src/Helpers/Request/RequestAppHelperProxy.php
protected function injectVariableToArguments($variable, &$arguments, $position = -1) {
        $argsCount = count($arguments);
        //Negative value handle (from end)
        if ($position < 0) {
            $position = $argsCount - $position;
        }
        if (!isset($arguments[$position]) && $position >= 0 && $position <= $argsCount) {
           $arguments[$position] = $variable;
        }
    }
protected function injectVariableToArguments($variable, &$arguments, $position = -1) {
        $argsCount = count($arguments);
        //Negative value handle (from end)
        if ($position < 0) {
            $position = $argsCount - $position;
        }
        if (!isset($arguments[$position]) && $position >= 0 && $position <= $argsCount) {
           $arguments[$position] = $variable;
        }
    }
Inject variable to arguments array at given position
@param mixed $variable
@param array $arguments
@param int $position