what is your age now?
Now save the file open your browser and execute your program . You will get html form to input date of birth.
<html>
<head>
<title>culculat date of birth</title>
<?php
// if->
To Check whether form has been submitted
if(isset($_POST['submit']))
{
$d=$_POST['day'];
$m=$_POST['month'];
$y=$_POST['year'];
//converting Inputed DOB in "dd-mm-yyyy" format
$dob=$d.'-'.$m.'-'.$y;
//Create a new date object with current system date
$bday=new DateTime($dob);
//Differentiating both dates
$age=$bday->diff(new DateTime);
$today=date('d-m-Y'); //Current date
echo '<br /><br /><br />';
echo '<b>Your Birth date: </b>';
echo $dob;
echo '<br><b>Today : </b> ';
echo $today;
echo '<br>';
echo '<b>Your Age : </b> ';
echo $age->y;
echo ' Years, ';
echo $age->m;
echo ' Months, ';
echo $age->d;
echo ' Days';
}
?>
<style type="text/css">
<!--
#Layer1 {
position:absolute;
border-radius:20px;
background-color:#999999;
left:8px;
top:160px;
width:452px;
height:251px;
z-index:1;
}
-->
</style>
</head>
<body>
<div id="Layer1">
<div align="center">
<br /><br /><br />
<h4>Choose your Date of Birth</h4>
<form action="<?php echo $_SERVER['PHP_SELF']; ?>" method="post">
Date
<select name="day"> <!-- To Select Day -->
<
option value="01" selected="selected">01</option>
<option value="02">02</option>
<option value="03">03</option>
<option value="04">04</option>
<option value="05">05</option>
<option value="06">06</option>
<option value="07">07</option>
<option value="08">08</option>
<option value="09">09</option>
<option value="10">10</option>
<option value="11">11</option>
<option value="12">12</option>
<option value="13">13</option>
<option value="14">14</option>
<option value="15">15</option>
<option value="16">16</option>
<option value="17">17</option>
<option value="18">18</option>
<option value="19">19</option>
<option value="20">20</option>
<option value="21">21</option>
<option value="22">22</option>
<option value="23">23</option>
<option value="24">24</option>
<option value="25">25</option>
<option value="26">26</option>
<option value="27">27</option>
<option value="28">28</option>
<option value="29">29</option>
<option value="30">30</option>
<option value="31">31</option>
</select>
Month
<select name="month"><!--TO Select Month-->
<option value="01" selected="selected">Jan</option>
<option value="02">Feb</option>
<option value="03">Mar</option>
<option value="04">Apr</option>
<option value="05">May</option>
<option value="06">Jun</option>
<option value="07">Jul</option>
<option value="08">Aug</option>
<option value="09">Sep</option>
<option value="10">Oct</option>
<option value="11">Nov</option>
<option value="12">Dec</option>
</select>
Year
<select name="year"><!--To Select Year-->
<option value="2013" selected="selected">2013</option>
<option value="2012">2012</option>
<option value="2011">2011</option>
<option value="2010">2010</option>
<option value="2009">2009</option>
<option value="2008">2008</option>
<option value="2007">2007</option>
<option value="2006">2006</option>
<option value="2005">2005</option>
<option value="2004">2004</option>
<option value="2003">2003</option>
<option value="2002">2002</option>
<option value="2001">2001</option>
<option value="2000">2000</option>
<option value="1999">1999</option>
<option value="1998">1998</option>
<option value="1997">1997</option>
<option value="1996">1996</option>
<option value="1995">1995</option>
<option value="1994">1994</option>
<option value="1993">1993</option>
<option value="1992">1992</option>
<option value="1991">1991</option>
<option value="1990">1990</option>
<option value="1989">1989</option>
<option value="1988">1988</option>
<option value="1987">1987</option>
<option value="1986">1986</option>
<option value="1985">1985</option>
<option value="1984">1984</option>
<option value="1983">1983</option>
<option value="1982">1982</option>
<option value="1981">1981</option>
<option value="1980">1980</option>
<option value="1979">1979</option>
<option value="1978">1978</option>
<option value="1977">1977</option>
<option value="1976">1976</option>
<option value="1975">1975</option>
<option value="1974">1974</option>
<option value="1973">1973</option>
<option value="1972">1972</option>
<option value="1971">1971</option>
<option value="1970">1970</option>
<option value="1969">1969</option>
<option value="1968">1968</option>
<option value="1967">1967</option>
<option value="1966">1966</option>
<option value="1965">1965</option>
<option value="1964">1964</option>
<option value="1963">1963</option>
<option value="1962">1962</option>
<option value="1961">1961</option>
<option value="1960">1960</option>
<option value="1959">1959</option>
<option value="1958">1958</option>
<option value="1957">1957</option>
<option value="1956">1956</option>
<option value="1955">1955</option>
<option value="1954">1954</option>
<option value="1953">1953</option>
<option value="1952">1952</option>
<option value="1951">1951</option>
<option value="1950">1950</option>
<option value="1949">1949</option>
<option value="1948">1948</option>
<option value="1947">1947</option>
<option value="1946">1946</option>
<option value="1945">1945</option>
<option value="1944">1944</option>
<option value="1943">1943</option>
<option value="1942">1942</option>
<option value="1941">1941</option>
<option value="1940">1940</option>
</select>
<!--To submit form(Date of Birth)-->
<input name="submit" type="submit" value="submit" />
</form>
</div>
<div align="center">
Now we have a form to submit date of birth – <br>
after that php script culculate the age:<br>
your data of brith culculat with currnet date:<br>
display : what is age now?
<br /><br /><br />
<h3>
<a href="http://mypractical1.blogspot.com/">more php example</a></h3>
</div></div>
</body>
</html>
How it works?
At the form post action we have given same file to process the query.
So when we click submit button it will post all values in the same (‘<?php echo $_SERVER['PHP_SELF']; ?>
’) file. PHP part of the file will check that if ‘submit’ button has been pressed? If Yes then it will save date of birth values to the variables $d, $m, $y, for respected values day, month and year.
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