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                <?php  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                declare(strict_types=1);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                namespace Patoui\Router;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Psr\Http\Message\ServerRequestInterface;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Psr\Http\Message\StreamInterface;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Psr\Http\Message\UriInterface;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use InvalidArgumentException;  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                class ServerRequest implements ServerRequestInterface  | 
            
            
                                                                        
                            
            
                                    
            
            
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                { | 
            
            
                                                                        
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * @var string Represent the HTTP version number (e.g., "1.1", "1.0")  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    private $version;  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    public function __construct(string $version = '1.1', $headers = [])  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $this->validateProtocolVersion($version);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $this->validateHeaders($headers);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $this->version = $version;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $this->headers = $headers;  | 
            
                            
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                    }  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * Retrieves the HTTP protocol version as a string.  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     *  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * The string MUST contain only the HTTP version number (e.g., "1.1", "1.0").  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     *  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * @return string HTTP protocol version.  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function getProtocolVersion()  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        return $this->version;  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                    }  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * Return an instance with the specified HTTP protocol version.  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     *  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * The version string MUST contain only the HTTP version number (e.g.,  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * "1.1", "1.0").  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     *  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * This method MUST be implemented in such a way as to retain the  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * immutability of the message, and MUST return an instance that has the  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * new protocol version.  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     *  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * @param  string  $version  HTTP protocol version  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * @return static  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function withProtocolVersion($version) : self  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $this->validateProtocolVersion($version);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        return new static($version);  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                    }  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * Verifies the protocol version  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     *  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * @throws InvalidArgumentException  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * @param  string  $version The version string MUST contain only the HTTP  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * version number (e.g., "1.1", "1.0").  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    private function validateProtocolVersion(string $version) : void  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        if (! in_array($version, ['1.1', '2.0'])) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            throw new InvalidArgumentException("Invalid HTTP version: {$version}"); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        }  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                    }  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * Retrieves all message header values.  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     *  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * The keys represent the header name as it will be sent over the wire, and  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * each value is an array of strings associated with the header.  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     *  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     *     // Represent the headers as a string  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     *     foreach ($message->getHeaders() as $name => $values) { | 
            
            
                                                                        
                            
            
                                    
            
            
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                     *         echo $name . ": " . implode(", ", $values); | 
            
            
                                                                        
                            
            
                                    
            
            
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                     *     }  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     *  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     *     // Emit headers iteratively:  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     *     foreach ($message->getHeaders() as $name => $values) { | 
            
            
                                                                        
                            
            
                                    
            
            
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                     *         foreach ($values as $value) { | 
            
            
                                                                        
                            
            
                                    
            
            
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                     *             header(sprintf('%s: %s', $name, $value), false); | 
            
            
                                                                        
                            
            
                                    
            
            
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                     *         }  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     *     }  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     *  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * While header names are not case-sensitive, getHeaders() will preserve the  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * exact case in which headers were originally specified.  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     *  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * @return string[][] Returns an associative array of the message's headers. Each  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     *     key MUST be a header name, and each value MUST be an array of strings  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     *     for that header.  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function getHeaders()  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        return $this->headers;  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                    }  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * Checks if a header exists by the given case-insensitive name.  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     *  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * @param  string  $name  Case-insensitive header field name.  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * @return bool Returns true if any header names match the given header  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     *     name using a case-insensitive string comparison. Returns false if  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     *     no matching header name is found in the message.  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function hasHeader($name)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        return array_key_exists(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            mb_strtoupper($name),  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            array_change_key_case($this->headers, CASE_UPPER)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        );  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                    }  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * Retrieves a message header value by the given case-insensitive name.  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     *  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * This method returns an array of all the header values of the given  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * case-insensitive header name.  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     *  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * If the header does not appear in the message, this method MUST return an  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * empty array.  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     *  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * @param  string  $name  Case-insensitive header field name.  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * @return string[] An array of string values as provided for the given  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     *    header. If the header does not appear in the message, this method MUST  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     *    return an empty array.  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function getHeader($name)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $name = mb_strtoupper($name);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $headers = array_change_key_case($this->headers, CASE_UPPER);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    138
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    139
                 | 
                                    
                                                     | 
                
                 | 
                        if (array_key_exists($name, $headers) === false) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    140
                 | 
                                    
                                                     | 
                
                 | 
                            return [];  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    141
                 | 
                                    
                                                     | 
                
                 | 
                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    142
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    143
                 | 
                                    
                                                     | 
                
                 | 
                        return $headers[$name];  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
                | 
                    144
                 | 
                                    
                                                     | 
                
                 | 
                    }  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    145
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    146
                 | 
                                    
                                                     | 
                
                 | 
                    /**  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    147
                 | 
                                    
                                                     | 
                
                 | 
                     * Retrieves a comma-separated string of the values for a single header.  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    148
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    149
                 | 
                                    
                                                     | 
                
                 | 
                     * This method returns all of the header values of the given  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    150
                 | 
                                    
                                                     | 
                
                 | 
                     * case-insensitive header name as a string concatenated together using  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    151
                 | 
                                    
                                                     | 
                
                 | 
                     * a comma.  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    152
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    153
                 | 
                                    
                                                     | 
                
                 | 
                     * NOTE: Not all header values may be appropriately represented using  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    154
                 | 
                                    
                                                     | 
                
                 | 
                     * comma concatenation. For such headers, use getHeader() instead  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    155
                 | 
                                    
                                                     | 
                
                 | 
                     * and supply your own delimiter when concatenating.  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    156
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    157
                 | 
                                    
                                                     | 
                
                 | 
                     * If the header does not appear in the message, this method MUST return  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    158
                 | 
                                    
                                                     | 
                
                 | 
                     * an empty string.  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    159
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    160
                 | 
                                    
                                                     | 
                
                 | 
                     * @param  string  $name  Case-insensitive header field name.  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    161
                 | 
                                    
                                                     | 
                
                 | 
                     * @return string A string of values as provided for the given header  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    162
                 | 
                                    
                                                     | 
                
                 | 
                     *    concatenated together using a comma. If the header does not appear in  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    163
                 | 
                                    
                                                     | 
                
                 | 
                     *    the message, this method MUST return an empty string.  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    164
                 | 
                                    
                                                     | 
                
                 | 
                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    165
                 | 
                                    
                                                     | 
                
                 | 
                    public function getHeaderLine($name)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    166
                 | 
                                    
                                                     | 
                
                 | 
                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    167
                 | 
                                    
                                                     | 
                
                 | 
                        // TODO: Implement getHeaderLine() method.  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
                | 
                    168
                 | 
                                    
                                                     | 
                
                 | 
                    }  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    169
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    170
                 | 
                                    
                                                     | 
                
                 | 
                    /**  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    171
                 | 
                                    
                                                     | 
                
                 | 
                     * Return an instance with the provided value replacing the specified header.  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    172
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    173
                 | 
                                    
                                                     | 
                
                 | 
                     * While header names are case-insensitive, the casing of the header will  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    174
                 | 
                                    
                                                     | 
                
                 | 
                     * be preserved by this function, and returned from getHeaders().  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    175
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    176
                 | 
                                    
                                                     | 
                
                 | 
                     * This method MUST be implemented in such a way as to retain the  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    177
                 | 
                                    
                                                     | 
                
                 | 
                     * immutability of the message, and MUST return an instance that has the  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    178
                 | 
                                    
                                                     | 
                
                 | 
                     * new and/or updated header and value.  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    179
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    180
                 | 
                                    
                                                     | 
                
                 | 
                     * @param  string  $name  Case-insensitive header field name.  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    181
                 | 
                                    
                                                     | 
                
                 | 
                     * @param  string|string[]  $value  Header value(s).  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    182
                 | 
                                    
                                                     | 
                
                 | 
                     * @return static  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    183
                 | 
                                    
                                                     | 
                
                 | 
                     * @throws \InvalidArgumentException for invalid header names or values.  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    184
                 | 
                                    
                                                     | 
                
                 | 
                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    185
                 | 
                                    
                                                     | 
                
                 | 
                    public function withHeader($name, $value)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    186
                 | 
                                    
                                                     | 
                
                 | 
                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    187
                 | 
                                    
                                                     | 
                
                 | 
                        // TODO: Implement withHeader() method.  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
                | 
                    188
                 | 
                                    
                                                     | 
                
                 | 
                    }  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    189
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    190
                 | 
                                    
                                                     | 
                
                 | 
                    /**  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    191
                 | 
                                    
                                                     | 
                
                 | 
                     * Return an instance with the specified header appended with the given value.  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    192
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    193
                 | 
                                    
                                                     | 
                
                 | 
                     * Existing values for the specified header will be maintained. The new  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    194
                 | 
                                    
                                                     | 
                
                 | 
                     * value(s) will be appended to the existing list. If the header did not  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    195
                 | 
                                    
                                                     | 
                
                 | 
                     * exist previously, it will be added.  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    196
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    197
                 | 
                                    
                                                     | 
                
                 | 
                     * This method MUST be implemented in such a way as to retain the  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    198
                 | 
                                    
                                                     | 
                
                 | 
                     * immutability of the message, and MUST return an instance that has the  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    199
                 | 
                                    
                                                     | 
                
                 | 
                     * new header and/or value.  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    200
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    201
                 | 
                                    
                                                     | 
                
                 | 
                     * @param  string  $name  Case-insensitive header field name to add.  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    202
                 | 
                                    
                                                     | 
                
                 | 
                     * @param  string|string[]  $value  Header value(s).  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    203
                 | 
                                    
                                                     | 
                
                 | 
                     * @return static  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    204
                 | 
                                    
                                                     | 
                
                 | 
                     * @throws \InvalidArgumentException for invalid header names or values.  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    205
                 | 
                                    
                                                     | 
                
                 | 
                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    206
                 | 
                                    
                                                     | 
                
                 | 
                    public function withAddedHeader($name, $value)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    207
                 | 
                                    
                                                     | 
                
                 | 
                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    208
                 | 
                                    
                                                     | 
                
                 | 
                        // TODO: Implement withAddedHeader() method.  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
                | 
                    209
                 | 
                                    
                                                     | 
                
                 | 
                    }  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    210
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    211
                 | 
                                    
                                                     | 
                
                 | 
                    /**  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    212
                 | 
                                    
                                                     | 
                
                 | 
                     * Return an instance without the specified header.  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    213
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    214
                 | 
                                    
                                                     | 
                
                 | 
                     * Header resolution MUST be done without case-sensitivity.  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    215
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    216
                 | 
                                    
                                                     | 
                
                 | 
                     * This method MUST be implemented in such a way as to retain the  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    217
                 | 
                                    
                                                     | 
                
                 | 
                     * immutability of the message, and MUST return an instance that removes  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    218
                 | 
                                    
                                                     | 
                
                 | 
                     * the named header.  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    219
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    220
                 | 
                                    
                                                     | 
                
                 | 
                     * @param  string  $name  Case-insensitive header field name to remove.  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    221
                 | 
                                    
                                                     | 
                
                 | 
                     * @return static  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    222
                 | 
                                    
                                                     | 
                
                 | 
                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    223
                 | 
                                    
                                                     | 
                
                 | 
                    public function withoutHeader($name)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    224
                 | 
                                    
                                                     | 
                
                 | 
                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    225
                 | 
                                    
                                                     | 
                
                 | 
                        // TODO: Implement withoutHeader() method.  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
                | 
                    226
                 | 
                                    
                                                     | 
                
                 | 
                    }  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    227
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    228
                 | 
                                    
                                                     | 
                
                 | 
                    /**  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    229
                 | 
                                    
                                                     | 
                
                 | 
                     * Verifies the headers are valid  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    230
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    231
                 | 
                                    
                                                     | 
                
                 | 
                     * @throws InvalidArgumentException  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    232
                 | 
                                    
                                                     | 
                
                 | 
                     * @param  array  $headers Headers for the incoming request  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    233
                 | 
                                    
                                                     | 
                
                 | 
                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    234
                 | 
                                    
                                                     | 
                
                 | 
                    private function validateHeaders(array $headers) : void  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    235
                 | 
                                    
                                                     | 
                
                 | 
                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    236
                 | 
                                    
                                                     | 
                
                 | 
                        $exceptionMessage = "Invalid headers: " . json_encode($headers);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    237
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    238
                 | 
                                    
                                                     | 
                
                 | 
                        if (empty($headers)) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    239
                 | 
                                    
                                                     | 
                
                 | 
                            return;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    240
                 | 
                                    
                                                     | 
                
                 | 
                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    241
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    242
                 | 
                                    
                                                     | 
                
                 | 
                        $headersWithArraysOnly = array_filter($headers, function ($header) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    243
                 | 
                                    
                                                     | 
                
                 | 
                            return is_array($header);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    244
                 | 
                                    
                                                     | 
                
                 | 
                        });  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    245
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    246
                 | 
                                    
                                                     | 
                
                 | 
                        if (count($headers) !== count($headersWithArraysOnly)) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    247
                 | 
                                    
                                                     | 
                
                 | 
                            throw new InvalidArgumentException($exceptionMessage);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    248
                 | 
                                    
                                                     | 
                
                 | 
                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    249
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    250
                 | 
                                    
                                                     | 
                
                 | 
                        foreach ($headers as $key => $header) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    251
                 | 
                                    
                                                     | 
                
                 | 
                            $headerWithStringValuesOnly = array_filter($header, function ($headerValue) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    252
                 | 
                                    
                                                     | 
                
                 | 
                                return is_string($headerValue);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    253
                 | 
                                    
                                                     | 
                
                 | 
                            });  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    254
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    255
                 | 
                                    
                                                     | 
                
                 | 
                            if (count($headers) !== count($headerWithStringValuesOnly)) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    256
                 | 
                                    
                                                     | 
                
                 | 
                                throw new InvalidArgumentException($exceptionMessage);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    257
                 | 
                                    
                                                     | 
                
                 | 
                            }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    258
                 | 
                                    
                                                     | 
                
                 | 
                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    259
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    260
                 | 
                                    
                                                     | 
                
                 | 
                        return;  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
                | 
                    261
                 | 
                                    
                                                     | 
                
                 | 
                    }  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    262
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    263
                 | 
                                    
                                                     | 
                
                 | 
                    /**  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    264
                 | 
                                    
                                                     | 
                
                 | 
                     * Gets the body of the message.  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    265
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    266
                 | 
                                    
                                                     | 
                
                 | 
                     * @return StreamInterface Returns the body as a stream.  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    267
                 | 
                                    
                                                     | 
                
                 | 
                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    268
                 | 
                                    
                                                     | 
                
                 | 
                    public function getBody()  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    269
                 | 
                                    
                                                     | 
                
                 | 
                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    270
                 | 
                                    
                                                     | 
                
                 | 
                        // TODO: Implement getBody() method.  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
                | 
                    271
                 | 
                                    
                                                     | 
                
                 | 
                    }  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    272
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    273
                 | 
                                    
                                                     | 
                
                 | 
                    /**  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    274
                 | 
                                    
                                                     | 
                
                 | 
                     * Return an instance with the specified message body.  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    275
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    276
                 | 
                                    
                                                     | 
                
                 | 
                     * The body MUST be a StreamInterface object.  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    277
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    278
                 | 
                                    
                                                     | 
                
                 | 
                     * This method MUST be implemented in such a way as to retain the  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    279
                 | 
                                    
                                                     | 
                
                 | 
                     * immutability of the message, and MUST return a new instance that has the  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    280
                 | 
                                    
                                                     | 
                
                 | 
                     * new body stream.  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    281
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    282
                 | 
                                    
                                                     | 
                
                 | 
                     * @param  StreamInterface  $body  Body.  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    283
                 | 
                                    
                                                     | 
                
                 | 
                     * @return static  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    284
                 | 
                                    
                                                     | 
                
                 | 
                     * @throws \InvalidArgumentException When the body is not valid.  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    285
                 | 
                                    
                                                     | 
                
                 | 
                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    286
                 | 
                                    
                                                     | 
                
                 | 
                    public function withBody(StreamInterface $body)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    287
                 | 
                                    
                                                     | 
                
                 | 
                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    288
                 | 
                                    
                                                     | 
                
                 | 
                        // TODO: Implement withBody() method.  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
                | 
                    289
                 | 
                                    
                                                     | 
                
                 | 
                    }  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    290
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    291
                 | 
                                    
                                                     | 
                
                 | 
                    /**  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    292
                 | 
                                    
                                                     | 
                
                 | 
                     * Retrieves the message's request target.  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    293
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    294
                 | 
                                    
                                                     | 
                
                 | 
                     * Retrieves the message's request-target either as it will appear (for  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    295
                 | 
                                    
                                                     | 
                
                 | 
                     * clients), as it appeared at request (for servers), or as it was  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    296
                 | 
                                    
                                                     | 
                
                 | 
                     * specified for the instance (see withRequestTarget()).  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    297
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    298
                 | 
                                    
                                                     | 
                
                 | 
                     * In most cases, this will be the origin-form of the composed URI,  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    299
                 | 
                                    
                                                     | 
                
                 | 
                     * unless a value was provided to the concrete implementation (see  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    300
                 | 
                                    
                                                     | 
                
                 | 
                     * withRequestTarget() below).  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    301
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    302
                 | 
                                    
                                                     | 
                
                 | 
                     * If no URI is available, and no request-target has been specifically  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    303
                 | 
                                    
                                                     | 
                
                 | 
                     * provided, this method MUST return the string "/".  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    304
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    305
                 | 
                                    
                                                     | 
                
                 | 
                     * @return string  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    306
                 | 
                                    
                                                     | 
                
                 | 
                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    307
                 | 
                                    
                                                     | 
                
                 | 
                    public function getRequestTarget()  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    308
                 | 
                                    
                                                     | 
                
                 | 
                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    309
                 | 
                                    
                                                     | 
                
                 | 
                        // TODO: Implement getRequestTarget() method.  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
                | 
                    310
                 | 
                                    
                                                     | 
                
                 | 
                    }  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    311
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    312
                 | 
                                    
                                                     | 
                
                 | 
                    /**  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    313
                 | 
                                    
                                                     | 
                
                 | 
                     * Return an instance with the specific request-target.  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    314
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    315
                 | 
                                    
                                                     | 
                
                 | 
                     * If the request needs a non-origin-form request-target — e.g., for  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    316
                 | 
                                    
                                                     | 
                
                 | 
                     * specifying an absolute-form, authority-form, or asterisk-form —  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    317
                 | 
                                    
                                                     | 
                
                 | 
                     * this method may be used to create an instance with the specified  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    318
                 | 
                                    
                                                     | 
                
                 | 
                     * request-target, verbatim.  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    319
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    320
                 | 
                                    
                                                     | 
                
                 | 
                     * This method MUST be implemented in such a way as to retain the  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    321
                 | 
                                    
                                                     | 
                
                 | 
                     * immutability of the message, and MUST return an instance that has the  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    322
                 | 
                                    
                                                     | 
                
                 | 
                     * changed request target.  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    323
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    324
                 | 
                                    
                                                     | 
                
                 | 
                     * @link http://tools.ietf.org/html/rfc7230#section-5.3 (for the various  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    325
                 | 
                                    
                                                     | 
                
                 | 
                     *     request-target forms allowed in request messages)  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    326
                 | 
                                    
                                                     | 
                
                 | 
                     * @param  mixed  $requestTarget  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    327
                 | 
                                    
                                                     | 
                
                 | 
                     * @return static  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    328
                 | 
                                    
                                                     | 
                
                 | 
                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    329
                 | 
                                    
                                                     | 
                
                 | 
                    public function withRequestTarget($requestTarget)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    330
                 | 
                                    
                                                     | 
                
                 | 
                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    331
                 | 
                                    
                                                     | 
                
                 | 
                        // TODO: Implement withRequestTarget() method.  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
                | 
                    332
                 | 
                                    
                                                     | 
                
                 | 
                    }  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    333
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    334
                 | 
                                    
                                                     | 
                
                 | 
                    /**  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    335
                 | 
                                    
                                                     | 
                
                 | 
                     * Retrieves the HTTP method of the request.  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    336
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    337
                 | 
                                    
                                                     | 
                
                 | 
                     * @return string Returns the request method.  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    338
                 | 
                                    
                                                     | 
                
                 | 
                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    339
                 | 
                                    
                                                     | 
                
                 | 
                    public function getMethod()  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    340
                 | 
                                    
                                                     | 
                
                 | 
                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    341
                 | 
                                    
                                                     | 
                
                 | 
                        // TODO: Implement getMethod() method.  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
                | 
                    342
                 | 
                                    
                                                     | 
                
                 | 
                    }  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    343
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    344
                 | 
                                    
                                                     | 
                
                 | 
                    /**  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    345
                 | 
                                    
                                                     | 
                
                 | 
                     * Return an instance with the provided HTTP method.  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    346
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    347
                 | 
                                    
                                                     | 
                
                 | 
                     * While HTTP method names are typically all uppercase characters, HTTP  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    348
                 | 
                                    
                                                     | 
                
                 | 
                     * method names are case-sensitive and thus implementations SHOULD NOT  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    349
                 | 
                                    
                                                     | 
                
                 | 
                     * modify the given string.  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    350
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    351
                 | 
                                    
                                                     | 
                
                 | 
                     * This method MUST be implemented in such a way as to retain the  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    352
                 | 
                                    
                                                     | 
                
                 | 
                     * immutability of the message, and MUST return an instance that has the  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    353
                 | 
                                    
                                                     | 
                
                 | 
                     * changed request method.  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    354
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    355
                 | 
                                    
                                                     | 
                
                 | 
                     * @param  string  $method  Case-sensitive method.  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    356
                 | 
                                    
                                                     | 
                
                 | 
                     * @return static  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    357
                 | 
                                    
                                                     | 
                
                 | 
                     * @throws \InvalidArgumentException for invalid HTTP methods.  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    358
                 | 
                                    
                                                     | 
                
                 | 
                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    359
                 | 
                                    
                                                     | 
                
                 | 
                    public function withMethod($method)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    360
                 | 
                                    
                                                     | 
                
                 | 
                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    361
                 | 
                                    
                                                     | 
                
                 | 
                        // TODO: Implement withMethod() method.  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
                | 
                    362
                 | 
                                    
                                                     | 
                
                 | 
                    }  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    363
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    364
                 | 
                                    
                                                     | 
                
                 | 
                    /**  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    365
                 | 
                                    
                                                     | 
                
                 | 
                     * Retrieves the URI instance.  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    366
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    367
                 | 
                                    
                                                     | 
                
                 | 
                     * This method MUST return a UriInterface instance.  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    368
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    369
                 | 
                                    
                                                     | 
                
                 | 
                     * @link http://tools.ietf.org/html/rfc3986#section-4.3  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    370
                 | 
                                    
                                                     | 
                
                 | 
                     * @return UriInterface Returns a UriInterface instance  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    371
                 | 
                                    
                                                     | 
                
                 | 
                     *     representing the URI of the request.  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    372
                 | 
                                    
                                                     | 
                
                 | 
                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    373
                 | 
                                    
                                                     | 
                
                 | 
                    public function getUri()  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    374
                 | 
                                    
                                                     | 
                
                 | 
                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    375
                 | 
                                    
                                                     | 
                
                 | 
                        // TODO: Implement getUri() method.  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
                | 
                    376
                 | 
                                    
                                                     | 
                
                 | 
                    }  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    377
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    378
                 | 
                                    
                                                     | 
                
                 | 
                    /**  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    379
                 | 
                                    
                                                     | 
                
                 | 
                     * Returns an instance with the provided URI.  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    380
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    381
                 | 
                                    
                                                     | 
                
                 | 
                     * This method MUST update the Host header of the returned request by  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    382
                 | 
                                    
                                                     | 
                
                 | 
                     * default if the URI contains a host component. If the URI does not  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    383
                 | 
                                    
                                                     | 
                
                 | 
                     * contain a host component, any pre-existing Host header MUST be carried  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    384
                 | 
                                    
                                                     | 
                
                 | 
                     * over to the returned request.  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    385
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    386
                 | 
                                    
                                                     | 
                
                 | 
                     * You can opt-in to preserving the original state of the Host header by  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    387
                 | 
                                    
                                                     | 
                
                 | 
                     * setting `$preserveHost` to `true`. When `$preserveHost` is set to  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    388
                 | 
                                    
                                                     | 
                
                 | 
                     * `true`, this method interacts with the Host header in the following ways:  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    389
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    390
                 | 
                                    
                                                     | 
                
                 | 
                     * - If the Host header is missing or empty, and the new URI contains  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    391
                 | 
                                    
                                                     | 
                
                 | 
                     *   a host component, this method MUST update the Host header in the returned  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    392
                 | 
                                    
                                                     | 
                
                 | 
                     *   request.  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    393
                 | 
                                    
                                                     | 
                
                 | 
                     * - If the Host header is missing or empty, and the new URI does not contain a  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    394
                 | 
                                    
                                                     | 
                
                 | 
                     *   host component, this method MUST NOT update the Host header in the returned  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    395
                 | 
                                    
                                                     | 
                
                 | 
                     *   request.  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    396
                 | 
                                    
                                                     | 
                
                 | 
                     * - If a Host header is present and non-empty, this method MUST NOT update  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    397
                 | 
                                    
                                                     | 
                
                 | 
                     *   the Host header in the returned request.  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    398
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    399
                 | 
                                    
                                                     | 
                
                 | 
                     * This method MUST be implemented in such a way as to retain the  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    400
                 | 
                                    
                                                     | 
                
                 | 
                     * immutability of the message, and MUST return an instance that has the  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    401
                 | 
                                    
                                                     | 
                
                 | 
                     * new UriInterface instance.  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    402
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    403
                 | 
                                    
                                                     | 
                
                 | 
                     * @link http://tools.ietf.org/html/rfc3986#section-4.3  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    404
                 | 
                                    
                                                     | 
                
                 | 
                     * @param  UriInterface  $uri  New request URI to use.  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    405
                 | 
                                    
                                                     | 
                
                 | 
                     * @param  bool  $preserveHost  Preserve the original state of the Host header.  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    406
                 | 
                                    
                                                     | 
                
                 | 
                     * @return static  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    407
                 | 
                                    
                                                     | 
                
                 | 
                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    408
                 | 
                                    
                                                     | 
                
                 | 
                    public function withUri(UriInterface $uri, $preserveHost = false)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    409
                 | 
                                    
                                                     | 
                
                 | 
                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    410
                 | 
                                    
                                                     | 
                
                 | 
                        // TODO: Implement withUri() method.  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
                | 
                    411
                 | 
                                    
                                                     | 
                
                 | 
                    }  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    412
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    413
                 | 
                                    
                                                     | 
                
                 | 
                    /**  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    414
                 | 
                                    
                                                     | 
                
                 | 
                     * Retrieve server parameters.  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    415
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    416
                 | 
                                    
                                                     | 
                
                 | 
                     * Retrieves data related to the incoming request environment,  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    417
                 | 
                                    
                                                     | 
                
                 | 
                     * typically derived from PHP's $_SERVER superglobal. The data IS NOT  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    418
                 | 
                                    
                                                     | 
                
                 | 
                     * REQUIRED to originate from $_SERVER.  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    419
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    420
                 | 
                                    
                                                     | 
                
                 | 
                     * @return array  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    421
                 | 
                                    
                                                     | 
                
                 | 
                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    422
                 | 
                                    
                                                     | 
                
                 | 
                    public function getServerParams()  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    423
                 | 
                                    
                                                     | 
                
                 | 
                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    424
                 | 
                                    
                                                     | 
                
                 | 
                        // TODO: Implement getServerParams() method.  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
                | 
                    425
                 | 
                                    
                                                     | 
                
                 | 
                    }  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    426
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    427
                 | 
                                    
                                                     | 
                
                 | 
                    /**  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    428
                 | 
                                    
                                                     | 
                
                 | 
                     * Retrieve cookies.  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    429
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    430
                 | 
                                    
                                                     | 
                
                 | 
                     * Retrieves cookies sent by the client to the server.  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    431
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    432
                 | 
                                    
                                                     | 
                
                 | 
                     * The data MUST be compatible with the structure of the $_COOKIE  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    433
                 | 
                                    
                                                     | 
                
                 | 
                     * superglobal.  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    434
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    435
                 | 
                                    
                                                     | 
                
                 | 
                     * @return array  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    436
                 | 
                                    
                                                     | 
                
                 | 
                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    437
                 | 
                                    
                                                     | 
                
                 | 
                    public function getCookieParams()  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    438
                 | 
                                    
                                                     | 
                
                 | 
                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    439
                 | 
                                    
                                                     | 
                
                 | 
                        // TODO: Implement getCookieParams() method.  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
                | 
                    440
                 | 
                                    
                                                     | 
                
                 | 
                    }  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    441
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    442
                 | 
                                    
                                                     | 
                
                 | 
                    /**  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    443
                 | 
                                    
                                                     | 
                
                 | 
                     * Return an instance with the specified cookies.  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    444
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    445
                 | 
                                    
                                                     | 
                
                 | 
                     * The data IS NOT REQUIRED to come from the $_COOKIE superglobal, but MUST  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    446
                 | 
                                    
                                                     | 
                
                 | 
                     * be compatible with the structure of $_COOKIE. Typically, this data will  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    447
                 | 
                                    
                                                     | 
                
                 | 
                     * be injected at instantiation.  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    448
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    449
                 | 
                                    
                                                     | 
                
                 | 
                     * This method MUST NOT update the related Cookie header of the request  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    450
                 | 
                                    
                                                     | 
                
                 | 
                     * instance, nor related values in the server params.  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    451
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    452
                 | 
                                    
                                                     | 
                
                 | 
                     * This method MUST be implemented in such a way as to retain the  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    453
                 | 
                                    
                                                     | 
                
                 | 
                     * immutability of the message, and MUST return an instance that has the  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    454
                 | 
                                    
                                                     | 
                
                 | 
                     * updated cookie values.  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    455
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    456
                 | 
                                    
                                                     | 
                
                 | 
                     * @param  array  $cookies  Array of key/value pairs representing cookies.  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    457
                 | 
                                    
                                                     | 
                
                 | 
                     * @return static  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    458
                 | 
                                    
                                                     | 
                
                 | 
                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    459
                 | 
                                    
                                                     | 
                
                 | 
                    public function withCookieParams(array $cookies)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    460
                 | 
                                    
                                                     | 
                
                 | 
                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    461
                 | 
                                    
                                                     | 
                
                 | 
                        // TODO: Implement withCookieParams() method.  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
                | 
                    462
                 | 
                                    
                                                     | 
                
                 | 
                    }  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    463
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    464
                 | 
                                    
                                                     | 
                
                 | 
                    /**  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    465
                 | 
                                    
                                                     | 
                
                 | 
                     * Retrieve query string arguments.  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    466
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    467
                 | 
                                    
                                                     | 
                
                 | 
                     * Retrieves the deserialized query string arguments, if any.  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    468
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    469
                 | 
                                    
                                                     | 
                
                 | 
                     * Note: the query params might not be in sync with the URI or server  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    470
                 | 
                                    
                                                     | 
                
                 | 
                     * params. If you need to ensure you are only getting the original  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    471
                 | 
                                    
                                                     | 
                
                 | 
                     * values, you may need to parse the query string from `getUri()->getQuery()`  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    472
                 | 
                                    
                                                     | 
                
                 | 
                     * or from the `QUERY_STRING` server param.  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    473
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    474
                 | 
                                    
                                                     | 
                
                 | 
                     * @return array  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    475
                 | 
                                    
                                                     | 
                
                 | 
                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    476
                 | 
                                    
                                                     | 
                
                 | 
                    public function getQueryParams()  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    477
                 | 
                                    
                                                     | 
                
                 | 
                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    478
                 | 
                                    
                                                     | 
                
                 | 
                        // TODO: Implement getQueryParams() method.  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
                | 
                    479
                 | 
                                    
                                                     | 
                
                 | 
                    }  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    480
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    481
                 | 
                                    
                                                     | 
                
                 | 
                    /**  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    482
                 | 
                                    
                                                     | 
                
                 | 
                     * Return an instance with the specified query string arguments.  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    483
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    484
                 | 
                                    
                                                     | 
                
                 | 
                     * These values SHOULD remain immutable over the course of the incoming  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    485
                 | 
                                    
                                                     | 
                
                 | 
                     * request. They MAY be injected during instantiation, such as from PHP's  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    486
                 | 
                                    
                                                     | 
                
                 | 
                     * $_GET superglobal, or MAY be derived from some other value such as the  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    487
                 | 
                                    
                                                     | 
                
                 | 
                     * URI. In cases where the arguments are parsed from the URI, the data  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    488
                 | 
                                    
                                                     | 
                
                 | 
                     * MUST be compatible with what PHP's parse_str() would return for  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    489
                 | 
                                    
                                                     | 
                
                 | 
                     * purposes of how duplicate query parameters are handled, and how nested  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    490
                 | 
                                    
                                                     | 
                
                 | 
                     * sets are handled.  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    491
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    492
                 | 
                                    
                                                     | 
                
                 | 
                     * Setting query string arguments MUST NOT change the URI stored by the  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    493
                 | 
                                    
                                                     | 
                
                 | 
                     * request, nor the values in the server params.  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    494
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    495
                 | 
                                    
                                                     | 
                
                 | 
                     * This method MUST be implemented in such a way as to retain the  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    496
                 | 
                                    
                                                     | 
                
                 | 
                     * immutability of the message, and MUST return an instance that has the  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    497
                 | 
                                    
                                                     | 
                
                 | 
                     * updated query string arguments.  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    498
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    499
                 | 
                                    
                                                     | 
                
                 | 
                     * @param  array  $query  Array of query string arguments, typically from  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    500
                 | 
                                    
                                                     | 
                
                 | 
                     *     $_GET.  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    501
                 | 
                                    
                                                     | 
                
                 | 
                     * @return static  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    502
                 | 
                                    
                                                     | 
                
                 | 
                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    503
                 | 
                                    
                                                     | 
                
                 | 
                    public function withQueryParams(array $query)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    504
                 | 
                                    
                                                     | 
                
                 | 
                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    505
                 | 
                                    
                                                     | 
                
                 | 
                        // TODO: Implement withQueryParams() method.  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
                | 
                    506
                 | 
                                    
                                                     | 
                
                 | 
                    }  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    507
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    508
                 | 
                                    
                                                     | 
                
                 | 
                    /**  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    509
                 | 
                                    
                                                     | 
                
                 | 
                     * Retrieve normalized file upload data.  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    510
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    511
                 | 
                                    
                                                     | 
                
                 | 
                     * This method returns upload metadata in a normalized tree, with each leaf  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    512
                 | 
                                    
                                                     | 
                
                 | 
                     * an instance of Psr\Http\Message\UploadedFileInterface.  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    513
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    514
                 | 
                                    
                                                     | 
                
                 | 
                     * These values MAY be prepared from $_FILES or the message body during  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    515
                 | 
                                    
                                                     | 
                
                 | 
                     * instantiation, or MAY be injected via withUploadedFiles().  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    516
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    517
                 | 
                                    
                                                     | 
                
                 | 
                     * @return array An array tree of UploadedFileInterface instances; an empty  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    518
                 | 
                                    
                                                     | 
                
                 | 
                     *     array MUST be returned if no data is present.  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    519
                 | 
                                    
                                                     | 
                
                 | 
                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    520
                 | 
                                    
                                                     | 
                
                 | 
                    public function getUploadedFiles()  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    521
                 | 
                                    
                                                     | 
                
                 | 
                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    522
                 | 
                                    
                                                     | 
                
                 | 
                        // TODO: Implement getUploadedFiles() method.  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
                | 
                    523
                 | 
                                    
                                                     | 
                
                 | 
                    }  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    524
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    525
                 | 
                                    
                                                     | 
                
                 | 
                    /**  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    526
                 | 
                                    
                                                     | 
                
                 | 
                     * Create a new instance with the specified uploaded files.  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    527
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    528
                 | 
                                    
                                                     | 
                
                 | 
                     * This method MUST be implemented in such a way as to retain the  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    529
                 | 
                                    
                                                     | 
                
                 | 
                     * immutability of the message, and MUST return an instance that has the  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    530
                 | 
                                    
                                                     | 
                
                 | 
                     * updated body parameters.  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    531
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    532
                 | 
                                    
                                                     | 
                
                 | 
                     * @param  array  $uploadedFiles  An array tree of UploadedFileInterface instances.  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    533
                 | 
                                    
                                                     | 
                
                 | 
                     * @return static  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    534
                 | 
                                    
                                                     | 
                
                 | 
                     * @throws \InvalidArgumentException if an invalid structure is provided.  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    535
                 | 
                                    
                                                     | 
                
                 | 
                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    536
                 | 
                                    
                                                     | 
                
                 | 
                    public function withUploadedFiles(array $uploadedFiles)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    537
                 | 
                                    
                                                     | 
                
                 | 
                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    538
                 | 
                                    
                                                     | 
                
                 | 
                        // TODO: Implement withUploadedFiles() method.  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
                | 
                    539
                 | 
                                    
                                                     | 
                
                 | 
                    }  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    540
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    541
                 | 
                                    
                                                     | 
                
                 | 
                    /**  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    542
                 | 
                                    
                                                     | 
                
                 | 
                     * Retrieve any parameters provided in the request body.  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    543
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    544
                 | 
                                    
                                                     | 
                
                 | 
                     * If the request Content-Type is either application/x-www-form-urlencoded  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    545
                 | 
                                    
                                                     | 
                
                 | 
                     * or multipart/form-data, and the request method is POST, this method MUST  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    546
                 | 
                                    
                                                     | 
                
                 | 
                     * return the contents of $_POST.  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    547
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    548
                 | 
                                    
                                                     | 
                
                 | 
                     * Otherwise, this method may return any results of deserializing  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    549
                 | 
                                    
                                                     | 
                
                 | 
                     * the request body content; as parsing returns structured content, the  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    550
                 | 
                                    
                                                     | 
                
                 | 
                     * potential types MUST be arrays or objects only. A null value indicates  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    551
                 | 
                                    
                                                     | 
                
                 | 
                     * the absence of body content.  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    552
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    553
                 | 
                                    
                                                     | 
                
                 | 
                     * @return null|array|object The deserialized body parameters, if any.  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    554
                 | 
                                    
                                                     | 
                
                 | 
                     *     These will typically be an array or object.  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    555
                 | 
                                    
                                                     | 
                
                 | 
                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    556
                 | 
                                    
                                                     | 
                
                 | 
                    public function getParsedBody()  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    557
                 | 
                                    
                                                     | 
                
                 | 
                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    558
                 | 
                                    
                                                     | 
                
                 | 
                        // TODO: Implement getParsedBody() method.  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
                | 
                    559
                 | 
                                    
                                                     | 
                
                 | 
                    }  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    560
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    561
                 | 
                                    
                                                     | 
                
                 | 
                    /**  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    562
                 | 
                                    
                                                     | 
                
                 | 
                     * Return an instance with the specified body parameters.  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    563
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    564
                 | 
                                    
                                                     | 
                
                 | 
                     * These MAY be injected during instantiation.  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    565
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    566
                 | 
                                    
                                                     | 
                
                 | 
                     * If the request Content-Type is either application/x-www-form-urlencoded  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    567
                 | 
                                    
                                                     | 
                
                 | 
                     * or multipart/form-data, and the request method is POST, use this method  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    568
                 | 
                                    
                                                     | 
                
                 | 
                     * ONLY to inject the contents of $_POST.  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    569
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    570
                 | 
                                    
                                                     | 
                
                 | 
                     * The data IS NOT REQUIRED to come from $_POST, but MUST be the results of  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    571
                 | 
                                    
                                                     | 
                
                 | 
                     * deserializing the request body content. Deserialization/parsing returns  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    572
                 | 
                                    
                                                     | 
                
                 | 
                     * structured data, and, as such, this method ONLY accepts arrays or objects,  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    573
                 | 
                                    
                                                     | 
                
                 | 
                     * or a null value if nothing was available to parse.  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    574
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    575
                 | 
                                    
                                                     | 
                
                 | 
                     * As an example, if content negotiation determines that the request data  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    576
                 | 
                                    
                                                     | 
                
                 | 
                     * is a JSON payload, this method could be used to create a request  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    577
                 | 
                                    
                                                     | 
                
                 | 
                     * instance with the deserialized parameters.  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    578
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    579
                 | 
                                    
                                                     | 
                
                 | 
                     * This method MUST be implemented in such a way as to retain the  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    580
                 | 
                                    
                                                     | 
                
                 | 
                     * immutability of the message, and MUST return an instance that has the  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    581
                 | 
                                    
                                                     | 
                
                 | 
                     * updated body parameters.  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    582
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    583
                 | 
                                    
                                                     | 
                
                 | 
                     * @param  null|array|object  $data  The deserialized body data. This will  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    584
                 | 
                                    
                                                     | 
                
                 | 
                     *     typically be in an array or object.  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    585
                 | 
                                    
                                                     | 
                
                 | 
                     * @return static  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    586
                 | 
                                    
                                                     | 
                
                 | 
                     * @throws \InvalidArgumentException if an unsupported argument type is  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    587
                 | 
                                    
                                                     | 
                
                 | 
                     *     provided.  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    588
                 | 
                                    
                                                     | 
                
                 | 
                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    589
                 | 
                                    
                                                     | 
                
                 | 
                    public function withParsedBody($data)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    590
                 | 
                                    
                                                     | 
                
                 | 
                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    591
                 | 
                                    
                                                     | 
                
                 | 
                        // TODO: Implement withParsedBody() method.  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
                | 
                    592
                 | 
                                    
                                                     | 
                
                 | 
                    }  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    593
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    594
                 | 
                                    
                                                     | 
                
                 | 
                    /**  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    595
                 | 
                                    
                                                     | 
                
                 | 
                     * Retrieve attributes derived from the request.  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    596
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    597
                 | 
                                    
                                                     | 
                
                 | 
                     * The request "attributes" may be used to allow injection of any  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    598
                 | 
                                    
                                                     | 
                
                 | 
                     * parameters derived from the request: e.g., the results of path  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    599
                 | 
                                    
                                                     | 
                
                 | 
                     * match operations; the results of decrypting cookies; the results of  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    600
                 | 
                                    
                                                     | 
                
                 | 
                     * deserializing non-form-encoded message bodies; etc. Attributes  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    601
                 | 
                                    
                                                     | 
                
                 | 
                     * will be application and request specific, and CAN be mutable.  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    602
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    603
                 | 
                                    
                                                     | 
                
                 | 
                     * @return array Attributes derived from the request.  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    604
                 | 
                                    
                                                     | 
                
                 | 
                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    605
                 | 
                                    
                                                     | 
                
                 | 
                    public function getAttributes()  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    606
                 | 
                                    
                                                     | 
                
                 | 
                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    607
                 | 
                                    
                                                     | 
                
                 | 
                        // TODO: Implement getAttributes() method.  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
                | 
                    608
                 | 
                                    
                                                     | 
                
                 | 
                    }/**  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    609
                 | 
                                    
                                                     | 
                
                 | 
                 * Retrieve a single derived request attribute.  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    610
                 | 
                                    
                                                     | 
                
                 | 
                 *  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    611
                 | 
                                    
                                                     | 
                
                 | 
                 * Retrieves a single derived request attribute as described in  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    612
                 | 
                                    
                                                     | 
                
                 | 
                 * getAttributes(). If the attribute has not been previously set, returns  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    613
                 | 
                                    
                                                     | 
                
                 | 
                 * the default value as provided.  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    614
                 | 
                                    
                                                     | 
                
                 | 
                 *  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    615
                 | 
                                    
                                                     | 
                
                 | 
                 * This method obviates the need for a hasAttribute() method, as it allows  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    616
                 | 
                                    
                                                     | 
                
                 | 
                 * specifying a default value to return if the attribute is not found.  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    617
                 | 
                                    
                                                     | 
                
                 | 
                 *  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    618
                 | 
                                    
                                                     | 
                
                 | 
                 * @param  string  $name  The attribute name.  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    619
                 | 
                                    
                                                     | 
                
                 | 
                 * @param  mixed  $default  Default value to return if the attribute does not exist.  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    620
                 | 
                                    
                                                     | 
                
                 | 
                 * @return mixed  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    621
                 | 
                                    
                                                     | 
                
                 | 
                 * @see getAttributes()  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    622
                 | 
                                    
                                                     | 
                
                 | 
                 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    623
                 | 
                                    
                                                     | 
                
                 | 
                    public function getAttribute($name, $default = null)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    624
                 | 
                                    
                                                     | 
                
                 | 
                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    625
                 | 
                                    
                                                     | 
                
                 | 
                        // TODO: Implement getAttribute() method.  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
                | 
                    626
                 | 
                                    
                                                     | 
                
                 | 
                    }  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    627
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    628
                 | 
                                    
                                                     | 
                
                 | 
                    /**  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    629
                 | 
                                    
                                                     | 
                
                 | 
                     * Return an instance with the specified derived request attribute.  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    630
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    631
                 | 
                                    
                                                     | 
                
                 | 
                     * This method allows setting a single derived request attribute as  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    632
                 | 
                                    
                                                     | 
                
                 | 
                     * described in getAttributes().  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    633
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    634
                 | 
                                    
                                                     | 
                
                 | 
                     * This method MUST be implemented in such a way as to retain the  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    635
                 | 
                                    
                                                     | 
                
                 | 
                     * immutability of the message, and MUST return an instance that has the  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    636
                 | 
                                    
                                                     | 
                
                 | 
                     * updated attribute.  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    637
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    638
                 | 
                                    
                                                     | 
                
                 | 
                     * @param  string  $name  The attribute name.  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    639
                 | 
                                    
                                                     | 
                
                 | 
                     * @param  mixed  $value  The value of the attribute.  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    640
                 | 
                                    
                                                     | 
                
                 | 
                     * @return static  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    641
                 | 
                                    
                                                     | 
                
                 | 
                     * @see getAttributes()  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    642
                 | 
                                    
                                                     | 
                
                 | 
                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    643
                 | 
                                    
                                                     | 
                
                 | 
                    public function withAttribute($name, $value)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    644
                 | 
                                    
                                                     | 
                
                 | 
                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    645
                 | 
                                    
                                                     | 
                
                 | 
                        // TODO: Implement withAttribute() method.  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
                | 
                    646
                 | 
                                    
                                                     | 
                
                 | 
                    }  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    647
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    648
                 | 
                                    
                                                     | 
                
                 | 
                    /**  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    649
                 | 
                                    
                                                     | 
                
                 | 
                     * Return an instance that removes the specified derived request attribute.  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    650
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    651
                 | 
                                    
                                                     | 
                
                 | 
                     * This method allows removing a single derived request attribute as  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    652
                 | 
                                    
                                                     | 
                
                 | 
                     * described in getAttributes().  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    653
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    654
                 | 
                                    
                                                     | 
                
                 | 
                     * This method MUST be implemented in such a way as to retain the  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    655
                 | 
                                    
                                                     | 
                
                 | 
                     * immutability of the message, and MUST return an instance that removes  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    656
                 | 
                                    
                                                     | 
                
                 | 
                     * the attribute.  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    657
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    658
                 | 
                                    
                                                     | 
                
                 | 
                     * @param  string  $name  The attribute name.  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    659
                 | 
                                    
                                                     | 
                
                 | 
                     * @return static  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    660
                 | 
                                    
                                                     | 
                
                 | 
                     * @see getAttributes()  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    661
                 | 
                                    
                                                     | 
                
                 | 
                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    662
                 | 
                                    
                                                     | 
                
                 | 
                    public function withoutAttribute($name)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    663
                 | 
                                    
                                                     | 
                
                 | 
                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    664
                 | 
                                    
                                                     | 
                
                 | 
                        // TODO: Implement withoutAttribute() method.  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
                | 
                    665
                 | 
                                    
                                                     | 
                
                 | 
                    }  | 
            
            
                                                        
            
                                    
            
            
                | 
                    666
                 | 
                                    
                                                     | 
                
                 | 
                }  | 
            
            
                                                        
            
                                    
            
            
                | 
                    667
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                        
In PHP it is possible to write to properties without declaring them. For example, the following is perfectly valid PHP code:
Generally, it is a good practice to explictly declare properties to avoid accidental typos and provide IDE auto-completion: