checkbox + old + contains + laravel blade code example

Example: old function use in checkbox selected in laravel blade

// old selected checkbox in blade template using old function
<label class="form-check-inline">
    <input class="form-check-input" type="checkbox" name="hobby[]" value="1" 
	{{ (is_array(old('hobby')) && in_array(1, old('hobby'))) ? ' checked' : '' }}> football
</label>
//@sujay