update, bug fixed

Author: inhere

.gitignore

@@ -0,0 +1,9 @@
+.idea/
+.phpintel/
+/vendor/
+!README.md
+!.gitkeep
+composer.lock
+*.swp
+*.swo
+.DS_Store

src/ValidationTrait.php

@@ -139,10 +139,12 @@ public function validate(array $onlyChecked = [], $hasErrorStop=false)
             throw new \InvalidArgumentException('Must be defined property \'data (array)\' in the classes used.');
         }
 
-        if ( $this->_hasValidated || !($data = $this->data) ) {
+        if ( $this->_hasValidated ) {
             return $this;
         }
 
+        $data = $this->data;
+
         $this->clearErrors()->beforeValidate();
         $this->hasErrorStop($hasErrorStop);