<?php if(isset($_POST[‘reverse’])) { $rev=0; $num=$_POST[‘rev’]; while($num>=1) { $re=$num%10; $rev=$rev*10+$re; $num=$num/10; } } ?> <html> <head> <title>Reverse</title> </head> <body> <table> <form method=”post”> <tr><td>Number</td><td><input type=”text” name=”rev”></td></tr> <tr><td>Reverse is:</td><td><input type=”text” value=”<?php if(isset($_POST[‘reverse’])){echo $rev;} ?>” name=”rev1″></td></tr> <tr><td> </td><td><input type=”Submit” value=”Reverse” name=”reverse”></td></tr> </form> </table> </body> </html>
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