select option selected multiple code example

Example 1: how to choose multiple option from select option

<!-- JUST ADD multiple ATTRIBUTE WITHIN select ATTRIBUTE -->
Cars:<br>
<select name="car" multiple>
    <option value="Volvo">Volvo</option>
    <option value="Thar">Thar</option>
    <option value="Audi">Audi</option>
</select>

Example 2: select2 multiple selected values

in_array($value, $array)