PHP private Keyword

Example

Use private to prevent outside code or derived classes from modifying a property:

<?php
class MyClass {
private $number = 0;

public function add1() {
$this->number++;
}

public function getNumber() {
return $this->number;
}
}

$obj = new MyClass();
$obj->add1();
echo "The number is " . $obj->getNumber();
?>

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Definition and Usage

The private keyword is an access modifier. It marks a property or method as private.

Private properties and methods can only be used by the class in which the property or method was defined. Derived classes and outside code cannot use them.

The protected keyword

The public keyword

Learn more about access modifiers in our PHP OOP - Access Modifiers Tutorial.

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PHP private Keyword

Example

Definition and Usage

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