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1. Write a PHP script to sort the following associative array : array("Sophia"=>"31","Jacob"=>"41","William"=>"39","Ramesh"=>"40") in a) ascending order sort by value b) ascending order sort by Key c) descending order sorting by Value d) descending order sorting by Key

 HTML CODE: 

<html>
<head>
<style>
html
{
       background-color:lightpink
}
</style>
</head>

<body>

<form action="c1.php"method="GET">
     <p><b> Which operation do you want to perform? </b></p>
     <input type="radio" name="op" value="1">
         <i> <label for="ascV">ascending order sort by value<label></i><br><br>
**********************************************************************************************************************
<br>
     <input type="radio" name="op" value="2">
        <i>  <label for="ascK">ascending order sort by key</label></i><br><br>  
**********************************************************************************************************************
<br>
     <input type="radio" name="op" value="3">
        <i>  <label for="desV">descending order sort by value</label></i><br><br>
**********************************************************************************************************************
<br>
     <input type="radio" name="op" value="4">
       <i>   <label for="desK">descending order sort by key<label></i><br><br>
**********************************************************************************************************************  
<br>
<br>
<input type="submit" value="submit">
</form>  
</body>
</html>



PHP CODE:

<?php
$ch=$_GET['op'];
$arr=array("Sophia"=>31,"Jacob"=>41,"William"=>39,"Ramesh"=>40);

switch($ch)
{
   
    case 1 : $p=asort($arr);
         echo"Ascending order sort by value";
         print_r($arr);
             break;
           
    case 2 : $p=ksort($arr);
         echo"Ascending order sort by key";
         print_r($arr);
                 break;
               
        case 3 : $p=arsort($arr);
         echo"Descending order sort by value";
         print_r($arr);
                 break;
                 
        case 4 : $p=krsort($arr);
         echo"Descending order sort by key";
         print_r($arr);
             break;
}

?>

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