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Tutorials › CodeIgniter 4 › CI4 Custom Exceptions

CI4 Custom Exceptions

5 min read
Create domain exception classes and a global exception handler for clean API error responses.

Custom Exceptions

namespace App\Exceptions;

class NotFoundException extends \RuntimeException {
    public static function forPost(int $id): static {
        return new static("Post #" . $id . " not found", 404);
    }
}

// Throw
throw NotFoundException::forPost($id);