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POValidation of Invalid Date/ Leap Year
 

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  1. POValidation of Invalid Date/ Leap Year
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    <p>Trying to use jquery to do this, I found a plugin called "real date validation". I cant seem to implement it correctly.</p> <p>Can anyone help me? Trying to validate that the date 2-31-[whateveryear] shouldnt work, along with leap years...</p> <pre><code>&lt;?php $month = $_POST["mo"]; $day = $_POST["theDay"]; $yr = $_POST["year"]; if (!isset($_POST['submit'])) { // if page is not submitted; echo form ?&gt; &lt;script type="text/javascript" src="jquery.js"&gt; &lt;/script&gt; &lt;script type="text"&gt; $(document).ready(function() { var month = $('#mo').val(); var day = $('#tDay').val(); var year = $('#tYear').val(); var date = new Date(month+"/"+day+"/"+year); if(day == "29" &amp;&amp; month == "02") { if(year % 4 == 0 &amp;&amp; ( year % 100 != 0 || year % 400 == 0)) { return true } else { return false; } } else if(month == (date.getMonth()+1) &amp;&amp; day == date.getDate() &amp;&amp; year == date.getFullYear()) { return true; } else { return false; } }); &lt;/script&gt; &lt;h2 style="margin:0; padding:0;"&gt;Date Selection&lt;/h2&gt; &lt;FORM method="POST" action="&lt;?php echo $PHP_SELF;?&gt;"&gt; &lt;select name="mo" id="mo"&gt; &lt;option disabled="disabled"&gt;SELECT MONTH&lt;/option&gt; &lt;option&gt;January&lt;/option&gt; &lt;option&gt;February&lt;/option&gt; &lt;option&gt;March&lt;/option&gt; &lt;option&gt;April&lt;/option&gt; &lt;option&gt;May&lt;/option&gt; &lt;option&gt;June&lt;/option&gt; &lt;option&gt;July&lt;/option&gt; &lt;option&gt;August&lt;/option&gt; &lt;option&gt;September&lt;/option&gt; &lt;option&gt;October&lt;/option&gt; &lt;option&gt;November&lt;/option&gt; &lt;option&gt;December&lt;/option&gt; &lt;/select&gt; &lt;select name="theDay" id="tDay"&gt; &lt;option disabled="disabled"&gt;SELECT DAY&lt;/option&gt; &lt;option&gt;1&lt;/option&gt; &lt;option&gt;2&lt;/option&gt; &lt;option&gt;3&lt;/option&gt; &lt;option&gt;4&lt;/option&gt; &lt;option&gt;5&lt;/option&gt; &lt;option&gt;6&lt;/option&gt; &lt;option&gt;7&lt;/option&gt; &lt;option&gt;8&lt;/option&gt; &lt;option&gt;9&lt;/option&gt; &lt;option&gt;10&lt;/option&gt; &lt;option&gt;11&lt;/option&gt; &lt;option&gt;12&lt;/option&gt; &lt;option&gt;13&lt;/option&gt; &lt;option&gt;14&lt;/option&gt; &lt;option&gt;15&lt;/option&gt; &lt;option&gt;16&lt;/option&gt; &lt;option&gt;17&lt;/option&gt; &lt;option&gt;18&lt;/option&gt; &lt;option&gt;19&lt;/option&gt; &lt;option&gt;20&lt;/option&gt; &lt;option&gt;21&lt;/option&gt; &lt;option&gt;22&lt;/option&gt; &lt;option&gt;23&lt;/option&gt; &lt;option&gt;24&lt;/option&gt; &lt;option&gt;25&lt;/option&gt; &lt;option&gt;26&lt;/option&gt; &lt;option&gt;27&lt;/option&gt; &lt;option&gt;28&lt;/option&gt; &lt;option&gt;29&lt;/option&gt; &lt;option&gt;30&lt;/option&gt; &lt;option&gt;31&lt;/option&gt; &lt;/select&gt; &lt;select name="year" id="tYear"&gt; &lt;option disabled="disabled"&gt;SELECT YEAR&lt;/option&gt; &lt;option&gt;2011&lt;/option&gt; &lt;option&gt;2010&lt;/option&gt; &lt;option&gt;2009&lt;/option&gt; &lt;option&gt;2008&lt;/option&gt; &lt;option&gt;2007&lt;/option&gt; &lt;option&gt;2006&lt;/option&gt; &lt;option&gt;2005&lt;/option&gt; &lt;option&gt;2004&lt;/option&gt; &lt;option&gt;2003&lt;/option&gt; &lt;option&gt;2002&lt;/option&gt; &lt;option&gt;2001&lt;/option&gt; &lt;option&gt;2000&lt;/option&gt; &lt;option&gt;1999&lt;/option&gt; &lt;option&gt;1998&lt;/option&gt; &lt;option&gt;1997&lt;/option&gt; &lt;option&gt;1996&lt;/option&gt; &lt;option&gt;1995&lt;/option&gt; &lt;option&gt;1994&lt;/option&gt; &lt;option&gt;1993&lt;/option&gt; &lt;option&gt;1992&lt;/option&gt; &lt;option&gt;1991&lt;/option&gt; &lt;option&gt;1990&lt;/option&gt; &lt;option&gt;1989&lt;/option&gt; &lt;option&gt;1988&lt;/option&gt; &lt;option&gt;1987&lt;/option&gt; &lt;option&gt;1986&lt;/option&gt; &lt;option&gt;1985&lt;/option&gt; &lt;option&gt;1984&lt;/option&gt; &lt;option&gt;1983&lt;/option&gt; &lt;option&gt;1982&lt;/option&gt; &lt;option&gt;1981&lt;/option&gt; &lt;option&gt;1982&lt;/option&gt; &lt;/select&gt; &lt;INPUT TYPE="submit" value="Send" name="submit" /&gt; &lt;/FORM&gt; &lt;? } else { echo "You chose: " . " ". $month . " ".$day . ", ". $yr; } ?&gt; </code></pre>
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    1. CODoes $PHP_SELF even work without register_globals? Anyway, replace it with `$_SERVER['PHP_SELF']`
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