slim exception handling checker.php

<?php

$app->get('/exception', function ($req, $res, $args) {
    // errorHandler will trap this Exception
    throw new Exception("An error happened here");
});
$app->get('/php7', function ($req, $res, $args) {
    $x = function (int $x) {
        return $x;
    };

    // phpErrorHandler wil trap this Error
    $x('test');
});
$app->get('/warning', function ($req, $res, $args) {
    $x = UNDEFINED_CONSTANT;
    echo "string";
});

?>