listing function datediff($interval, $datefrom, $dateto, $using_timestamps = false) { /* $interval can be: yyyy - Number of full years q - Number of full quarters m - Number of full months y - Difference between day numbers (eg 1st Jan 2004 is "1", the first day. 2nd Feb 2003 is "33". The datediff is "-32".) d - Number of full days w - Number of full weekdays ww - Number of full weeks h - Number of full hours n - Number of full minutes s - Number of full seconds (default) */ if (!$using_timestamps) { $datefrom = strtotime($datefrom, 0); $dateto = strtotime($dateto, 0); } $difference = $dateto - $datefrom; // Difference in seconds switch($interval) { case 'yyyy': // Number of full years
$years_difference = floor($difference / 31536000); if (mktime(date("H", $datefrom), date("i", $datefrom), date("s", $datefrom), date("n", $datefrom), date("j", $datefrom), date("Y", $datefrom)+$years_difference) > $dateto) { $years_difference--; } if (mktime(date("H", $dateto), date("i", $dateto), date("s", $dateto), date("n", $dateto), date("j", $dateto), date("Y", $dateto)-($years_difference+1)) > $datefrom) { $years_difference++; } $datediff = $years_difference; break; case "q": // Number of full quarters $quarters_difference = floor($difference / 8035200); while (mktime(date("H", $datefrom), date("i", $datefrom), date("s", $datefrom), date("n", $datefrom)+($quarters_difference*3), date("j", $dateto), date("Y", $datefrom)) < $dateto) { $months_difference++; } $quarters_difference--; $datediff = $quarters_difference; break; case "m": // Number of full months $months_difference = floor($difference / 2678400); while (mktime(date("H", $datefrom), date("i", $datefrom), date("s", $datefrom), date("n", $datefrom)+($months_difference), date("j", $dateto), date("Y", $datefrom)) < $dateto) { $months_difference++; } $months_difference--; $datediff = $months_difference; break; case 'y': // Difference between day numbers $datediff = date("z", $dateto) - date("z", $datefrom); break; case "d": // Number of full days $datediff = floor($difference / 86400); break; case "w": // Number of full weekdays $days_difference = floor($difference / 86400); $weeks_difference = floor($days_difference / 7); // Complete weeks $first_day = date("w", $datefrom); $days_remainder = floor($days_difference % 7); $odd_days = $first_day + $days_remainder; // Do we have a Saturday or Sunday in the remainder? if ($odd_days > 7) { // Sunday $days_remainder--; } if ($odd_days > 6) { // Saturday $days_remainder--; } $datediff = ($weeks_difference * 5) + $days_remainder; break; case "ww": // Number of full weeks $datediff = floor($difference / 604800); break; case "h": // Number of full hours $datediff = floor($difference / 3600); break; case "n": // Number of full minutes $datediff = floor($difference / 60); break; default: // Number of full seconds (default) $datediff = $difference; break; } return $datediff; } contoh : echo datediff('w', '9 July 2003', '4 March 2004', false); semoga bermanfaat ----- Original Message ----- From: kasiman peranginangin To: ITCENTER@yahoogroups.com Sent: Thursday, July 20, 2006 12:42 PM Subject: [ITCENTER] Tanya PHP?? Bagaimana caranya untuk mengetahui selisih antara dua tanggal? misalnya lahir tanggal 17-08-1945 mau tahu umurnya sekarang ... tahun ... bulan ... hari. Kalau bisa ada rekan-rekan yang bantu beri skripnya pada PHP yah. Please help...!!! --------------------------------- Do you Yahoo!? Everyone is raving about the all-new Yahoo! Mail Beta. [Non-text portions of this message have been removed] [Non-text portions of this message have been removed] -- www.itcenter.or.id - Komunitas Teknologi Informasi Indonesia Info, Gabung, Keluar, Mode Kirim : [EMAIL PROTECTED] :: Hapus bagian yang tidak perlu (footer, dst) saat reply! :: ## Jobs: itcenter.or.id/jobs ## Bursa: itcenter.or.id/bursa ## $$ Iklan/promosi : www.itcenter.or.id/sponsorship $$ [@@] Jaket ITCENTER tersedia di http://shop.itcenter.or.id Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/ITCENTER/ <*> To unsubscribe from this group, send an email to: [EMAIL PROTECTED] <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/