Actualización

vendor/league/csv/src/Plugin/ForbiddenNullValuesValidator.php

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+<?php
+/**
+* This file is part of the League.csv library
+*
+* @license http://opensource.org/licenses/MIT
+* @link https://github.com/thephpleague/csv/
+* @version 8.2.3
+* @package League.csv
+*
+* For the full copyright and license information, please view the LICENSE
+* file that was distributed with this source code.
+*/
+namespace League\Csv\Plugin;
+
+/**
+ *  A class to validate null value handling on data insertion into a CSV
+ *
+ * @package League.csv
+ * @since  7.0.0
+ *
+ */
+class ForbiddenNullValuesValidator
+{
+    /**
+     * Is the submitted row valid
+     *
+     * @param array $row
+     *
+     * @return bool
+     */
+    public function __invoke(array $row)
+    {
+        $res = array_filter($row, function ($value) {
+            return null === $value;
+        });
+
+        return !$res;
+    }
+}