Operations on Strings using Radio Buttons
Demo.html
<html>
<title>
String Operations using functions</title>
<body
style="background-color:cyan";>
<h1>
Operations on Strings using Radio Buttons</h1>
<form
method="POST" action="stringops1.php">
Enter String 1 :
<input type="text" name="str1"/></br> </br>
Enter String 2 :
<input type="text" name="str2" id="str2"
disabled>
String to find :
<input type="text" name="str3" id="str3"
disabled><br></br>
Operations:</br></br>
<fieldset style="background-color:pink";>
<input type
="radio" name="operations" value="Length"
onclick="document.getElementById('str2').disabled = true;"
/>Length<br>
<input type
="radio" name="operations" value="Words"
onclick="document.getElementById('str2').disabled =
true;"/>Words<br>
<input type
="radio" name="operations" value="Reverse"
onclick="document.getElementById('str2').disabled =
true;"/>Reverse<br>
<input type
="radio" name="operations" value="Finding"
onclick="document.getElementById('str3').disabled = false;"
/>Finding Text within the string<br>
<input type
="radio" name="operations" value="lowercase"
onclick="document.getElementById('str2').disabled =
true;"/>Converting first character of each word in a string to
uppercase<br>
<input type
="radio" name="operations" value="lowercase1"
onclick="document.getElementById('str2').disabled =
true;"/>Converting a whole string into lowercase<br>
<input type
="radio" name="operations" value="uppercase"
onclick="document.getElementById('str2').disabled =
true;"/>Converting a whole string into UPPERCASE<br>
<input type
="radio" name="operations" value="compare"
onclick="document.getElementById('str2').disabled = false;"
/>Comparing Strings<br>
<input type
="radio" name="operations" value="whitesp"
onclick="document.getElementById('str2').disabled =
false;"/>Removing white spaces from a String<br>
</fieldset></br>
<input
type="submit" name="subtn" value="Submit"/>
</form>
</body>
</html>
stringops1.php
<?php
$st1=$_POST['str1'];
$ops=$_POST['operations'];
$st2=$_POST['str2'];
$st3=$_POST['str3'];
if(isset($_POST['subtn']))
{
if($ops=="Length")
{
echo "String 1 : $st1<br> ";
echo"<br>Length of the Strings is
";
echo strlen($st1);
}
else if($ops=="Words")
{
echo "String 1 is $st1<br> ";
echo"<br>No of words in the String: ";
echo str_word_count($st1);
}
else if($ops=="Reverse")
{
echo "String 1 is $st1<br> ";
echo"<br>Reversing the String: ";
echo strrev($st1);
}
else if($ops=="Finding")
{
echo "String 1 is $st1<br> ";
echo "Text to find $st3";
echo strpos($st1,$st3);
}
else if($ops=="lowercase")
{
echo "String 1 is $st1<br> ";
echo"<br> converts the first character of each word in
a string to uppercase ";
echo ucwords($st1);
}
else if($ops=="lowercase1")
{
echo "String 1 is $st1<br> ";
echo"<br> Converting a whole string into lowercase : ";
echo strtolower($st1);
}
else if($ops=="uppercase")
{
echo "String 1 is $st1<br> ";
echo"<br>Converting a whole string into UPPERCASE: ";
echo strtoupper($st1);
}
else if($ops=="compare")
{
echo "String 1 is $st1<br> ";
echo "String 2 is $st2<br> ";
$n=strcmp($st1,$st2);
if($n==0)
{
echo "Strings are equal";
}
else
{
echo "Strings
are not equal";
}
}
else
{
echo "String 1 is $st1<br> ";
echo trim("$st1","$st2");
}
}
?>
Output:
Output:
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