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Validation of php drop down menu of months,days and years
Please help with validation, cannot get it to validate, for leaps years, and feb,april 31.
Got script from [url]http://www.plus2net.com/php_tutorial/date-selection.php
then tried to apply validation on [url]http://www.plus2net.com/php_tutorial/da
This is what I have so far but I get this error message, Fatal error: Cannot redeclare checkdate() in C:xampphtdocsdropdownindex.php on line 34. Please help
<html>
<head>
<meta http-equiv=”Content-Type” content=”text/html; charset=UTF-8″>
<title></title>
</head>
<?php
$todo=$_POST[‘todo’];
if(isset($todo) and $todo==”submit”){
$month=$
$dt=$_POST[‘dt’];
$year=$
$date_value=”$month/$dt/$year”;
echo “mm/dd/yyyy format :$date_value<br>”;
$date_value=”$year-$month-$dt”;
echo “YYYY-mm-dd format :$date_value<br>”;
}
?>
<?php
function checkdate(){
{
$m=”11″;
$d=”31″;
$y=”05″;
If(!checkdate($m,$d,$y)){
echo “invalid date”;
}else {
echo “Entry date is correct”;
}
}
}
?>
<form method=post name=f1 action=”><input type=hidden name=todo value=submit>
<table border=”0″ cellspacing=”0″ >
<tr><td align=left >
<select name=month value=”>Select Month
<option value=’01’>January</option>
<option value=’02’>February</option>
<option value=’03’>March</option>
<option value=’04’>April</option>
<option value=’05’>May</option>
<option value=’06’>June</option>
<option value=’07’>July</option>
<option value=’08’>August</option>
<option value=’09’>September</option>
<option value=’10’>October</option>
<option value=’11’>November</option>
<option value=’12’>December</option>
</select>
</td><td align=left >
Date<select name=dt >
<option value=’01’>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>
<tr><td align=left >
<select name=year value=”>Select Year
<option value=’2009′>2009</option>
<option value=’2010′>2010</option>
<option value=’2011′>2011</option>
<option value=’2012′>2012</option>
<option value=’2013′>2013</option>
<option value=’2014′>2014</option>
<option value=’2015′>2015</option>
<option value=’2016′>2016</option>
<option value=’2017′>2017</option>
<option value=’2018′>2018</option>
<option value=’2019′>2019</option>
<option value=’2020′>2020</option>
</select>
<input type=submit value=Submit>
</table>
</form>
</html>
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