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Update 'abstract' section.

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Sebastian Bergmann 2003-03-07 05:19:19 +00:00
parent 3c9155e0cb
commit 63dfff02b1
1 changed files with 7 additions and 7 deletions
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14
Zend/ZEND_CHANGES
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@ -101,16 +101,17 @@ Changes in the Zend Engine 2.0
Old code that has no user-defined classes or functions named
'public', 'protected' or 'private' should run without modifications.
* Abstract Methods.
* Abstract Classes and Methods.
The Zend Engine 2.0 introduces abstract methods. An abstract
method only declares the method's signature and does not
provide an implementation.
The Zend Engine 2.0 introduces abstract classes and methods. An
abstract method only declares the method's signature and does not
provide an implementation. A class that contains abstract methods
needs to be declared abstract.
Example:
<?php
class AbstractClass {
abstract class AbstractClass {
abstract public function test();
}
@ -124,8 +125,7 @@ Changes in the Zend Engine 2.0
$o->test();
?>
A class containing abstract methods may be instantiated, but
calling its abstract methods will result in an error.
Abstract classes cannot be instantiated.
Old code that has no user-defined classes or functions named
'abstract' should run without modifications.