{{PHP}} PHP inherited access Control _php tutorial

{{PHP}} Access Control for PHP inheritance

When it comes to inheritance, you have to mention access control. Inheritance has different performance under different access control permissions. In the case of member methods, we can use the private and protected access modifiers to control what needs to be inherited.

Private if a member is specified as private, it cannot be inherited. In fact, in PHP this method will be inherited, but not accessible.
Protected if a member is specified as protected, it will not be visible outside the class and can be inherited.

See an example of PHP:

Class Base {
Private Function Privatemethod () {
}
}

Class Child extends base{
Public Function Publicmethod () {
}
}

$c = new Child ();

if (method_exists ($c, ' Privatemethod ')) {
Echo 1;
}else{
echo 0;
}

Author: bill200711022

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