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This is a straight port of my AS2 AgeChecker (actually Calvin Ly's code, my class) for anyone interested.
Actionscript:
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package com.reintroducing.utils
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{
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import flash.utils.getQualifiedClassName;
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/**
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* A utility class that uses a static method to check whether a user's age is older than the age to check against.
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*
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* @author Calvin Ly [http://www.calvinly.com]
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* @author Conversion to class by Matt Przybylski [http://www.reintroducing.com]
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* @version 1.0
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*/
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public class AgeChecker
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{
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//- PRIVATE & PROTECTED VARIABLES -------------------------------------------------------------------------
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//- PUBLIC & INTERNAL VARIABLES ---------------------------------------------------------------------------
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//- CONSTRUCTOR -------------------------------------------------------------------------------------------
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public function AgeChecker():void
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{
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}
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//- PRIVATE & PROTECTED METHODS ---------------------------------------------------------------------------
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//- PUBLIC & INTERNAL METHODS -----------------------------------------------------------------------------
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/**
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* Checks whether the user's age is permissible or not. The month and day can be passed in with leading zeros or not.
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* The year should be passed in as the full year (ex: 1983).
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*
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* @param $ageToCheck The age you want to test against
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* @param $month The user's input month
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* @param $day The user's input day
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* @param $year The user's input year
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*
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* @return A boolean value that states whether the age check has passed or not.
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*/
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public static function checkAge($ageToCheck:int, $month:int, $day:int, $year:int):Boolean
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{
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var todayDate:Date = new Date();
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var currentMonth:int = (todayDate.getMonth() + 1);
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var currentDay:int = todayDate.getDate();
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var currentYear:int = todayDate.getFullYear();
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var userMonth:int = $month;
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var userDay:int = $day;
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var userYear:int = $year;
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var yearDiff:int = (currentYear - userYear);
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if (yearDiff == $ageToCheck)
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{
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// AGE IS EQUAL to VALID AGE ... need to check month and day
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var monthDiff:int = (currentMonth - userMonth);
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if (monthDiff == 0)
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{
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// MONTH IS EQUAL ... need to check day
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var dayDiff:int = currentDay - userDay;
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if (dayDiff>= 0)
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{
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// DAY IS EQUAL OR GREATER .. PASS
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return true;
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}
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else
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{
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// DAY INVALID ... too young
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return false;
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}
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}
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else if (monthDiff <0)
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{
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// MONTH INVALID ... too young
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return false;
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}
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else
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{
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// AGE PASS
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return true;
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}
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}
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else if (yearDiff <$ageToCheck)
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{
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// YEAR INVALID ... too young
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return false;
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}
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else
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{
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// OVER AGE in YEARS
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return true;
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}
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}
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//- EVENT HANDLERS ----------------------------------------------------------------------------------------
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//- GETTERS & SETTERS -------------------------------------------------------------------------------------
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//- HELPERS -----------------------------------------------------------------------------------------------
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public function toString():String
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{
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return getQualifiedClassName(this);
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}
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//- END CLASS ---------------------------------------------------------------------------------------------
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}
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}
