Blog example juggling 2

juggle_balls_2.php

<?php
  // balls becomes an INT
  $balls = 1;
  // truthy check (any INTEGER > 0 will be true)
  if ($balls) {
    $balls += 1;
  }
  // truthy check: $balls is an INTEGER at this point
  if ($balls) {
    $balls = true;
  }
  // $balls can be literally anything other than false
  if ($balls != false) {
    $balls = 'AlwaysBlue';
  }
  // outputs: AlwaysBlue (STRING)
  echo $balls;
?>