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                <?php declare(strict_types=1);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Dotenv\Dotenv;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                class MySqlProperties { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	private const CONFIG_MYSQL_HOST = "MYSQL_HOST";  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	private const CONFIG_MYSQL_USER = "MYSQL_USER";  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	private const CONFIG_MYSQL_PASSWORD = "MYSQL_PASSWORD";  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	private const CONFIG_MYSQL_PORT = "MYSQL_PORT";  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	private const CONFIG_MYSQL_DATABASE = "MYSQL_DATABASE";  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	private string $host;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	private string $user;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	private string $password;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	private int $port;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	private string $databaseName;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	public function __construct() { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		$environmentFile = self::determineConfigEnvironmentFile();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		$config = Dotenv::createArrayBacked(ROOT, $environmentFile);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		$array = $config->load();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		self::validateConfig($config);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		[  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			MySqlProperties::CONFIG_MYSQL_HOST => $this->host,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			MySqlProperties::CONFIG_MYSQL_USER => $this->user,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			MySqlProperties::CONFIG_MYSQL_PASSWORD => $this->password,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			MySqlProperties::CONFIG_MYSQL_PORT => $port,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			MySqlProperties::CONFIG_MYSQL_DATABASE => $this->databaseName,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		] = $array;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		$this->port = (int)$port;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	}  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                	public static function determineConfigEnvironmentFile(): string { | 
            
            
                                                                        
                            
            
                                    
            
            
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                		$environment = "";  | 
            
            
                                                                        
                            
            
                                    
            
            
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                		if (isset($_ENV["MYSQL_CONFIG_ENVIRONMENT"])) { | 
            
            
                                                                        
                            
            
                                    
            
            
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                			$environment = $_ENV["MYSQL_CONFIG_ENVIRONMENT"];  | 
            
            
                                                                        
                            
            
                                    
            
            
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                		}  | 
            
            
                                                                        
                            
            
                                    
            
            
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                		return $environment . ".env";  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	public static function validateConfig(Dotenv $config) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		$config->required(self::CONFIG_MYSQL_HOST);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		$config->required(self::CONFIG_MYSQL_USER);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		$config->required(self::CONFIG_MYSQL_PASSWORD);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		$config->required(self::CONFIG_MYSQL_PORT)->isInteger();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		$config->required(self::CONFIG_MYSQL_DATABASE);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	/**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @return string  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	public function getHost(): string { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		return $this->host;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	/**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @return string  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	public function getUser(): string { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		return $this->user;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	/**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @return string  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	public function getPassword(): string { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		return $this->password;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	/**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @return int  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	public function getPort(): int { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		return $this->port;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	/**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @return string  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	public function getDatabaseName(): string { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		return $this->databaseName;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	}  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                }  | 
            
            
                                                        
            
                                    
            
            
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