Date and Birthday php

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Date and Birthday php

Reading the positional numbers in a date
Reading the positional numbers use php substr() function. For an example take the date 2012-10- 17 add the date into substr() function. as bellow.

<?php $num="2012-06-17"; echo "year:-". substr($num, 0, 4)."</br>"; echo "Month:-". substr($num, 5,2)."</br>"; echo "Date:-". substr($num, 8, 2)."</br>"; ?>

Output is year:-2012 Month:-06 Date:-17

Get Birthday in years 

You can get age in years by using codes bellow.

<?php $Birthdate="1965-06-12";  function GetAge($Birthdate) {               list($BirthYear,$BirthMonth,$BirthDay) = explode("-", $Birthdate);         $YearDiff = date("Y") - $BirthYear;         $MonthDiff = date("m") - $BirthMonth;         $DayDiff = date("d") - $BirthDay;          if ($DayDiff < 0 || $MonthDiff < 0)           $YearDiff--;         return $YearDiff; } echo GetAge($Birthdate)." "."Years Old"; ?>

Output is 47 Years Old

Get Birthday in days,month and years 

Execute the following codes to get birthday in details with your input of birthday.

Bith Day Click To Find Age Age 47 years and 5 days old

<form name="f1" action="<?php echo $_SERVER['PHP_SELF']; ?>" method="post"> <table bgcolor=#d38a2a align="center"><tr bgcolor=#ffffff><td>Bith Day</td><td><input type="text" name="bday"></td></tr> <tr bgcolor=#ffffff><td>Click To Find Age</td><td align="right"><input type="submit" value="Find"></td></tr> </form> <?php $bday=$_POST['bday']; function get_Age_difference($start_date,$end_date){     list($start_year,$start_month,$start_date) = split('-', $start_date);     list($current_year,$current_month,$current_date) = split('-', $end_date);      $result = '';  for($x=1 ; $x<=12 ; $x++){         $dim[$x] = date('t',mktime(0,0,0,$x,1,date('Y')));     }     $m = $current_month - $start_month;     $d = $current_date - $start_date;     $y = $current_year - $start_year; if($d < 0) {              $today_day = $current_date + $dim[$current_month];         $today_month = $current_month - 1;         $d = $today_day - $start_date;         $m = $today_month - $start_month;         if(($today_month - $start_month) < 0) {             $today_month += 12;             $today_year = $current_year - 1;             $m = $today_month - $start_month;             $y = $today_year - $start_year;         }     }  if($m < 0) {         $today_month = $current_month + 12;         $today_year = $current_year - 1;         $m = $today_month - $start_month;         $y = $today_year - $start_year;         }   if($y < 0) {         die("Start Date Entered is a Future date than End Date.");     } else {         switch($y) {             case 0 : $result .= ''; break;             case 1 : $result .= $y.($m == 0 && $d == 0 ? ' year old' : ' year'); break;             default : $result .= $y.($m == 0 && $d == 0 ? ' years old' : ' years');         }         switch($m) {             case 0: $result .= ''; break;             case 1: $result .= ($y == 0 && $d == 0 ? $m.' month old' : ($y == 0 && $d != 0 ? $m.' month' : ($y != 0 && $d == 0 ? ' and '.$m.' month old' : ', '.$m.' month'))); break;             default: $result .= ($y == 0 && $d == 0 ? $m.' months old' : ($y == 0 && $d != 0 ? $m.' months' : ($y != 0 && $d == 0 ? ' and '.$m.' months old' : ', '.$m.' months'))); break;         }         switch($d) {             case 0: $result .= ($m == 0 && $y == 0 ? 'Today' : ''); break;             case 1: $result .= ($m == 0 && $y == 0 ? $d.' day old' : ($y != 0 || $m != 0 ? ' and '.$d.' day old' : '')); break;             default: $result .= ($m == 0 && $y == 0 ? $d.' days old' : ($y != 0 || $m != 0 ? ' and '.$d.' days old' : ''));         }     }     return $result; }  $date_difference= get_Age_difference($bday,date("Y-m-d")); echo "<tr bgcolor=#ffffff><td>Age</td><td>".$date_difference."</td></tr></table>"; ?>

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