<?php

$arr = array("a"=>"b");
echo $arr;

print $arr;
//class T {
//    public function A(array $a){
//        echo ($a["halo"]);
//    }
//}

//$arr = ["halo" => "abc"];

//$t = new T();
//$t->A($arr);

//echo (json_encode($arr));
//echo($arr);