PHP Using leap year program
Leap Year
1] leap year is the one has 366 days in a year.
2] leap year comes after every four years.
3] leap year is always a multiple of four.
4] For example,1999,2000, 2007,2008,2009,2010, 2020, 2024, etc are leap years.
Q. Leap Year Program php
Example
<?php
function isLeap($year)
{
return(date('L',mktime(0,0,1,1, $year))==1);
}
for($year=1991; $year<2016;$year++)
{
if(isLeap($year))
{
echo "$year : LEAP YEAR <br>\n";
}
else
{
echo "$year:Not leap year<br>\n";
}
}
?>
Q. leap year program php
Output :
Q. leap year program using form php
Example
<html>
<form method="post">
Enter the Year : <input type ="text"
name="year">
<input type="submit" name="submit"
value="submit">
</form>
<?php
if($_POST)
{
$year = $_POST['year'];
if(!is_numeric($year))
{
echo "string not allowed,
Input should be a number";
return;
}
if((0==$year %4 )and(0!=$year % 100)or
(0==$year%400))
{
echo "$year this number is a Leap Year";
}
else{
echo "$year this numberis not
a Leap Year";
}
}
?>
Q. leap year program using form php
Output :
