What are the common reasons for a "Fatal error: Cannot access protected property" message in PHP classes?

The "Fatal error: Cannot access protected property" message in PHP classes typically occurs when trying to access a protected property from outside the class or its subclasses. To solve this issue, you can either change the property visibility to public or create a getter method within the class to retrieve the value of the protected property. 

class MyClass {
    protected $myProperty;

    public function getMyProperty() {
        return $this->myProperty;
    }
}

$obj = new MyClass();
echo $obj->getMyProperty();

Keywords

Fatal error Cannot access protected property PHP classes

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