how take data from radio in php code example

Example 1: radio button select in php

<?php echo ($signi== 'Yes') ?  "checked" : "" ;  ?>

Example 2: How to Get Radio Button Value in PHP Without Submit

$('input[type=radio]').click(function(e) {
		
        var gender = $(this).val(); 
        $('.result').html(gender);
		
    });