Fix PHP/8.x warnings

Author: technicalguru

src/TgDatabase/Criterion/LogicalExpression.php

@@ -7,6 +7,9 @@
 
 class LogicalExpression implements Criterion {
 
+	public $op;
+	public $criterions;
+
 	public function __construct($op, ...$criterions) {
 		$this->op         = $op;
 		if ((count($criterions) == 1) and is_array($criterions[0])) {

src/TgDatabase/Criterion/QueryImpl.php

@@ -12,6 +12,19 @@
 
 class QueryImpl implements Query {
 
+	public $database;
+	public $tableName;
+	public $resultClassName;
+	public $alias;
+	public $columns;
+	public $subqueries;
+	public $groupBy;
+	public $having;
+	public $criterions;
+	public $orders;
+	public $firstResult;
+	public $maxResults;
+
 	public function __construct($database, $tableName, $resultClassName = NULL, $alias = NULL) {
 		$this->database        = $database;
 		$this->tableName       = $tableName;

src/TgDatabase/Criterion/SimpleExpression.php

@@ -7,6 +7,11 @@
 
 class SimpleExpression implements Criterion {
 
+	public $propertyName;
+	public $value;
+	public $op;
+	public $ignoreCase;
+
 	public function __construct($propertyName, $value, $op, $ignoreCase = FALSE) {
 		$this->propertyName = $propertyName;
 		$this->value        = $value;