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<?php |
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namespace micro\db; |
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/** |
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* Classe d'accès aux Bases de données encapsulant un objet PDO |
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* @author heron |
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* @version 1.0.0.3 |
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* @package db |
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* |
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*/ |
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class Database { |
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private $serverName; |
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private $port; |
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private $dbName; |
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private $user; |
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private $password; |
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private $pdoObject; |
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private $statements=[]; |
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/** |
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* Constructeur |
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* @param string $dbName |
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* @param string $serverName |
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* @param string $port |
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* @param string $user |
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* @param string $password |
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*/ |
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public function __construct($dbName, $serverName = "localhost", $port = "3306", |
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$user = "root", $password = "") { |
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$this->dbName = $dbName; |
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$this->serverName = $serverName; |
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$this->port = $port; |
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$this->user = $user; |
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$this->password = $password; |
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} |
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/** |
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* Réalise la connexion à la base de données |
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*/ |
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public function connect() { |
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try { |
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$this->pdoObject = new \PDO( |
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'mysql:host=' . $this->serverName . ';dbname=' |
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. $this->dbName . ';port:' . $this->port, |
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$this->user, $this->password); |
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$this->pdoObject->setAttribute(\PDO::ATTR_ERRMODE, \PDO::ERRMODE_EXCEPTION); |
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$this->pdoObject->exec("SET CHARACTER SET utf8"); |
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} catch (\PDOException $e) { |
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print "Error!: " . $e->getMessage() . "<br/>"; |
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} |
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} |
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/** |
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* Exécute l'instruction SQL passée en paramètre et retourne un statement |
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* @param string $sql |
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* @return PDOStatement |
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*/ |
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public function query($sql) { |
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return $this->pdoObject->query($sql); |
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} |
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public function prepareAndExecute($sql){ |
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$statement=$this->getStatement($sql); |
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$statement->execute(); |
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$result= $statement->fetchAll(); |
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$statement->closeCursor(); |
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return $result; |
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} |
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private function getStatement($sql){ |
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if(!isset($this->statements[$sql])){ |
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$this->statements[$sql]=$this->pdoObject->prepare($sql); |
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$this->statements[$sql]->setFetchMode(\PDO::FETCH_ASSOC); |
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} |
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return $this->statements[$sql]; |
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} |
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/** |
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* Exécute l'instruction sql $sql de mise à jour (INSERT, UPDATE ou DELETE) |
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* @return le nombre d'enregistrements affectés |
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*/ |
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public function execute($sql) { |
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return $this->pdoObject->exec($sql); |
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} |
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public function getServerName() { |
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return $this->serverName; |
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} |
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public function setServerName($serverName) { |
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$this->serverName = $serverName; |
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} |
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/** |
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* Prépare l'instruction $sql pour son exécution |
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* @param String $sql |
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* @return PDOStatement |
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*/ |
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public function prepareStatement($sql){ |
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return $this->pdoObject->prepare($sql); |
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} |
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/** |
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* Affecte la valeur $value au paramétre $parameter |
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* @param PDOStatement $statement |
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* @param String $parameter |
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* @param mixed $value |
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* @return boolean |
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*/ |
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public function bindValueFromStatement(\PDOStatement $statement,$parameter,$value){ |
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return $statement->bindValue(":".$parameter, $value); |
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} |
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/** |
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* retourne le dernier auto-increment généré |
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* @return integer |
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*/ |
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public function lastInserId(){ |
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return $this->pdoObject->lastInsertId(); |
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} |
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public function getTablesName(){ |
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$sql = 'SHOW TABLES'; |
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$query = $this->pdoObject->query($sql); |
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return $query->fetchAll(\PDO::FETCH_COLUMN); |
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} |
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} |
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phpMv /
ubiquity
