Lingkaran
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<?php
class Lingkaran {
private $jariJari;
private $phi = 3.14;
public function keliling($jariJari) {
$this->jariJari = $jariJari;
$keliling = $this->phi * 2 * $this->jariJari;
return $keliling;
}
public function luas($jariJari) {
$this->jariJari = $jariJari;
$luas = $this->phi * ($this->jariJari * $this->jariJari);
return $luas;
}
}
$lingkaranSatu = new Lingkaran();
$jariJari = 7;
echo "Keliling Lingkaran = {$lingkaranSatu->keliling($jariJari)}\n";
echo "Luas Lingkaran = {$lingkaranSatu->luas($jariJari)}\n";
Php
INFO