diff --git a/system/arrayClass/Aux/LegacyAux.php b/system/arrayClass/Aux/LegacyAux.php
new file mode 100644
index 0000000..df15728
--- /dev/null
+++ b/system/arrayClass/Aux/LegacyAux.php
@@ -0,0 +1,79 @@
+<?php
+/*
+ * Copyright © 2023 ExacTI Technology Solutions. All rights reserved.
+ * GPLv3 General License.
+ * https://exacti.com.br
+ */
+
+
+namespace Phacil\Framework\ArrayClass\Aux; 
+
+abstract class LegacyAux
+{
+	protected $_container = array();
+
+	/**
+	 * Assigns a value to the specified offset
+	 *
+	 * @param string $offset The offset to assign the value to
+	 * @param mixed  $value The value to set
+	 * @access public
+	 * @abstracting ArrayAccess
+	 * 
+	 * @return void
+	 */
+	public function offsetSet($offset, $value)
+	{
+		if (is_string($offset)) $offset = strtolower($offset);
+		if (is_null($offset)) {
+			$this->_container[] = $value;
+		} else {
+			$this->_container[$offset] = $value;
+		}
+	}
+
+	/**
+	 * Whether or not an offset exists
+	 *
+	 * @param string $offset An offset to check for
+	 * @access public
+	 * @return bool
+	 * @abstracting ArrayAccess
+	 */
+	public function offsetExists($offset)
+	{
+		if (is_string($offset)) $offset = strtolower($offset);
+		return isset($this->_container[$offset]);
+	}
+
+	/**
+	 * Unsets an offset
+	 *
+	 * @param string $offset The offset to unset
+	 * @access public
+	 * @abstracting ArrayAccess
+	 * 
+	 * @return void
+	 */
+	public function offsetUnset($offset)
+	{
+		if (is_string($offset)) $offset = strtolower($offset);
+		unset($this->_container[$offset]);
+	}
+
+	/**
+	 * Returns the value at specified offset
+	 *
+	 * @param string $offset The offset to retrieve
+	 * @access public
+	 * @return mixed
+	 * @abstracting ArrayAccess
+	 */
+	public function offsetGet($offset)
+	{
+		if (is_string($offset)) $offset = strtolower($offset);
+		return isset($this->_container[$offset])
+			? $this->_container[$offset]
+			: null;
+	}
+}
\ No newline at end of file
diff --git a/system/arrayClass/Aux/ModernAux.php b/system/arrayClass/Aux/ModernAux.php
new file mode 100644
index 0000000..a3b8bdc
--- /dev/null
+++ b/system/arrayClass/Aux/ModernAux.php
@@ -0,0 +1,80 @@
+<?php
+/**
+ * Copyright © 2023 ExacTI Technology Solutions. All rights reserved.
+ * GPLv3 General License.
+ * https://exacti.com.br
+ * Phacil PHP Framework - https://github.com/exacti/phacil-framework
+ */
+
+
+namespace Phacil\Framework\ArrayClass\Aux; 
+
+abstract class ModernAux
+{
+	protected $_container = array();
+
+	/**
+	 * Assigns a value to the specified offset
+	 *
+	 * @param string $offset The offset to assign the value to
+	 * @param mixed  $value The value to set
+	 * @access public
+	 * @abstracting ArrayAccess
+	 * 
+	 * @return void
+	 */
+	public function offsetSet($offset, $value): void
+	{
+		if (is_string($offset)) $offset = strtolower($offset);
+		if (is_null($offset)) {
+			$this->_container[] = $value;
+		} else {
+			$this->_container[$offset] = $value;
+		}
+	}
+
+	/**
+	 * Whether or not an offset exists
+	 *
+	 * @param string $offset An offset to check for
+	 * @access public
+	 * @return bool
+	 * @abstracting ArrayAccess
+	 */
+	public function offsetExists($offset): bool
+	{
+		if (is_string($offset)) $offset = strtolower($offset);
+		return isset($this->_container[$offset]);
+	}
+
+	/**
+	 * Unsets an offset
+	 *
+	 * @param string $offset The offset to unset
+	 * @access public
+	 * @abstracting ArrayAccess
+	 * 
+	 * @return void
+	 */
+	public function offsetUnset($offset): void
+	{
+		if (is_string($offset)) $offset = strtolower($offset);
+		unset($this->_container[$offset]);
+	}
+
+	/**
+	 * Returns the value at specified offset
+	 *
+	 * @param string $offset The offset to retrieve
+	 * @access public
+	 * @return mixed
+	 * @abstracting ArrayAccess
+	 */
+	public function offsetGet($offset): mixed
+	{
+		if (is_string($offset)) $offset = strtolower($offset);
+		return isset($this->_container[$offset])
+			? $this->_container[$offset]
+			: null;
+	}
+}
\ No newline at end of file
diff --git a/system/arrayClass/caseInsensitiveArray.php b/system/arrayClass/caseInsensitiveArray.php
index 8e110cc..366b03d 100644
--- a/system/arrayClass/caseInsensitiveArray.php
+++ b/system/arrayClass/caseInsensitiveArray.php
@@ -7,82 +7,32 @@
 
 namespace Phacil\Framework\ArrayClass;
 
-class CaseInsensitiveArray implements \ArrayAccess
-{
-	private $_container = array();
+if (version_compare(phpversion(), "7.1.0", "<")) {
 
-	/**
-	 * @param array $initial_array 
-	 * @return void 
-	 */
-	public function __construct(array $initial_array = array())
-	{
-		//$this->_container = array_map("strtolower", $initial_array);
-		$this->_container = array_change_key_case($initial_array);
+	class supCaseComp extends \Phacil\Framework\ArrayClass\Aux\LegacyAux {
+		
 	}
 
-	/**
-	 * Assigns a value to the specified offset
-	 *
-	 * @param string $offset The offset to assign the value to
-	 * @param mixed  $value The value to set
-	 * @access public
-	 * @abstracting ArrayAccess
-	 * 
-	 * @return void
-	 */
-	public function offsetSet($offset, $value)
+} else {
+	class supCaseComp extends \Phacil\Framework\ArrayClass\Aux\ModernAux
 	{
-		if (is_string($offset)) $offset = strtolower($offset);
-		if (is_null($offset)) {
-			$this->_container[] = $value;
-		} else {
-			$this->_container[$offset] = $value;
-		}
+		
 	}
 
-	/**
-	 * Whether or not an offset exists
-	 *
-	 * @param string $offset An offset to check for
-	 * @access public
-	 * @return bool
-	 * @abstracting ArrayAccess
-	 */
-	public function offsetExists($offset)
-	{
-		if (is_string($offset)) $offset = strtolower($offset);
-		return isset($this->_container[$offset]);
-	}
+}
 
-	/**
-	 * Unsets an offset
-	 *
-	 * @param string $offset The offset to unset
-	 * @access public
-	 * @abstracting ArrayAccess
-	 * 
-	 * @return void
-	 */
-	public function offsetUnset($offset)
-	{
-		if (is_string($offset)) $offset = strtolower($offset);
-		unset($this->_container[$offset]);
-	}
+class CaseInsensitiveArray extends supCaseComp implements \ArrayAccess
+{
+	protected $_container = array();
 
 	/**
-	 * Returns the value at specified offset
-	 *
-	 * @param string $offset The offset to retrieve
-	 * @access public
-	 * @return mixed
-	 * @abstracting ArrayAccess
+	 * @param array $initial_array 
+	 * @return void 
 	 */
-	public function offsetGet($offset)
+	public function __construct(array $initial_array = array())
 	{
-		if (is_string($offset)) $offset = strtolower($offset);
-		return isset($this->_container[$offset])
-			? $this->_container[$offset]
-			: null;
+		//$this->_container = array_map("strtolower", $initial_array);
+		$this->_container = array_change_key_case($initial_array);
 	}
+
 }
\ No newline at end of file
diff --git a/system/database/databases/object/Aux/ComplementItem.php b/system/database/databases/object/Aux/ComplementItem.php
new file mode 100644
index 0000000..4b6386d
--- /dev/null
+++ b/system/database/databases/object/Aux/ComplementItem.php
@@ -0,0 +1,33 @@
+<?php 
+/**
+ * Copyright © 2023 ExacTI Technology Solutions. All rights reserved.
+ * GPLv3 General License.
+ * https://exacti.com.br
+ * Phacil PHP Framework - https://github.com/exacti/phacil-framework
+ */
+
+namespace Phacil\Framework\Databases\Object\Aux;
+
+abstract class ComplementItem {
+	/**
+	 * 
+	 * @var array|null
+	 */
+	protected $__data = null;
+
+	/**
+	 * 
+	 * @return int<0, \max> 
+	 */
+	public function count(): int {
+		return count($this->__data);
+	}
+
+	/**
+	 * 
+	 * @return \Traversable<mixed, mixed>|mixed[] 
+	 */
+	public function getIterator(): \Traversable {
+		return new \ArrayIterator($this->__data);
+	}
+}
\ No newline at end of file
diff --git a/system/database/databases/object/Aux/ComplementItemLegacy.php b/system/database/databases/object/Aux/ComplementItemLegacy.php
new file mode 100644
index 0000000..1daa822
--- /dev/null
+++ b/system/database/databases/object/Aux/ComplementItemLegacy.php
@@ -0,0 +1,32 @@
+<?php 
+/*
+ * Copyright © 2023 ExacTI Technology Solutions. All rights reserved.
+ * GPLv3 General License.
+ * https://exacti.com.br
+ */
+
+namespace Phacil\Framework\Databases\Object\Aux;
+
+abstract class ComplementItemLegacy {
+	/**
+	 * 
+	 * @var array|null
+	 */
+	protected $__data = null;
+
+	/**
+	 * 
+	 * @return int<0, \max> 
+	 */
+	public function count() {
+		return count($this->__data);
+	}
+
+	/**
+	 * 
+	 * @return \Traversable<mixed, mixed>|mixed[] 
+	 */
+	public function getIterator() {
+		return new \ArrayIterator($this->__data);
+	}
+}
\ No newline at end of file
diff --git a/system/database/databases/object/Aux/ComplementResult.php b/system/database/databases/object/Aux/ComplementResult.php
new file mode 100644
index 0000000..e0920db
--- /dev/null
+++ b/system/database/databases/object/Aux/ComplementResult.php
@@ -0,0 +1,30 @@
+<?php
+/*
+ * Copyright © 2023 ExacTI Technology Solutions. All rights reserved.
+ * GPLv3 General License.
+ * https://exacti.com.br
+ */
+
+namespace Phacil\Framework\Databases\Object\Aux;
+
+abstract class ComplementResult
+{
+	/**
+	 * {@inheritdoc}
+	 * @return int<0, \max> 
+	 */
+	public function count(): int
+	{
+		return (int) $this->getNumRows();
+	}
+
+	/**
+	 * {@inheritdoc}
+	 */
+	public function getIterator(): \Traversable
+	{
+		$this->loop($this->rows);
+		return $this->data;
+		//return new \ArrayIterator($this->loop($this->rows));
+	}
+}
\ No newline at end of file
diff --git a/system/database/databases/object/Aux/ComplementResultLegacy.php b/system/database/databases/object/Aux/ComplementResultLegacy.php
new file mode 100644
index 0000000..8aca2ee
--- /dev/null
+++ b/system/database/databases/object/Aux/ComplementResultLegacy.php
@@ -0,0 +1,31 @@
+<?php
+/**
+ * Copyright © 2023 ExacTI Technology Solutions. All rights reserved.
+ * GPLv3 General License.
+ * https://exacti.com.br
+ * Phacil PHP Framework - https://github.com/exacti/phacil-framework
+ */
+
+namespace Phacil\Framework\Databases\Object\Aux;
+
+abstract class ComplementResultLegacy
+{
+	/**
+	 * {@inheritdoc}
+	 * @return int<0, \max> 
+	 */
+	public function count()
+	{
+		return (int) $this->getNumRows();
+	}
+
+	/**
+	 * {@inheritdoc}
+	 */
+	public function getIterator()
+	{
+		$this->loop($this->rows);
+		return $this->data;
+		//return new \ArrayIterator($this->loop($this->rows));
+	}
+}
\ No newline at end of file
diff --git a/system/database/databases/object/item.php b/system/database/databases/object/item.php
index 7fe25d2..341d1e8 100644
--- a/system/database/databases/object/item.php
+++ b/system/database/databases/object/item.php
@@ -11,18 +11,23 @@ namespace Phacil\Framework\Databases\Object;
 use Phacil\Framework\Databases\Object\ItemInterface as ObjectInterface;
 use Traversable;
 
+if (version_compare(phpversion(), "7.1.0", ">=")) {
+	class ComplementItem extends \Phacil\Framework\Databases\Object\Aux\ComplementItem
+	{
+	}
+} else {
+	class ComplementItem extends \Phacil\Framework\Databases\Object\Aux\ComplementItemLegacy
+	{
+	}
+}
+
 /**
  * {@inheritdoc}
  * @method mixed getValue(string $field) 
  * @method mixed getValues(string field, ...) 
  * @package Phacil\Framework\Databases\Object
  */
-class Item implements ObjectInterface {
-	/**
-	 * 
-	 * @var array|null
-	 */
-	protected $__data = null;
+class Item extends ComplementItem implements ObjectInterface {
 
 	/**
 	 * 
@@ -34,14 +39,6 @@ class Item implements ObjectInterface {
 		return $this;
 	}
 
-	/**
-	 * 
-	 * @return int<0, \max> 
-	 */
-	public function count(): int {
-		return count($this->__data);
-	}
-
 	/**
 	 * 
 	 * @param array $data 
@@ -61,24 +58,16 @@ class Item implements ObjectInterface {
 		return $this;
 	}
 
-	/**
-	 * 
-	 * @return \Traversable<mixed, mixed>|mixed[] 
-	 */
-	public function getIterator(): Traversable {
-		return new \ArrayIterator($this->__data);
-	}
-
 	/**
 	 * @param string $key 
 	 * @return mixed 
 	 */
 	private function _getValue($key){
-		return $this->__data[$key] ?? null;
+		return isset($this->__data[$key]) ? $this->__data[$key] : null;
 	}
 
 	public function __get($key){
-		return $this->__data[$key] ?? null;
+		return isset($this->__data[$key]) ? $this->__data[$key] : null;
 	}
 
 	/**
diff --git a/system/database/databases/object/result.php b/system/database/databases/object/result.php
index 3302b60..774369a 100644
--- a/system/database/databases/object/result.php
+++ b/system/database/databases/object/result.php
@@ -11,7 +11,19 @@ namespace Phacil\Framework\Databases\Object;
 use Phacil\Framework\Databases\Object\ResultInterface;
 use SplObjectStorage;
 
-class Result implements ResultInterface {
+if (version_compare(phpversion(), "7.1.0", ">=")) {
+	class ComplementResult extends \Phacil\Framework\Databases\Object\Aux\ComplementResult
+	{
+		
+	}
+
+} else {
+	class ComplementResult extends \Phacil\Framework\Databases\Object\Aux\ComplementResultLegacy{
+	
+	}
+}
+
+class Result extends ComplementResult implements ResultInterface {
 
 	/**
 	 * 
@@ -37,14 +49,6 @@ class Result implements ResultInterface {
 	 */
 	public $data = null;
 
-	/**
-	 * {@inheritdoc}
-	 * @return int<0, \max> 
-	 */
-	public function count(): int { 
-		return (int) $this->getNumRows();
-	}
-
 	/**
 	 * 
 	 * {@inheritdoc}
@@ -87,7 +91,7 @@ class Result implements ResultInterface {
 	 * {@inheritdoc}
 	 */
 	public function getRow($numRow = false){
-		return $numRow ? ($this->rows[$numRow + 1]?? null ) : $this->row;
+		return $numRow ? (isset($this->rows[$numRow + 1])?$this->rows[$numRow + 1] : null ) : $this->row;
 	}
 
 	/**
@@ -131,15 +135,5 @@ class Result implements ResultInterface {
 
 		return $this->data;
 	}
-
-	/**
-	 * {@inheritdoc}
-	 */
-	public function getIterator(): \Traversable 
-	{
-		$this->loop($this->rows);
-		return $this->data;
-		//return new \ArrayIterator($this->loop($this->rows));
-	}
 	
 }
\ No newline at end of file
diff --git a/system/magiql/Syntax/Column.php b/system/magiql/Syntax/Column.php
index 8c0a2e4..0ab538b 100644
--- a/system/magiql/Syntax/Column.php
+++ b/system/magiql/Syntax/Column.php
@@ -112,7 +112,7 @@ class Column implements QueryPartInterface
      */
     public function setAlias($alias)
     {
-        if (0 == \strlen($alias)) {
+        if (!$alias || 0 == \strlen($alias)) {
             $this->alias = null;
 
             return $this;