class Animal {

    public function makeSound() {

        echo "Some sound";

    }

}

abstract class Animal {

    public function makeSound() {

        echo "Some sound";

    }

}

abstract class Animal {

    abstract protected function makeSound();

}

class Animal {

    abstract public function makeSound();

}

abstract class Animal {

    abstract public function makeSound();

}

exec

bindValue

prepare

query

execute

fetch

new PDO()

create

exec

bindValue

prepare

query

execute

fetch

new PDO()

create

DELETE 

CREATE DATABASE

SELECT

INSERT INTO

Всі перелічені команди можуть бути виконані

exec

bindValue

prepare

query

execute

fetch

new PDO()

create

header

namespace

use

include

location

define

require 

Array ( [0] => 1 [1] => 2 [2] => 3 [3] => 4 )

Помилку

Array ( [0] => 1 [1] => 2 [2] => 3 )

Array ( [0] => 4 [1] => 1 [2] => 2 [3] => 3 )

Array ( [0] => 4 )

500

305

400

405

302

parent(__construct($params));

parent __construct($params);

parent::($params);

super($params);

__construct($params)::parent;

parent::__construct($params);

super::__construct($params);