Inside 3 I.

( , ,

- )

1. SQL ( , RAD)

2. ( + )

3. , -/

4. -. -, . / .

ORM (advanced feature list)

Lasy loading -,

, -

ORMwww.c2.com/cgi/wiki?ObjectRelationalTollComparison (-

)

1. SQL-;

2. ;

3. ;

4. GROUP BY, ;5. LASY LOADING;

6. ( , );

58

# before_insert - before_update ####################################################### function before(&$obj,&$params) {

...if (0== $status) { if (1 != add_object(...)) {

..return NULL;

} return 1;} else { if (1 != delete_object(...)) {

...return NULL;

} return 1;}

PHP Inside 3 I.

7. , ;

8. 1:1, 1:m, m:n ;

9. ;

10. table-per-{hierarchy,concrete-class, subclass};

11. OUTER JOIN;

12./ (vesion numbers, timestamps,..);

13. ;

14. (-,, );

15. - ;

16. / -;

17. ;

18. - ;

19. , ;

20. SQL-.

- m:n(): -

, . - -,, , . - ( ).

. -: (m:n, CollectionProxy), - (1:m,ReferenceProxy), ...

,

(MyCollectionProxy,MyReferenceProxy, ...)

Runtime SQL-building : SQL, , -

;

4 : Criteria, OQL, named SQL, hand-coded. ;

59

PHP Inside 3 I.

SQL- , ;

OQL(Hibernate - HQL): from a where a.b.b_attr = ...

,

() ;

, - . , , - - ( , .. );

(1): -,, ( , );

: (, - ).

-

ORM. , OM (, ), - . :, ( );

ORM (- );

, ORM - ;

. - ORM , - ;

-- (- ). ORM - ;

- , - .

- bottleneck-;.

- ( () (, -));

60

PHP Inside 3 I.

;

;

ER- , ORM(CMS frameworks: );

- ( , ). - .

.

(A) - ORM, (B)

1. : (B) , (A) ( );

2. : (A) RAD-;

3. : (A) - - , ORM - . ( ORM- - ).

PHP - , Propel, http://propel.phpdb.org (2004)

Meta Storage (MDB), http://www.meta-language.net (1999)

PEAR::DB_DataObjects,http://pear.php.net/package/DB_DataObject (2002)

PEAR::DB_QueryTool,http://pear.php.net/package/DB_QueryTool (2003)

61

PHP Inside 3

[Demiurg];

[];

[Yamert];

[DAN];

[SadSpirit], [email protected];

[fisher];

, [PHPclub];

[Lenka];

[young];

;

[nw], PHP Inside, . ;

[Dallas];

;

http://phpclub.ru

, ;

[kosmonavt], http://kosmo.wmaster.ru, .

[nw].

! :http://mag.phpclub.ru

[email protected]

http://phpclub.ru/talk

62

PHP Inside 3

( )

63

Smarty - MySQL PHP: , XML- PostgreSQL? PEAR I. -

Documents

#3, Май'2004 :: Спецвыпуск. PHPConf 2004