2) Write a PHP script for the following: Design a form to accept a string. a. Write a function to find the length of given string without using built in functions. b. Write a function to count the total number of vowels i.e. (a,e,i,o,u) ) from the string. c. Convert the given string to lowercase and then to Title case. d. Pad the given string with “*” from left and right both the sides. e. Remove the leading whitespaces from the given string.

HTML CODE:

<html>
<body>
<form action="a2.php"method="GET">
     String:<input type="text" name="s"><br>
     <p>Which operation do you want to perform?</p>
     <input type="radio" name="op" value="1">
          <label for="length">length of string</label><br>
     <input type="radio" name="op" value="2">
          <label for="vowels">count the total no.of vowels</label><br>   
     <input type="radio" name="op" value="3">
          <label for="lowercase">string to lowercase and then to title case</label><br>   
     <input type="radio" name="op" value="4">
          <label for="padding">padding string with '*' from both sides</label><br>     
     <input type="radio" name="op" value="5">
          <label for="leading whitespace">remove leading whitespaces </label><br>  
     <input type="radio" name="op" value="6">
          <label for="reverse">reverse of string </label><br>  
<input type="submit">
</form>   
</body>
</html>

PHP CODE:

<?php
$str=$_GET['s'];
$ch=$_GET['op'];
switch($ch)
{
    case 1 : length($str);
         break;
         
    case 2 : vowels($str);
         break;
         
    case 3 : lowercase($str);
         break;
         
    case 4 : padding($str);
         break;
         
    case 5 : remove_whitespace($str);
             break; 
             
    case 6 : reverse($str);
             break;  
}

function length($str)
{
    $i=0;
    while($str[$i]!=NULL)
    {
        $i++;
    }
    echo"Length of string : $i";
}
    
function vowels($str)
{
    $c=strspn($str,"aeiou");
    echo"Total no.of vowels are : $c";
}

function lowercase($str)
{
    $a=strtolower($str);
    echo"\n Lowecase : $a";
    $b=UCwords($str);
    echo "\n Titlecase : $b";
}

function padding($str)
{
    $d=str_pad($str,15,"*",STR_PAD_BOTH);
    echo"Padding both sides : $d";
}

function remove_whitespace($str)
{
        $r=ltrim($str);
    echo"Remove whitespace : $r";
}   
    
function reverse($str)
{
    $l=strrev($str);
    echo"Reverse of string : $l";
}

?>  
    

ALL CLEAR PRACTICAL

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