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                <?php  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                namespace Helix\Site;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use RuntimeException;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Throwable;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * An HTTP error with a user friendly message.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                class HttpError extends RuntimeException  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    const MESSAGES = [  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        400 => 'Bad Request',  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        401 => 'Unauthorized',  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        402 => 'Payment Required',  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        403 => 'Forbidden',  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        404 => 'Not Found',  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        405 => 'Method Not Allowed',  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        406 => 'Not Acceptable',  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        407 => 'Proxy Authentication Required',  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        408 => 'Request Timeout',  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        409 => 'Conflict',  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        410 => 'Gone',  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        411 => 'Length Required',  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        412 => 'Precondition Failed',  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        413 => 'Payload Too Large',  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        414 => 'URI Too Long',  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        415 => 'Unsupported Media Type',  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        416 => 'Range Not Satisfiable',  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        417 => 'Expectation Failed',  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        418 => "I'm a teapot", // RFC 2324  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        422 => 'Unprocessable Entity', // WebDAV; RFC 4918  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        423 => 'Locked', // WebDAV; RFC 4918  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        424 => 'Failed Dependency', // WebDAV; RFC 4918  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        428 => 'Precondition Required', // RFC 6585  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        429 => 'Too Many Requests', // RFC 6585  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        431 => 'Request Header Fields Too Large', // RFC 6585  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        451 => 'Unavailable For Legal Reasons', // Internet draft  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        500 => 'Internal Server Error',  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        501 => 'Not Implemented',  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        502 => 'Bad Gateway',  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        503 => 'Service Unavailable',  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        504 => 'Gateway Timeout',  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        506 => 'Variant Also Negotiates', // RFC 2295  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        507 => 'Insufficient Storage', // WebDAV; RFC 4918  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        508 => 'Loop Detected', // WebDAV; RFC 5842  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        510 => 'Not Extended', // RFC 2774  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    ];  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param int $code `4xx|5xx`  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param null|string $message Defaults to the standard description.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param Throwable|null $previous  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                     */  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    public function __construct(int $code, string $message = null, Throwable $previous = null)  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    { | 
            
            
                                                                        
                            
            
                                    
            
            
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                        $message = $message ?? self::MESSAGES[$code] ?? '';  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        parent::__construct($message, $code, $previous);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                }  | 
            
            
                                                        
            
                                    
            
            
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