Description
Since PHP 8.0, throw can also be used as an
expression1.
Syntax
// This was previously not possible since arrow functions only accept a single expression while throw was a statement.
$callable = fn() => throw new Exception();
// $value is non-nullable.
$value = $nullableValue ?? throw new InvalidArgumentException();
// $value is truthy.
$value = $falsableValue ?: throw new InvalidArgumentException();
// $value is only set if the array is not empty.
$value = !empty($array)
? reset($array)
: throw new InvalidArgumentException();
$condition && throw new Exception();
$condition || throw new Exception();
$condition and throw new Exception();
$condition or throw new Exception();