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<title>final methods</title>
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class_final_method.php
<?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";
// }
}
// Results in Fatal error: Cannot override final method BaseClass::moreTesting()
?>
<br> When and how to use final method<br>
<?php
class A {
public function someMethod() { echo "<br>do something <br>"; }
}
class B extends A {
public final function someMethod() { echo"do something else as a final option"; } //override parent function
}
$c = new A();
$c->someMethod();
$c1= new B();
$c1->someMethod(); //call the override function in chield class
?>
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