<?php
class Poster {
	public $question = "Друзья, помогите 27-летнему вкатывальщику.";
	public $answer = "";
	
	public function __construct(){
		$booleans = [true, false];
		$this->answer = $booleans[rand(0,1)];
	}
}
 
$array = [
  new Poster,
  new Poster,
  new Poster,
  new Poster,
  new Poster,
  new Poster
];
 
foreach($array as $object) {
	if ($object->answer === true) {
		print "например принт\n";
	} else {
		echo "например эхо\n";
	}
}