001.<?php
002.function timespan($seconds = 1, $time = '')
003.{
004. if ( ! is_numeric($seconds))
005. {
006. $seconds = 1;
007. }
008.
009. if ( ! is_numeric($time))
010. {
011. $time = time();
012. }
013.
014. if ($time <= $seconds)
015. {
016. $seconds = 1;
017. }
018. else
019. {
020. $seconds = $time - $seconds;
021. }
022.
023. $str = '';
024. $years = floor($seconds / 31536000);
025.
026. if ($years > 0)
027. {
028. $str .= $years.' ปี, ';
029. }
030.
031. $seconds -= $years * 31536000;
032. $months = floor($seconds / 2628000);
033.
034. if ($years > 0 OR $months > 0)
035. {
036. if ($months > 0)
037. {
038. $str .= $months.' เดือน, ';
039. }
040.
041. $seconds -= $months * 2628000;
042. }
043.
044. $weeks = floor($seconds / 604800);
045.
046. if ($years > 0 OR $months > 0 OR $weeks > 0)
047. {
048. if ($weeks > 0)
049. {
050. $str .= $weeks.' สัปดาห์, ';
051. }
052.
053. $seconds -= $weeks * 604800;
054. }
055.
056. $days = floor($seconds / 86400);
057.
058. if ($months > 0 OR $weeks > 0 OR $days > 0)
059. {
060. if ($days > 0)
061. {
062. $str .= $days.' วัน, ';
063. }
064.
065. $seconds -= $days * 86400;
066. }
067.
068. $hours = floor($seconds / 3600);
069.
070. if ($days > 0 OR $hours > 0)
071. {
072. if ($hours > 0)
073. {
074. $str .= $hours.' ชั่วโมง, ';
075. }
076.
077. $seconds -= $hours * 3600;
078. }
079.
080. $minutes = floor($seconds / 60);
081.
082. if ($days > 0 OR $hours > 0 OR $minutes > 0)
083. {
084. if ($minutes > 0)
085. {
086. $str .= $minutes.' นาที, ';
087. }
088.
089. $seconds -= $minutes * 60;
090. }
091.
092. if ($str == '')
093. {
094. $str .= $seconds.' วินาที';
095. }
096.
097. return substr(trim($str), 0, -1);
098.}
099.
100.
101.
102.$birthdate = strtotime( '1973-11-13' );
103.$today = time();
104.
105.echo timespan( $birthdate , $today );
106.
