Fix lint

Author: vearutop

src/JsonPatch.php

@@ -92,10 +92,11 @@ public static function import(array $data)
             }
             $op->path = $operation->path;
             if ($op instanceof OpPathValue) {
-                if (!array_key_exists('value', (array)$operation)) {
+                if (property_exists($operation, 'value')) {
+                    $op->value = $operation->value;
+                } else {
                     throw new Exception('Missing "value" in operation data');
                 }
-                $op->value = $operation->value;
             } elseif ($op instanceof OpPathFrom) {
                 if (!isset($operation->from)) {
                     throw new Exception('Missing "from" in operation data');

src/JsonPointer.php

@@ -136,16 +136,16 @@ public static function add(&$holder, $pathItems, $value, $flags = self::RECURSIV
                     if ('-' === $key) {
                         $ref = &$ref[];
                     } else {
-                        if (is_array($ref) && array_key_exists($key, $ref) && empty($pathItems)) {
-                            array_splice($ref, $key, 0, array($value));
-                        }
                         if (false === $intKey) {
                             if (0 === ($flags & self::TOLERATE_ASSOCIATIVE_ARRAYS)) {
                                 throw new Exception('Invalid key for array operation');
                             }
                             $ref = &$ref[$key];
                             continue;
                         }
+                        if (is_array($ref) && array_key_exists($key, $ref) && empty($pathItems)) {
+                            array_splice($ref, $intKey, 0, array($value));
+                        }
                         if (0 === ($flags & self::TOLERATE_ASSOCIATIVE_ARRAYS)) {
                             if ($intKey > count($ref) && 0 === ($flags & self::RECURSIVE_KEY_CREATION)) {
                                 throw new Exception('Index is greater than number of items in array');

src/JsonValueReplace.php

@@ -48,6 +48,7 @@ public function process($data)
             }
         }
 
+        /** @var string[] $originalKeys */
         $originalKeys = $data instanceof \stdClass ? get_object_vars($data) : $data;
 
         if ($check) {