trait.php

<?php
trait A {
	
    public function smallTalk() {
        echo 'a';
    }
    
    public function bigTalk() {
        echo 'A';
    }
}

trait B {
    public function smallTalk() {
        echo 'b';
    }
    public function bigTalk() {
        echo 'B';
    }
}

class Aliased_Talker {
    use A, B {
    
        B::smallTalk insteadof A;
        A::bigTalk insteadof B;
    }
}

$b = new Aliased_Talker();
$b->smallTalk();
?>