Query escape rebuild to support non Latin character sets

Author: pdphilip

src/DSL/QueryBuilder.php

@@ -247,21 +247,18 @@ private static function _parseParams($key, $value): string
 
     }
 
-    public static function _escape($string): string
+    
+    private static function _escape($value)
     {
-        //+ - = && || > < ! ( ) { } [ ] ^ " ~ * ? : \ /
-        $stripped = preg_replace('/\W/', '\\\\$0', $string);
-        
-        //Put the spaces back;
-        $stripped = str_replace('\ ', ' ', $stripped);
-        //Edge cases
-        $stripped = str_replace('\&\&', '\&&', $stripped);
-        $stripped = str_replace('\|\|', '\||', $stripped);
-        
-        return $stripped;
+        $specialChars = ['+', '-', '=', '&&', '||', '>', '<', '!', '(', ')', '{', '}', '[', ']', '^', '"', '~', '\\'];
+        foreach ($specialChars as $char) {
+            $value = str_replace($char, "\\".$char, $value);
+        }
 
+        return $value;
     }
 
+    
     private function _buildQuery($wheres): array
     {
         if (!$wheres) {