- Some work done on correcting LDAP package compatibility

src/Query/Having.php

@@ -29,6 +29,9 @@ class Having extends Fragment {
 
     public function add($field, $value, string $operator, string $condition, bool $not = false) : self
     {
+        $this->validateFieldType($field);
+        # $this->validateValueType($value);
+
         $this->conditionList[] = [
             $field,
             $value,
@@ -102,7 +105,8 @@ class Having extends Fragment {
                     return (in_array($this->operator, [ '!=', '<>' ]) ? Where::CONDITION_NOT . " " : "") . Where::COMPARISON_IN;
                 }
 
-                return $this->operator;
+                # whitelisting operators
+                return in_array(strtoupper($this->operator), [ '=', '!=', '<>', 'LIKE' ]) ? $this->operator : "=";
             }
 
             protected function value()
@@ -124,6 +128,7 @@ class Having extends Fragment {
             {
                 if ( $value === null ) {
                     $this->operator = in_array($this->operator, [ '!=', '<>' ]) ? Where::COMPARISON_IS . " " . Where::CONDITION_NOT : Where::COMPARISON_IS;
+
                     return Where::COMPARISON_NULL;
                 }
                 elseif ( is_object($value) && ( $value instanceof EntityField ) ) {