Catch a type error either as a type error, an error, or a throwable

catch_as_type_error_error_or_throwable.php

<?php
function double(int $argument):int {
    return $argument*2;
}

try {
    var_dump(double([3]));
} catch (TypeError $e) {
    echo "Caught as type error: ".$e->getMessage().PHP_EOL;
}

try {
    var_dump(double([3]));
} catch (Error $e) {
    echo "Caught as error: ".$e->getMessage().PHP_EOL;
}

try {
    var_dump(double([3]));
} catch (Throwable $e) {
    echo "Caught as throwable: ".$e->getMessage().PHP_EOL;
}