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gestor.php
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gestor.php
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<?php
class Gestor
{
private $db_server = 'localhost';
private $db_name = 'newsletter';
private $db_charset = 'utf8';
private $db_username = 'root';
PRIVATE $db_password = '';
//==================================================================
public function EXE_QUERY($query, $parameters = null, $debug = true, $close_connection = true){
//executes a query the the database (SELECT)
$results = null;
//connection
$connection = new PDO(
'mysql:host='.$this->db_server.
';dbname='.$this->db_name.
';charset='.$this->db_charset,
$this->db_username,
$this->db_password,
array(PDO::ATTR_PERSISTENT => true));
if($debug){
$connection->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
$connection->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_WARNING);
}
//execution
try {
if ($parameters != null) {
$gestor = $connection->prepare($query);
$gestor->execute($parameters);
$results = $gestor->fetchAll(PDO::FETCH_ASSOC);
} else {
$gestor = $connection->prepare($query);
$gestor->execute();
$results = $gestor->fetchAll(PDO::FETCH_ASSOC);
}
} catch (PDOException $e) {
return false;
}
//close connection
if ($close_connection) {
$connection = null;
}
//returns results
return $results;
}
//==================================================================
public function EXE_NON_QUERY($query, $parameters = null, $debug = true, $close_connection = true){
//executes a query to the database (INSERT, UPDATE, DELETE)
//connection
$connection = new PDO(
'mysql:host='.$this->db_server.
';dbname='.$this->db_name.
';charset='.$this->db_charset,
$this->db_username,
$this->db_password,
array(PDO::ATTR_PERSISTENT => true));
if($debug){
$connection->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
$connection->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_WARNING);
}
//execution
$connection->beginTransaction();
try {
if ($parameters != null) {
$gestor = $connection->prepare($query);
$gestor->execute($parameters);
} else {
$gestor = $connection->prepare($query);
$gestor->execute();
}
$connection->commit();
} catch (PDOException $e) {
$connection->rollBack();
return false;
}
//close connection
if ($close_connection) {
$connection = null;
}
return true;
}
}