drivers: getResource() and getResultResource() checks if resource is alive

dibi/drivers/firebird.php

@@ -235,7 +235,7 @@ class DibiFirebirdDriver extends DibiObject implements IDibiDriver, IDibiResultD
 	 */
 	public function getResource()
 	{
-		return $this->connection;
+		return is_resource($this->connection) ? $this->connection : NULL;
 	}
 
 
@@ -359,7 +359,7 @@ class DibiFirebirdDriver extends DibiObject implements IDibiDriver, IDibiResultD
 	 */
 	public function __destruct()
 	{
-		$this->resultSet && @$this->free();
+		$this->getResultResource() && $this->free();
 	}
 
 
@@ -431,7 +431,7 @@ class DibiFirebirdDriver extends DibiObject implements IDibiDriver, IDibiResultD
 	 */
 	public function getResultResource()
 	{
-		return $this->resultSet;
+		return is_resource($this->resultSet) ? $this->resultSet : NULL;
 	}
 
 

dibi/drivers/mssql.php

@@ -177,7 +177,7 @@ class DibiMsSqlDriver extends DibiObject implements IDibiDriver, IDibiResultDriv
 	 */
 	public function getResource()
 	{
-		return $this->connection;
+		return is_resource($this->connection) ? $this->connection : NULL;
 	}
 
 
@@ -307,7 +307,7 @@ class DibiMsSqlDriver extends DibiObject implements IDibiDriver, IDibiResultDriv
 	 */
 	public function __destruct()
 	{
-		$this->resultSet && @$this->free();
+		$this->getResultResource() && $this->free();
 	}
 
 
@@ -387,7 +387,7 @@ class DibiMsSqlDriver extends DibiObject implements IDibiDriver, IDibiResultDriv
 	 */
 	public function getResultResource()
 	{
-		return $this->resultSet;
+		return is_resource($this->resultSet) ? $this->resultSet : NULL;
 	}
 
 

dibi/drivers/mssql2005.php

@@ -184,7 +184,7 @@ class DibiMsSql2005Driver extends DibiObject implements IDibiDriver, IDibiResult
 	 */
 	public function getResource()
 	{
-		return $this->connection;
+		return is_resource($this->connection) ? $this->connection : NULL;
 	}
 
 
@@ -314,7 +314,7 @@ class DibiMsSql2005Driver extends DibiObject implements IDibiDriver, IDibiResult
 	 */
 	public function __destruct()
 	{
-		$this->resultSet && @$this->free();
+		$this->getResultResource() && $this->free();
 	}
 
 
@@ -393,7 +393,7 @@ class DibiMsSql2005Driver extends DibiObject implements IDibiDriver, IDibiResult
 	 */
 	public function getResultResource()
 	{
-		return $this->resultSet;
+		return is_resource($this->resultSet) ? $this->resultSet : NULL;
 	}
 
 }

dibi/drivers/mysql.php

@@ -255,7 +255,7 @@ class DibiMySqlDriver extends DibiObject implements IDibiDriver, IDibiResultDriv
 	 */
 	public function getResource()
 	{
-		return $this->connection;
+		return is_resource($this->connection) ? $this->connection : NULL;
 	}
 
 
@@ -384,7 +384,7 @@ class DibiMySqlDriver extends DibiObject implements IDibiDriver, IDibiResultDriv
 	 */
 	public function __destruct()
 	{
-		$this->resultSet && @$this->free();
+		$this->getResultResource() && $this->free();
 	}
 
 
@@ -473,7 +473,7 @@ class DibiMySqlDriver extends DibiObject implements IDibiDriver, IDibiResultDriv
 	 */
 	public function getResultResource()
 	{
-		return $this->resultSet;
+		return is_resource($this->resultSet) ? $this->resultSet : NULL;
 	}
 
 }

dibi/drivers/mysqli.php

@@ -252,7 +252,7 @@ class DibiMySqliDriver extends DibiObject implements IDibiDriver, IDibiResultDri
 	 */
 	public function getResource()
 	{
-		return $this->connection;
+		return @$this->connection->thread_id ? $this->connection : NULL;
 	}
 
 
@@ -380,7 +380,7 @@ class DibiMySqliDriver extends DibiObject implements IDibiDriver, IDibiResultDri
 	 */
 	public function __destruct()
 	{
-		$this->resultSet && @$this->free();
+		$this->getResultResource() && $this->free();
 	}
 
 
@@ -479,7 +479,7 @@ class DibiMySqliDriver extends DibiObject implements IDibiDriver, IDibiResultDri
 	 */
 	public function getResultResource()
 	{
-		return $this->resultSet;
+		return @$this->resultSet->type === NULL ? NULL : $this->resultSet;
 	}
 
 }

dibi/drivers/odbc.php

@@ -200,7 +200,7 @@ class DibiOdbcDriver extends DibiObject implements IDibiDriver, IDibiResultDrive
 	 */
 	public function getResource()
 	{
-		return $this->connection;
+		return is_resource($this->connection) ? $this->connection : NULL;
 	}
 
 
@@ -327,7 +327,7 @@ class DibiOdbcDriver extends DibiObject implements IDibiDriver, IDibiResultDrive
 	 */
 	public function __destruct()
 	{
-		$this->resultSet && @$this->free();
+		$this->getResultResource() && $this->free();
 	}
 
 
@@ -417,7 +417,7 @@ class DibiOdbcDriver extends DibiObject implements IDibiDriver, IDibiResultDrive
 	 */
 	public function getResultResource()
 	{
-		return $this->resultSet;
+		return is_resource($this->resultSet) ? $this->resultSet : NULL;
 	}
 
 

dibi/drivers/oracle.php

@@ -191,7 +191,7 @@ class DibiOracleDriver extends DibiObject implements IDibiDriver, IDibiResultDri
 	 */
 	public function getResource()
 	{
-		return $this->connection;
+		return is_resource($this->connection) ? $this->connection : NULL;
 	}
 
 
@@ -321,7 +321,7 @@ class DibiOracleDriver extends DibiObject implements IDibiDriver, IDibiResultDri
 	 */
 	public function __destruct()
 	{
-		$this->resultSet && @$this->free();
+		$this->getResultResource() && $this->free();
 	}
 
 
@@ -400,7 +400,7 @@ class DibiOracleDriver extends DibiObject implements IDibiDriver, IDibiResultDri
 	 */
 	public function getResultResource()
 	{
-		return $this->resultSet;
+		return is_resource($this->resultSet) ? $this->resultSet : NULL;
 	}
 
 

dibi/drivers/postgre.php

@@ -231,7 +231,7 @@ class DibiPostgreDriver extends DibiObject implements IDibiDriver, IDibiResultDr
 	 */
 	public function getResource()
 	{
-		return $this->connection;
+		return is_resource($this->connection) ? $this->connection : NULL;
 	}
 
 
@@ -374,7 +374,7 @@ class DibiPostgreDriver extends DibiObject implements IDibiDriver, IDibiResultDr
 	 */
 	public function __destruct()
 	{
-		$this->resultSet && @$this->free();
+		$this->getResultResource() && $this->free();
 	}
 
 
@@ -455,7 +455,7 @@ class DibiPostgreDriver extends DibiObject implements IDibiDriver, IDibiResultDr
 	 */
 	public function getResultResource()
 	{
-		return $this->resultSet;
+		return is_resource($this->resultSet) ? $this->resultSet : NULL;
 	}
 
 

dibi/drivers/sqlite.php

@@ -202,7 +202,7 @@ class DibiSqliteDriver extends DibiObject implements IDibiDriver, IDibiResultDri
 	 */
 	public function getResource()
 	{
-		return $this->connection;
+		return is_resource($this->connection) ? $this->connection : NULL;
 	}
 
 
@@ -412,7 +412,7 @@ class DibiSqliteDriver extends DibiObject implements IDibiDriver, IDibiResultDri
 	 */
 	public function getResultResource()
 	{
-		return $this->resultSet;
+		return is_resource($this->resultSet) ? $this->resultSet : NULL;
 	}