src/FormBuilder.php
public function submit(?string $value = null, array $options = []): Htmlable
    {
        return $this->input('submit', null, $value, $options);
    }
public function submit(?string $value = null, array $options = []): Htmlable
    {
        return $this->input('submit', null, $value, $options);
    }
Create a submit button element.

@param  string|null  $value
@param  array  $options

@return \Illuminate\Contracts\Support\Htmlable