関西PHP勉強会 php5.4つまみぐい

ABOUT ME

• ( )

• @tanakahisateru

• https://github.com/tanakahisateru

• Firebug, FireCookie, jEdit

• ...and Pinoco

• PHP5.4

• Array Short Syntax

• Built-in Server

• Trait

• Closure

•

PHP5.4

Graham ( @predominant )
:)
http://tipshare.info/view/
4ec326d04b2122ce49000000

PHP 5.4 RC1 (2011/11/11)

• http://www.php.net/archive/2011.php#id2011-11-11-1

PHP
PHP 5.4
http://www.1x1.jp/blog/
2011/06/
try_new_php_without_update
_current_version.html

conﬁgure make

• Windows

• http://windows.php.net/qa/

• Mac

• XCode + MacPorts or Homebrew

• Linux

•

% curl -o php-5.4.0RC1.tar.gz http://downloads.php.net/stas/
php-5.4.0RC1.tar.gz
% tar xzf php-5.4.0RC1.tar.gz
% cd php-5.4.0RC1
% ./configure
--prefix=/opt/local/php/5.4
--bindir=/opt/local/bin
--with-config-file-path=/opt/local/php/5.4/etc
--with-config-file-scan-dir=/opt/local/php/5.4/var/db
--mandir=/opt/local/php/5.4/share/man
--infodir=/opt/local/php/5.4/share/info
--program-suffix=-5.4
--with-apxs2=/opt/local/apache2/bin/apxs
( https://gist.github.com/1344162 )
% make

(make install)
sapi/cli/php

conﬁgure

PHP

% sapi/cli/php -v
PHP 5.4.0RC1 (cli) (built: Nov 23 2011 23:08:40)
Copyright (c) 1997-2011 The PHP Group
Zend Engine v2.4.0, Copyright (c) 1998-2011 Zend
Technologies

% sapi/cli/php -a
Interactive shell

php >

php > echo “Hello Worldn”;
Hello World

php > print_r(array_map(function($x){ return $x * 2; },
range(0,9)));
Array
(
[0] => 0
[1] => 2
[2] => 4
[3] => 6
[4] => 8
[5] => 10
[6] => 12
[7] => 14
[8] => 16
[9] => 18
) :
php > echo 0xff == 0b11111111, "n";
1

array(‘a’=>1, ‘b’=>2)

[‘a’=>1, ‘b’=>2]

@rsky

https://wiki.php.net/rfc/
shortsyntaxforarrays

var $belongsTo = array(
! 'User'
);
var $hasMany = array(
'Photo' => array(
'order' => 'number'
)
);

var $belongsTo = [
! 'User'
];
var $hasMany = [
'Photo' => [
'order' => 'number'
]
];

$this->render('list', array(
'posts' => Post::find(array(
'limit' => Config::get('postsPerPage',
array('context'=>'blog', 'default'=>10)),
))
));

?
$this->render('list', [
'posts' => Post::find([
['context'=>'blog', 'default'=>10]),
])
]);

))
));

])
]);

))
));

])
]);

Array

))
));

])
]);

[ ... ]

ARRAY SHORT SYNTAX

• →

•

• PHP

• Array

ARRAY SHORT SYNTAX

• PHP array YAML

• PHP

% sapi/cli/php -S localhost:8080

• Javascript Flash ﬁle:// API
→ PHP5.4

• Apache

• PHP

PHP
% sapi/cli/php -S localhost:8080 builtin-server.php

list($path, $param) = array_merge(
preg_split('/?/', $_SERVER['REQUEST_URI'], 2), ['', '']
);
if($path != '/' && (file_exists('app/webroot' . $path)))
{
header(sprintf('Location: http://%s/app/webroot%s',
$_SERVER['HTTP_HOST'], $_SERVER['REQUEST_URI'])); exit;
}
else if($path != '/' && (file_exists('./' . $path)))
{
return false;
}
else
{
$_SERVER['PATH_INFO'] = $path;
require 'app/webroot/index.php';
}

% ~/php54/php-5.4.0RC1/sapi/cli/php -S localhost:8080
builtin-server.php

PHP 5.4.0RC1 Development Server started at Thu Nov 24 02:11:37 2011
Listening on localhost:8080
Document root is /Users/tanakahisateru/Sites/cakephp2
Press Ctrl-C to quit.
[Thu Nov 24 02:11:42 2011] ::1:63556 [200]: /app/webroot/css/cake.generic.css
[Thu Nov 24 02:11:42 2011] ::1:63557 [200]: /app/webroot/img/cake.power.gif
[Thu Nov 24 02:11:42 2011] ::1:63558 [200]: /app/webroot/img/cake.icon.png
[Thu Nov 24 02:11:42 2011] ::1:63564 [200]: /app/webroot/favicon.ico

MacPorts MySQL
php.ini
% ~/php54/php-5.4.0RC1/ sapi/cli/php -c ~/php54/
php-5.4.0RC1/ -S localhost:8080 builtin-server.php

~/php54/php-5.4.0RC1/php.ini
[Pdo_mysql]
pdo_mysql.default_socket=/opt/local/var/run/mysql5/mysqld.sock

MySQL

BUILT-IN SERVER

• URL
OK

• Apache

• PHP5.3
Apache
mod_php PHP5.4

TRAIT

•

• Ruby mixin

• PHP (instanceof )

•

1
INCLUDE / REQUIRE

•

• HTML

• /

2

•

•

• class AppModel extends Model
class GuestUser extends AppModel
class AdminUser extends AppModel
User

class AppModel extends Model {
}

class GuestUser extends AppModel {
public function getDisplayLabel() {
...;
}
} !!
class AdminUser extends AppModel {
...;
}
public function getAdminRioleType() {
...;
}
}

...;
}
}

}

public function getAdminRioleType() {
...;
}
}

return $this->username . “ ”;
}
}

}

public function getAdminRoleType() {
...;
}
}

class Comment extends AppModel {
// username ←
}

UserModel.inc
}

require ‘UserModel.inc’;
}

require ‘UserModel.inc’;
...;
}
}

} ...
require = orz

trait UserModel {
}
}

use UserModel;
}

use UserModel;
...;
}
}

}

trait PersistentModel {
public function save() {
} =
}

abstract class User { =
}
}

class GuestUser extends User inplements Persistence {
use PersistentModel;
}

class AdminUser extends User inplements Persistence {
use PersistentModel;
...;
}
}

call_user_func
php > $fun = 'intval';
php > echo call_user_func($fun, "0001abc"), "n";
1
php > echo is_callable($fun), "n";
1
php > echo is_string($fun), "n";
1

php > echo $fun("0001abc"), "n";
1

call_user_func array
php > $obj = new Exception('hoge');
php > $msg = [$obj, 'getMessage'];
php > echo call_user_func($msg), "n";
hoge
php > echo is_callable($msg), "n";
1
php > echo is_array($msg), "n";
1

php > echo $msg(), "n";
hoge

php > echo $closure(), "n"; //

string array
↓
is_callable
Array

PHP5.3
<?php
class CounterFactory {
function __construct($init) {
$this->init = $init;
}
function createCounter() {
$c = 0;
return function() use(&$c) {
return $this->init + ($c++);
};
}
}
$fact = new CounterFactory(100);
$c1 = $fact->createCounter();
echo "c1:", $c1(), "n"; echo "c1:", $c1(), "n";
echo "c2:", $c2(), "n"; echo "c2:", $c2(), "n";
echo "c2:", $c2(), "n"; echo "c1:", $c1(), "n";

PHP5.3
<?php
}
$c = 0;
$self = $this;
return function() use($self, &$c) {
return $self->init + ($c++);
};
}
}
echo "c1:", $c1(), "n"; echo "c1:", $c1(), "n";
echo "c2:", $c2(), "n"; echo "c2:", $c2(), "n";
echo "c2:", $c2(), "n"; echo "c1:", $c1(), "n";

PHP5.4 OK!
<?php
}
$c = 0;
};
}
}
echo "c1:", $c1(), "n"; echo "c1:", $c1(), "n";
echo "c2:", $c2(), "n"; echo "c2:", $c2(), "n";
echo "c2:", $c2(), "n"; echo "c1:", $c1(), "n";

<?php
}
$c = 0;
};
}
}
echo "c1:", $c1(), "n"; echo "c1:", $c1(), "n";
echo "c2:", $c2(), "n"; echo "c2:", $c2(), "n";
echo "c2:", $c2(), "n"; echo "c1:", $c1(), "n";

c1:100 <-- init=100 + c=0
c1:101 <-- init=100 + c=1
c2:100 <-- init=100 + c=0
c2:101 <-- init=100 + c=1
c2:102 <-- init=100 + c=2
c1:102 <-- init=100 + c=2

$THIS
<?php
}
$c = 0;
};
}
}
echo "c1:", $c1(), "n";
echo "c1:", $c1(), "n";
$c1 = $c1->bindTo(new CounterFactory(1000));
echo "c1:", $c1(), "n";

<?php
}
$c = 0;
};
}
}
echo "c1:", $c1(), "n";
echo "c1:", $c1(), "n";
$c1 = $c1->bindTo(new CounterFactory(1000));
echo "c1:", $c1(), "n";

c1:100 <-- init=100 + c=0
c1:101 <-- init=100 + c=1
c1:1002 <-- init=1000 + c=2

CLOSURE

• PHP5.4 create_function

• Javascript this

• $this $this

•

→ PHP5.3 $self bindTo PHP5.4
$this

<?php <?php
class Hoge { class Hoge {
function __construct($init) { function __construct($init) {
$this->init = $init; $this->init = $init;
} }
function x($n) { function x($n) {
$tmp = []; return array_map(
for($i=0; $i<$n; $i++) { function() {
$tmp[] = $this->init; return $this->init;
} }, range(0,$n-1)
return $tmp; );
} }
} }

print_r((new Hoge(100))->x(3)); print_r((new Hoge(100))->x(3));

PHP5.3
PHP5.4 OK

echo (new Exception("hoge"))->getMessage(), "n";

PHP5.3
PHP5.4 OK

echo range(0, 9)[5], “n”;

PHP5.4.0RC1

php > echo (array(1, 2, 3))[0], "n";
Parse error: syntax error, unexpected '[', expecting ',' or ';'
in php shell code on line 1

php > echo (function($x){ return $x * 2; })(10), "n";
Parse error: syntax error, unexpected '(', expecting ',' or ';'
in php shell code on line 1

PHP5.4

• PHP5.3

5.2

•

• Phar

• PHP5.4

関西PHP勉強会 php5.4つまみぐい

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