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Solve : Validation of php drop down menu of month?

Answer»

Cannot get it to validate, for leaps years, and feb,april 31.






$todo=$_POST['todo'];
if(isset($todo) and $todo=="submit"){
$month=$_POST['month'];
$dt=$_POST['dt'];
$year=$_POST['year'];
$date_value="$month/$dt/$year";
echo "mm/dd/yyyy format :$date_value
";
$date_value="$year-$month-$dt";
echo "YYYY-mm-dd format :$date_value
";
}
?>



$m="2,4";
$d="31";
$y="";
If(!checkdate($m,$d,$y)){
echo "invalid DATE";
}else {
echo "Entry date is correct";
}
?>




Select Month
January
February
March
April
May
June
July
August
September
October
November
December



Date
01

02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31




Select Year
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020











I don't see a tag.You need to TELL it when to validate - you haven't told it that now. If there was a submit BUTTON you could validate when it was clicked, ETC.


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