/PHP/What is the purpose of an abstract?

What is the purpose of an abstract?

abstract class AbstractDonater
{
    public function donateMinimum(): void
    {
        // this method can be complex
        $minimum = 10;
        $this->donate($minimum)
    }
    abstract protected function donate(int $money);
} 

class ConcreteDonaterOne 
{
    protected function donate(int $money)
    {
        $donateProvider = new PlayPal();
        $donateProvider->pay($money);
    }
}

class ConcreteDonaterTwo 
{
    protected function donate(int $money)
    {
        $donateProvider = new Scribe();
        $donateProvider->transfer($money);
    }
}
$donaters = [
    new ConcreteDonaterOne(),
    new ConcreteDonaterTwo(),

];

foreach ($donaters as $donater)
{
    $donater->donateMinimum();
}

Source: stackoverflow.com

Similar codes

4 votes170 views4 answers
Laravel sum relationship column
PHP
0 vote160 views2 answers
Laravel pagination vuetify
PHP Laravel
1 vote142 views2 answers
Laravel log to console
PHP
0 vote105 views1 answer
Wordpress create post programmatically
PHP
-1 vote221 views1 answer
Wordpress popular posts query
PHP Wordpress
5 votes160 views2 answers
How to make model and controller in laravel
PHP Laravel
6 votes148 views4 answers
Unique check with multiple columns laravel validation
PHP
0 vote258 views7 answers
Python to php converter online
PHP
100 votes210 views6 answers
Strpos php
PHP
1 vote157 views2 answers
M
PHP