How can traits be used in conjunction with abstract classes and interfaces in PHP?

Traits can be used in conjunction with abstract classes and interfaces in PHP to provide reusable code that can be shared among multiple classes. By using traits, we can avoid code duplication and create modular, reusable code that can be easily added to classes that need it. This allows us to separate concerns and improve code organization. 

<?php

// Define a trait with shared functionality
trait Logger {
    public function log($message) {
        echo $message;
    }
}

// Define an abstract class with abstract method
abstract class BaseClass {
    abstract public function doSomething();
}

// Implement the trait in a concrete class
class ConcreteClass extends BaseClass {
    use Logger;

    public function doSomething() {
        $this->log("Doing something...");
    }
}

// Create an instance of the concrete class
$obj = new ConcreteClass();
$obj->doSomething();

?>

Keywords

Traits abstract classes interfaces PHP inheritance

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