how to get the value of selected option in php code example

Example 1: php get option value

<?php
    if(isset($_POST['submit'])){
    if(!empty($_POST['Fruit'])) {
        $selected = $_POST['Fruit'];
        echo 'You have chosen: ' . $selected;
    } else {
        echo 'Please select the value.';
    }
    }
?>

Example 2: get the selected value of dropdown php

function run() {
    document.getElementById("resultColorValue").innerHTML = document.getElementById("Color").value;
}