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<!DOCTYPE html>
<html>
<body>
<?php
trait message1 {
  public function msg1() {
    echo "OOP is fun! "; 
  }
}
trait message2 {
  public function msg2() {
    echo "OOP reduces code duplication!"; 
  }
}
class Welcome {
  use message1;
}
class Welcome2 {
  use message1, message2;
}
$obj = new Welcome();
$obj->msg1();
echo "<br>";
$obj2 = new Welcome2();
$obj2->msg1();
$obj2->msg2();
?>
 
</body>
</html>
OOP is fun!
OOP is fun! OOP reduces code duplication!