Новое в PHP 5

<?php 
class Person { var ; function getName() { return ->name; } function setName() { ->name = ; } function Person() { ->setName(); } 
} 

function changeName(, ) { ->setName(); 
} 

= new Person("Andi"); 
changeName(, "Stig"); 
print ->getName(); 
?> 

<?php 
class MyClass { private = 18; 
 public function getId() { return ->id; } 
} 
?> 

<?php 
class MyClass { function _construct() { print "Inside constructor"; } 
} 
?> 

<?php 
class MyClass { function _destruct() { print "Destroying object"; } 
} 
?> 

<?php 
interface Display { function display(); 
} 

class Circle implements Display { function display() { print "Displaying circle "; } 
} 
?> 

<?php 
if ( instance of Circle) { print ' is a Circle'; 
} 
?> 
Метод final 

Ключевое слово final позволяет вам помечать методы, чтобы наследующий класс не мог перегрузить их. 

<?php 
class MyClass { final function getBaseClassName() { return _CLASS_; } 
} 
?> 

<?php 
final class FinalClass { 
} 

class BogusClass extends FinalClass { 
} 
?> 

<?php 
class MyClass { function _clone() { print "Object is being cloned"; } 
} 
= new MyClass(); 
clone ; 
?> 

<?php 
class MyClass { const SUCCESS = "Success"; const FAILURE = "Failure"; 
} 
print MyClass::SUCCESS; 
?> 

<?php 
class Singleton { static private = NULL; 
 private function _construct() { } 
 static public function getInstance() { if (self:: == NULL) { self:: = new Singleton(); } return self::; } 
} 
?> 

<?php 
class MyClass { static function helloWorld() { print "Hello, world"; } 
} 
MyClass::helloWorld(); 
?> 

<?php 
abstract class MyBaseClass { function display() { print "Default display routine being called"; } 
} 
?> 

<?php 
abstract class MyBaseClass { abstract function display(); 
} 
?> 

<?php 
function expectsMyClass(MyClass ) { 

} 
?> 

<?php 
= ->method(); 
->method2(); 
?> 

<?php 
->method()->method2(); 
?> 

<?php 
= new MyIteratorImplementation(); 
foreach ( as ) { print ""; 
} 
?> 

<?php 
function _autoload() { include_once( . "php"); 
} 
 = new MyClass1(); 
= new MyClass2(); 
?> 

<?php 
class SQLException extends Exception { public ; function _construct() { ->problem = ; } 
} 

try { ... throw new SQLException("Couldn't connect to database"); ... 
} catch (SQLException ) { print "Caught an SQLException with problem ->problem"; 
} catch (Exception ) { print "Caught unrecognized exception"; 
} 
?> 

<?php 
foreach ( as &) { if ( === "NULL") { = NULL; } 
} 
?> 

<?php 
function my_func(& = null) { if ( === NULL) { print ' is empty'; } 
} 
my_func(); 

?> 

<clients> 
<client> <name>John Doe</name> <account_number>87234838</account_number> 
</client> 
<client> <name>Janet Smith</name> <account_number>72384329</account_number> 
</client> 
</clients> 

<?php 
= simplexml_load_file('clients.xml'); 
foreach (->client as ) { print "->name has account number ->account_number "; 
} 
?> 

<?php 
= new SoapClient("some.wsdl"); 
->SomeFunction(, , ); 
?>