| 1 |  |  | <?php declare(strict_types=1); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 2 |  |  | /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 3 |  |  |  * Query | 
            
                                                                                                            
                            
            
                                    
            
            
                | 4 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 5 |  |  |  * SQL Query Builder / Database Abstraction Layer | 
            
                                                                                                            
                            
            
                                    
            
            
                | 6 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 7 |  |  |  * PHP version 7 | 
            
                                                                                                            
                            
            
                                    
            
            
                | 8 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 9 |  |  |  * @package     Query | 
            
                                                                                                            
                            
            
                                    
            
            
                | 10 |  |  |  * @author      Timothy J. Warren <[email protected]> | 
            
                                                                                                            
                            
            
                                    
            
            
                | 11 |  |  |  * @copyright   2012 - 2016 Timothy J. Warren | 
            
                                                                                                            
                            
            
                                    
            
            
                | 12 |  |  |  * @license     http://www.opensource.org/licenses/mit-license.html  MIT License | 
            
                                                                                                            
                            
            
                                    
            
            
                | 13 |  |  |  * @link        https://git.timshomepage.net/aviat4ion/Query | 
            
                                                                                                            
                            
            
                                    
            
            
                | 14 |  |  |  */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 15 |  |  | namespace Query\Drivers\Firebird; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 16 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 17 |  |  | use PDO; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 18 |  |  | use Query\Drivers\AbstractUtil; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 19 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 20 |  |  | /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 21 |  |  |  * Firebird-specific backup, import and creation methods | 
            
                                                                                                            
                            
            
                                    
            
            
                | 22 |  |  |  */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 23 |  |  | class Util extends AbstractUtil { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 24 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 25 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 26 |  |  | 	 * Convenience public function to generate sql for creating a db table | 
            
                                                                                                            
                            
            
                                    
            
            
                | 27 |  |  | 	 * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 28 |  |  | 	 * @param string $name | 
            
                                                                                                            
                            
            
                                    
            
            
                | 29 |  |  | 	 * @param array $fields | 
            
                                                                                                            
                            
            
                                    
            
            
                | 30 |  |  | 	 * @param array $constraints | 
            
                                                                                                            
                            
            
                                    
            
            
                | 31 |  |  | 	 * @param bool $ifNotExists | 
            
                                                                                                            
                            
            
                                    
            
            
                | 32 |  |  | 	 * @return string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 33 |  |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 34 |  |  | 	public function createTable($name, $fields, array $constraints=[], $ifNotExists=FALSE) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 35 |  |  | 	{ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 36 |  |  | 		return parent::createTable($name, $fields, $constraints, FALSE); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 37 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 38 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 39 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 40 |  |  | 	 * Drop the selected table | 
            
                                                                                                            
                            
            
                                    
            
            
                | 41 |  |  | 	 * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 42 |  |  | 	 * @param string $name | 
            
                                                                                                            
                            
            
                                    
            
            
                | 43 |  |  | 	 * @return string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 44 |  |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 45 |  |  | 	public function deleteTable($name) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 46 |  |  | 	{ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 47 |  |  | 		return 'DROP TABLE '.$this->getDriver()->quoteTable($name); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 48 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 49 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 50 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 51 |  |  | 	 * Create an SQL backup file for the current database's structure | 
            
                                                                                                            
                            
            
                                    
            
            
                | 52 |  |  | 	 * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 53 |  |  | 	 * @return string | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 54 |  |  | 	 */ | 
            
                                                                        
                            
            
                                    
            
            
                | 55 |  |  | 	public function backupStructure(/* @param string $dbPath, @param string $newFile */) | 
            
                                                                        
                            
            
                                    
            
            
                | 56 |  |  | 	{ | 
            
                                                                        
                            
            
                                    
            
            
                | 57 |  |  | 		list($dbPath, $newFile) = func_get_args(); | 
            
                                                                        
                            
            
                                    
            
            
                | 58 |  |  | 		return ibase_backup($this->getDriver()->getService(), $dbPath, $newFile, \IBASE_BKP_METADATA_ONLY); | 
                            
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                | 59 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 60 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 61 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 62 |  |  | 	 * Create an SQL backup file for the current database's data | 
            
                                                                                                            
                            
            
                                    
            
            
                | 63 |  |  | 	 * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 64 |  |  | 	 * @param array $exclude | 
            
                                                                                                            
                            
            
                                    
            
            
                | 65 |  |  | 	 * @param bool $systemTables | 
            
                                                                                                            
                            
            
                                    
            
            
                | 66 |  |  | 	 * @return string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 67 |  |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 68 |  |  | 	public function backupData($exclude=[], $systemTables=FALSE) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 69 |  |  | 	{ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 70 |  |  | 		// Determine which tables to use | 
            
                                                                                                            
                            
            
                                    
            
            
                | 71 |  |  | 		$tables = $this->getDriver()->getTables(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 72 |  |  | 		if($systemTables == TRUE) | 
                            
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                | 73 |  |  | 		{ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 74 |  |  | 			$tables = array_merge($tables, $this->getDriver()->getSystemTables()); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 75 |  |  | 		} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 76 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 77 |  |  | 		// Filter out the tables you don't want | 
            
                                                                                                            
                            
            
                                    
            
            
                | 78 |  |  | 		if( ! empty($exclude)) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 79 |  |  | 		{ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 80 |  |  | 			$tables = array_diff($tables, $exclude); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 81 |  |  | 		} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 82 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 83 |  |  | 		$outputSql = ''; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 84 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 85 |  |  | 		// Get the data for each object | 
            
                                                                                                            
                            
            
                                    
            
            
                | 86 |  |  | 		foreach($tables as $t) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 87 |  |  | 		{ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 88 |  |  | 			$sql = 'SELECT * FROM "'.trim($t).'"'; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 89 |  |  | 			$res = $this->getDriver()->query($sql); | 
                            
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                | 90 |  |  | 			$objRes = $res->fetchAll(PDO::FETCH_ASSOC); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 91 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 92 |  |  | 			// Don't add to the file if the table is empty | 
            
                                                                                                            
                            
            
                                    
            
            
                | 93 |  |  | 			if (count($objRes) < 1) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 94 |  |  | 			{ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 95 |  |  | 				continue; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 96 |  |  | 			} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 97 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 98 |  |  | 			// Nab the column names by getting the keys of the first row | 
            
                                                                                                            
                            
            
                                    
            
            
                | 99 |  |  | 			$columns = @array_keys($objRes[0]); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 100 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 101 |  |  | 			$insertRows = []; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 102 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 103 |  |  | 			// Create the insert statements | 
            
                                                                                                            
                            
            
                                    
            
            
                | 104 |  |  | 			foreach($objRes as $row) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 105 |  |  | 			{ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 106 |  |  | 				$row = array_values($row); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 107 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 108 |  |  | 				// Quote values as needed by type | 
            
                                                                                                            
                            
            
                                    
            
            
                | 109 |  |  | 				if(stripos($t, 'RDB$') === FALSE) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 110 |  |  | 				{ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 111 |  |  | 					$row = array_map([$this->getDriver(), 'quote'], $row); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 112 |  |  | 					$row = array_map('trim', $row); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 113 |  |  | 				} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 114 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 115 |  |  | 				$rowString = 'INSERT INTO "'.trim($t).'" ("'.implode('","', $columns).'") VALUES ('.implode(',', $row).');'; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 116 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 117 |  |  | 				$row = NULL; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 118 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 119 |  |  | 				$insertRows[] = $rowString; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 120 |  |  | 			} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 121 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 122 |  |  | 			$outputSql .= "\n\nSET TRANSACTION;\n".implode("\n", $insertRows)."\nCOMMIT;"; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 123 |  |  | 		} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 124 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 125 |  |  | 		return $outputSql; | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 126 |  |  | 	} | 
            
                                                        
            
                                    
            
            
                | 127 |  |  | } | 
            
                        
Let’s take a look at an example:
In the above example, the authenticate() method works fine as long as you just pass instances of MyUser. However, if you now also want to pass a different implementation of User which does not have a getDisplayName() method, the code will break.
Available Fixes
Change the type-hint for the parameter:
Add an additional type-check:
Add the method to the interface: