In this article I have a wrote another simple program that uses PHP as my programming language I called this program reverse a number. What this program will do is very simple it will ask the user to enter a series of number digits and then our program will reverse the arrangement of the number let say the user give 12345 our program will convert in 54321. I hope you will find my program useful in learning how to write a program in PHP.
If you have some questions please send me an email at jakerpomperada@yahoo.com and jakerpomperada@gmail.com.
People here in the Philippines who wish to contact me can reach me at my mobile number 09173084360.
Sample Output of Our Program
Program Listing
<html>
<title> Reverse a Number</title>
<style>
body {
font-size:20px;
font-family:arial;
color:blue;
}
</style>
<?php
error_reporting(0);
$values = $_POST['value'];
if(isset($_POST['check'])) {
if (ctype_alpha($values)) {
echo "<script>";
echo "alert('PLEASE ENTER A NUMERIC VALUE.');";
echo "</script>";
$values="";
}
else if(preg_match('#[^a-zA-Z0-9]#', $values)) {
echo "<script>";
echo "alert('PLEASE ENTER A NUMERIC VALUE.');";
echo "</script>";
$values="";
}
else if ($values=="") {
echo "<script>";
echo "alert('It Cannot Be Empty!!! Please enter a integer value.');";
echo "</script>";
$values="";
}
else {
$rem =0; $rev =0;
$originalnum = $values;
while($values > 1) {
$rem = $values %10;
$rev = ($rev * 10)+ $rem;
$values = $values/10;
}
$title .= " ===== GENERATED RESULT ===== " ."<BR><BR>";
$title .= "Original Number Arrangement : ". $originalnum."<br><br>";
$title .= "Reverse Number Arrangement : ". $rev;
}
}
if(isset($_POST['clear'])) {
$values=" ";
$title= " ";
}
?>
<body style='background-color:lightgreen'>
<div style='width:800px;margin:auto'>
<br> <h1 align="center"> Reverse a Number</h2>
<br>
<form action="" method="post">
Enter a Number : <input type="text" name="value"
value="<?php echo $originalnum; ?>" autofocus size=20/>
<input type="submit" name="check" value="Reverse Number"
title="Click here to reverse the number."/>
<input type="submit" name="clear" value="Clear"
title="Click here to clear text box and values on the screen"/>
</form>
<br> <br>
<?php
echo $title;
?>
</body>
</html>
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