Calculators
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<?php
# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # #
# #
# B00zy's timespan script v1.2 #
# #
# timespan -- get the exact time span between any two moments in time. #
# #
# Description: #
# #
# class timespan, function calc ( int timestamp1, int timestamp2) #
# #
# The purpose of this script is to be able to return the time span #
# between any two specific moments in time AFTER the Unix Epoch #
# (January 1 1970) in a human-readable format. You could, for example, #
# determine your age, how long you have been married, or the last time #
# you... you know. ;) #
# #
# The class, "timespan", will produce variables within the class #
# respectively titled years, months, weeks, days, hours, minutes, #
# seconds. #
# #
# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # #
# #
# Example 1. B00zy's age. #
# #
# $t = new timespan( time(), mktime(0,13,0,8,28,1982)); #
# print "B00zy is $t->years years, $t->months months, ". #
# "$t->days days, $t->hours hours, $t->minutes minutes, ". #
# "and $t->seconds seconds old.n"; #
# #
# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # #
define('day', 60*60*24 );
define('hour', 60*60 );
define('minute', 60 );
class timespan
{
var $years;
var $months;
var $weeks;
var $days;
var $hours;
var $minutes;
var $seconds;
function leap($time)
{
if (date('L',$time) and (date('z',$time) > 58))
return (double)(60*60*24*366);
else
{
$de = getdate($time);
$mkt = mktime(0,0,0,$de['mon'],$de['mday'],($de['year'] - 1));
if ((date('z',$time) <= 58) and date('L',$mkt))
return (double)(60*60*24*366);
else
return (double)(60*60*24*365);
}
}
function readable()
{
$values = array('years','months','weeks','days','hours','minutes','seconds');
foreach ($values as $k => $v)
if ($this->{$v}) $fmt .= ( $fmt? ', ': '') . $this->{$v} . " $v";
return $fmt . ( $fmt? '.': '') ;
}
function timespan($after,$before)
{
# Set variables to zero, instead of null.
$this->years = 0;
$this->months = 0;
$this->weeks = 0;
$this->days = 0;
$this->hours = 0;
$this->minutes = 0;
$this->seconds = 0;
$duration = $after - $before;
# 1. Number of years
$dec = $after;
$year = $year;
$year = $this->leap($dec);
while (floor($duration / $year) >= 1)
{
print date("F j, Yn",$dec);
$this->years += 1;
$duration -= (int)$year;
$dec -= (int)$year;
$year = $this->leap($dec);
}
# 2. Number of months
$dec = $after;
$m = date('n',$after);
$d = date('j',$after);
while (($duration - day) >= 0)
{
$duration -= day;
$dec -= day;
$this->days += 1;
if ( (date('n',$dec) != $m) and (date('j',$dec) <= $d) )
{
$m = date('n',$dec);
$d = date('j',$dec);
$this->months += 1;
$this->days = 0;
}
}
# 3. Number of weeks.
$this->weeks = floor($this->days / 7);
$this->days %= 7;
# 4. Number of hours, minutes, and seconds.
$this->hours = floor($duration / (60*60));
$duration %= (60*60);
$this->minutes = floor($duration / 60);
$duration %= 60;
$this->seconds = $duration;
}
}
?>
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Usage Example
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$t = new timespan( time(), mktime(0,13,0,8,28,1982));
print "B00zy is $t->years years, $t->months months, ".
"$t->weeks weeks, $t->days days, $t->hours hours, ".
"$t->minutes minutes, and $t->seconds seconds old.n";
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