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| -rw-r--r-- | Zend/ZEND_CHANGES | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/Zend/ZEND_CHANGES b/Zend/ZEND_CHANGES index 579a787a04..2402033862 100644 --- a/Zend/ZEND_CHANGES +++ b/Zend/ZEND_CHANGES @@ -184,6 +184,38 @@ Changes in the Zend Engine 2.0 Old code that has no user-defined classes or functions named 'interface' or 'implements' should run without modifications. + + An interface may extend one or more base interfaces (but not + implement them). Neither a class nor an interface can inherit + methods of the same name from different root interfaces. + + Example: + + <?php + interface Printable { + function dump(); + } + + interface Streamable { + function writeToStream(); + static function readFromStream(); + } + + class PrintableExample implements Printable, Streamable { + public function dump() { + // ... + } + function writeToStream() { + // ... + } + static function readFromStream() { + // ... + } + } + ?> + + A class that does not implement all interface methods must be + declared as an abstract class. * Class Type Hints. |