Call a private or protected method or property.

restirctedInvoker.php

<?php
private function invokeRestrictedMethodAndProperties($object, $methodName, $args = [], $properties = [])
{
    $reflectionClass = new \ReflectionClass(get_class($object));
    $method = $reflectionClass->getMethod($methodName);
    $method->setAccessible(true);
    foreach ($properties as $propertyKey => $value) {
        $prop = $reflectionClass->getProperty($propertyKey);
        $prop->setAccessible(true);
        $prop->setValue($object, $value);
    }
    return $method->invokeArgs($object, $args);
}