What are the implications of not using access modifiers (private, protected, public) in PHP class properties?

Not using access modifiers in PHP class properties can lead to potential security risks and make the code harder to maintain. It is best practice to explicitly define the visibility of class properties using access modifiers (private, protected, public) to control how they can be accessed and modified. 

class Example {
    private $privateProperty;
    protected $protectedProperty;
    public $publicProperty;
}

Keywords

access modifiers PHP class properties encapsulation visibility object-oriented programming

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