- var_dump: documentation ( source)
- define: documentation ( source)
<?php
$valueOfTrue = 0; // this was coming from config in real-world.
$valueOfFalse = 1; // Same here. ^
define('TRUE', $valueOfTrue);
define('FALSE', $valueOfFalse);
var_dump(TRUE, FALSE); // Happy debugging...
if (TRUE) {
echo 'yay';
}