PetCheck

petcheck.php

<?php

if (empty($argv[1])) {
  die("\nPetCheck Test App\n----------------------\nType an argument after the script name"
        . " to determine if it's an int or double.\n\n");
}

$in = $argv[1];

if ($in === strval(intval($in))) {
  die("$in is an INT\n");
} elseif ($in === strval(floatval($in))) {
  die("$in is a DOUBLE\n");
} else {
  die("$in is not an INT or a DOUBLE\n");
}