Online PHP editor | output for fi4t7

@ 2018-09-03T09:39:21Z

<?php

$a = true;

--$a;

if($a == true){
    
    echo "đã true";
    
}else{
    
    echo "vẫn false";
}


echo PHP_EOL.$a.PHP_EOL;

$b = null;

echo ++$b;

eol versions

based on WngM8