Use PascalCase for class names

Class names must be written in PascalCase.

Example

Bad

class mySUPERclass { ... }

Good

class MySuperClass { ... }

Do not use final statements inside final classes

Final classes cannot be extended, so it doesn't make sense to add the final keyword to class members.

Example

Bad

final class MyClass {
    final public function MyFunction() {

    }
}

Good (remove the final keyword from class members)

final class MyClass {
    public function MyFunction() {

    }
}

It doesn't make sense to override a method only to call their parent. When overriding methods, make sure to add some functionality to it.

Example

Bad

class MyClass extends BaseClass {
    public function BaseFunction() {
        parent::BaseFunction();
    }
}

Good (don't override the function)

class MyClass extends BaseClass {

}

When declaring abstract and final functions, the visibility (scope) must follow after abstract or final.

Example

Bad

class MyClass extends BaseClass {
    public abstract function AbstractFunction() { }
    public final function FinalFunction() { }
}

Good (abstract and final before public)

class MyClass extends BaseClass {
    abstract public function AbstractFunction() { }
    final public function FinalFunction() { }
}

The static keyword must come after the visibility (scope) parameter.

Example

Bad

class MyClass extends BaseClass {
    static public function StaticFunction() { }
}

Good (static after public)

class MyClass extends BaseClass {
    public static function StaticFunction() { }
}

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