Code

<?php
//abstract_class_reflection.php
abstract class Members
{
// Forceing an extended class to define these method method
abstract protected function simple_test();
abstract protected function param_test($data);
}
?>

<?php
require_once 'abstract_class_reflection.php';
class Test1 extends Members
{
// now we use public for protected method
public function simple_test()
{
echo "<br/> I did not vote republican party";
}
public function param_test($data)
{
echo "<br/> valid id $data";
}
}

class Test2 extends Members
{
public function simple_test()
{
echo "<br/> I did not vote democratic party";
}
public function param_test($data)
{
echo "<br/> valid id $data";
}
}
//
$obj1 = new Test1();
$obj1->simple_test();
$obj1->param_test(12345);
//
$obj2 = new Test2();
$obj2->simple_test();
$obj2->param_test(56789);
?>

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