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final.php

2016-05-10 09:39 821 查看

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">

<html>

<head>

<title> final.php </title>

<meta charset="UTF-8">

<meta name="Author" content="">

<meta name="Keywords" content="">

<meta name="Description" content="">

</head>

<body>

<?php

class BaseClass {

public function test() {

    echo "BaseClass::test() called\n";

}

final public function moreTesting() {

    echo "BaseClass::moreTesting() called\n";

}

}

class ChildClass extends BaseClass {

public function moreTesting() {

     echo "ChildClass::moreTesting() called\n";

}

}

// 产生错误Fatal error: Cannot override final method BaseClass::moreTesting()

?>

</body>

</html>

( ! ) Fatal error: Cannot override final method BaseClass::moreTesting() in D:\LearnWebDevelop\php\MyPhpExse\final.php on line 27

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