| 1 |  |  | <?php | 
            
                                                                                                            
                            
            
                                    
            
            
                | 2 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 3 |  |  | namespace Soluble\Schema\Source\Mysql; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 4 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 5 |  |  | /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 6 |  |  |  * Wrapper for basic mysqli/pdo usage | 
            
                                                                                                            
                            
            
                                    
            
            
                | 7 |  |  |  */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 8 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 9 |  |  | use Soluble\Schema\Exception; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 10 |  |  | use ArrayObject; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 11 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 12 |  |  | class MysqlConnectionAdapter | 
            
                                                                                                            
                            
            
                                    
            
            
                | 13 |  |  | { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 14 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 15 |  |  |     const DRIVER_TYPE_PDO = 'pdo'; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 16 |  |  |     const DRIVER_TYPE_MYSQLI = 'mysqli'; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 17 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 18 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 19 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 20 |  |  |      * @var string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 21 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 22 |  |  |     protected $driver; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 23 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 24 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 25 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 26 |  |  |      * @var \mysqli|null | 
            
                                                                                                            
                            
            
                                    
            
            
                | 27 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 28 |  |  |     protected $mysqli; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 29 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 30 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 31 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 32 |  |  |      * @var \PDO|null | 
            
                                                                                                            
                            
            
                                    
            
            
                | 33 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 34 |  |  |     protected $pdo; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 35 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 36 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 37 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 38 |  |  |      * @throws Exception\InvalidArgumentException | 
            
                                                                                                            
                            
            
                                    
            
            
                | 39 |  |  |      * @param \mysqli|\PDO $conn | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 40 |  |  |      */ | 
            
                                                                        
                            
            
                                    
            
            
                | 41 | 26 |  |     public function __construct($conn) | 
            
                                                                        
                            
            
                                    
            
            
                | 42 |  |  |     { | 
            
                                                                        
                            
            
                                    
            
            
                | 43 | 26 |  |         if ($conn instanceof \mysqli) { | 
            
                                                                        
                            
            
                                    
            
            
                | 44 | 4 |  |             $this->mysqli = $conn; | 
            
                                                                        
                            
            
                                    
            
            
                | 45 | 4 |  |             $this->type = self::DRIVER_TYPE_MYSQLI; | 
                            
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                | 46 | 26 |  |         } elseif ($conn instanceof \PDO && $conn->getAttribute(\PDO::ATTR_DRIVER_NAME) == 'mysql') { | 
            
                                                                        
                            
            
                                    
            
            
                | 47 | 25 |  |             $this->pdo = $conn; | 
            
                                                                        
                            
            
                                    
            
            
                | 48 | 25 |  |             $this->type = self::DRIVER_TYPE_PDO; | 
            
                                                                        
                            
            
                                    
            
            
                | 49 | 25 |  |         } else { | 
            
                                                                        
                            
            
                                    
            
            
                | 50 |  |  |             $msg = "MysqlConnectionAdapter requires connection to be either 'pdo:mysql' or 'mysqli'"; | 
            
                                                                        
                            
            
                                    
            
            
                | 51 |  |  |             throw new Exception\InvalidArgumentException($msg); | 
            
                                                                        
                            
            
                                    
            
            
                | 52 |  |  |         } | 
            
                                                                        
                            
            
                                    
            
            
                | 53 | 26 |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 54 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 55 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 56 |  |  |      * Return current schema name | 
            
                                                                                                            
                            
            
                                    
            
            
                | 57 |  |  |      * @return string|false | 
            
                                                                                                            
                            
            
                                    
            
            
                | 58 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 59 | 26 |  |     public function getCurrentSchema() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 60 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 61 | 26 |  |         $query = 'SELECT DATABASE() as current_schema'; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 62 | 26 |  |         $results = $this->query($query); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 63 | 26 |  |         if (count($results) == 0) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 64 |  |  |             return false; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 65 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 66 | 26 |  |         return $results[0]['current_schema']; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 67 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 68 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 69 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 70 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 71 |  |  |      * @param string $value | 
            
                                                                                                            
                            
            
                                    
            
            
                | 72 |  |  |      * @return string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 73 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 74 | 6 |  |     public function quoteValue($value) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 75 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 76 | 6 |  |         if ($this->type == self::DRIVER_TYPE_MYSQLI) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 77 |  |  |             $quoted = "'" . $this->mysqli->real_escape_string($value) . "'"; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 78 |  |  |         } else { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 79 | 6 |  |             $quoted = $this->pdo->quote($value); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 80 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 81 | 6 |  |         return $quoted; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 82 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 83 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 84 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 85 |  |  |      * Execute query and return query as an ArrayObject | 
            
                                                                                                            
                            
            
                                    
            
            
                | 86 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 87 |  |  |      * @param string $query | 
            
                                                                                                            
                            
            
                                    
            
            
                | 88 |  |  |      * @return ArrayObject | 
            
                                                                                                            
                            
            
                                    
            
            
                | 89 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 90 | 26 |  |     public function query($query) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 91 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 92 | 26 |  |         if ($this->type == self::DRIVER_TYPE_MYSQLI) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 93 | 4 |  |             $results = $this->executeMysqli($query); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 94 | 4 |  |         } else { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 95 | 25 |  |             $results = $this->executePDO($query); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 96 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 97 | 26 |  |         return $results; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 98 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 99 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 100 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 101 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 102 |  |  |      * @param string $query | 
            
                                                                                                            
                            
            
                                    
            
            
                | 103 |  |  |      * @return ArrayObject | 
            
                                                                                                            
                            
            
                                    
            
            
                | 104 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 105 | 25 |  |     protected function executePDO($query) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 106 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 107 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 108 |  |  |         try { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 109 | 25 |  |             $stmt = $this->pdo->query($query, \PDO::FETCH_ASSOC); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 110 | 25 |  |             if (!$stmt) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 111 |  |  |                 throw new Exception\InvalidArgumentException("Query cannot be executed [$query]."); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 112 |  |  |             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 113 | 25 |  |             $results = new ArrayObject(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 114 | 25 |  |             foreach ($stmt as $row) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 115 | 25 |  |                 $results->append($row); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 116 | 25 |  |             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 117 | 25 |  |         } catch (Exception\InvalidArgumentException $e) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 118 |  |  |             throw $e; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 119 |  |  |         } catch (\Exception $e) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 120 |  |  |             $msg = "PDOException : {$e->getMessage()} [$query]"; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 121 |  |  |             throw new Exception\InvalidArgumentException($msg); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 122 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 123 | 25 |  |         return $results; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 124 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 125 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 126 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 127 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 128 |  |  |      * @param string $query | 
            
                                                                                                            
                            
            
                                    
            
            
                | 129 |  |  |      * @return ArrayObject | 
            
                                                                                                            
                            
            
                                    
            
            
                | 130 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 131 | 4 |  |     protected function executeMysqli($query) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 132 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 133 |  |  |         try { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 134 | 4 |  |             $r = $this->mysqli->query($query); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 135 | 4 |  |             if (!$r) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 136 |  |  |                 throw new Exception\InvalidArgumentException("Query cannot be executed [$query]."); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 137 | 4 |  |             } elseif (!$r instanceof \mysqli_result) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 138 |  |  |                 throw new Exception\InvalidArgumentException("Query didn't return any result [$query]."); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 139 |  |  |             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 140 |  |  |              | 
            
                                                                                                            
                            
            
                                    
            
            
                | 141 | 4 |  |             $results = new ArrayObject(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 142 |  |  |              | 
            
                                                                                                            
                            
            
                                    
            
            
                | 143 | 4 |  |             while ($row = $r->fetch_assoc()) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 144 | 4 |  |                 $results->append($row); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 145 | 4 |  |             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 146 |  |  |              | 
            
                                                                                                            
                            
            
                                    
            
            
                | 147 | 4 |  |         } catch (Exception\InvalidArgumentException $e) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 148 |  |  |             throw $e; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 149 |  |  |         } catch (\Exception $e) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 150 |  |  |             $msg = "MysqliException: {$e->getMessage()} [$query]"; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 151 |  |  |             throw new Exception\InvalidArgumentException($msg); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 152 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 153 | 4 |  |         return $results; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 154 |  |  |     } | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 155 |  |  | } | 
            
                                                        
            
                                    
            
            
                | 156 |  |  |  | 
            
                        
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: