1.html -
<html>
<body>
<form method="post" action="2.php">
enter number<input type="text" name="no" value=""/>
<input type="submit" name="submit" value="submit">
</form>
</body>
</html
2.php-
<?php
if(!empty($_POST))
{
$number=$_POST['no'];
$str='';
$arr=array('0'=>'zero','1'=>'one','2'=>'two','3'=>'three','4'=>'four','5'=>'five');
$num=str_split($number);
foreach($num as$k=>$v)
{
if(array_key_exist($v,$arr)
{
$str=$arr[$v]."";
}
}
echo "entered no is="$number;";
echo "<br>".$str;
?>