remove resource type checks

I am also of the opinion that the resource type checks are unhappy. We depend on driver internals.

lib/Doctrine/DBAL/Driver/SQLAnywhere/SQLAnywhereConnection.php

@@ -48,16 +48,9 @@ class SQLAnywhereConnection implements Connection, ServerInfoAwareConnection
      */
     public function __construct($dsn, $persistent = false)
     {
-        $allowedResourceTypes = array(
-            'SQLAnywhere connection'
-            ,'SQLAnywhere persistent connection ' //note the blank!
-        );
-
         $this->connection = $persistent ? @sasql_pconnect($dsn) : @sasql_connect($dsn);
 
-        $resourceType = get_resource_type($this->connection);
-
-        if ( ! is_resource($this->connection) || !in_array($resourceType, $allowedResourceTypes, true)) {
+        if ( ! is_resource($this->connection)) {
             throw SQLAnywhereException::fromSQLAnywhereError();
         }
 

lib/Doctrine/DBAL/Driver/SQLAnywhere/SQLAnywhereException.php

@@ -42,11 +42,11 @@ class SQLAnywhereException extends AbstractDriverException
      */
     public static function fromSQLAnywhereError($conn = null, $stmt = null)
     {
-        if (null !== $conn && ! (is_resource($conn) && get_resource_type($conn) === 'SQLAnywhere connection')) {
+        if (null !== $conn && ! (is_resource($conn))) {
             throw new \InvalidArgumentException('Invalid SQL Anywhere connection resource given: ' . $conn);
         }
 
-        if (null !== $stmt && ! (is_resource($stmt) && get_resource_type($stmt) === 'SQLAnywhere statement')) {
+        if (null !== $stmt && ! (is_resource($stmt))) {
             throw new \InvalidArgumentException('Invalid SQL Anywhere statement resource given: ' . $stmt);
         }
 

lib/Doctrine/DBAL/Driver/SQLAnywhere/SQLAnywhereStatement.php

@@ -74,21 +74,14 @@ class SQLAnywhereStatement implements IteratorAggregate, Statement
      */
     public function __construct($conn, $sql)
     {
-        $allowedResourceTypes = array(
-            'SQLAnywhere connection'
-            ,'SQLAnywhere persistent connection '  //note the blank! 
-        );
-
-        $resourceType = get_resource_type($conn);
-
-        if ( ! is_resource($conn) || !in_array($resourceType, $allowedResourceTypes, true)) {
+        if ( ! is_resource($conn)) {
             throw new SQLAnywhereException('Invalid SQL Anywhere connection resource: ' . $conn);
         }
 
         $this->conn = $conn;
         $this->stmt = sasql_prepare($conn, $sql);
 
-        if ( ! is_resource($this->stmt) || get_resource_type($this->stmt) !== 'SQLAnywhere statement') {
+        if ( ! is_resource($this->stmt)) {
             throw SQLAnywhereException::fromSQLAnywhereError($conn);
         }
     }
@@ -202,7 +195,7 @@ class SQLAnywhereStatement implements IteratorAggregate, Statement
      */
     public function fetch($fetchMode = null)
     {
-        if ( ! is_resource($this->result) || get_resource_type($this->result) !== 'SQLAnywhere result') {
+        if ( ! is_resource($this->result)) {
             return false;
         }