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What is the purpose of an abstract?

Clumsy Chinchilla answered on April 18, 2021 Popularity 10/10 Helpfulness 1/10

answer What is the purpose of an abstract?

What is the purpose of an abstract?

Comment

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();
}

Popularity 10/10 Helpfulness 1/10 Language php

Source: stackoverflow.com

Tags: php

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