Req #52972 [Opn->Sus]: Support Persian Calendar

Edit report at https://bugs.php.net/bug.php?id=52972&edit=1 ID: 52972 Updated by: cmb@php.net Reported by: takmahdi at gmail dot com Summary: Support Persian Calendar -Status: Open +Status: Suspended Type: Feature/Change Request Package: Calendar related Operating System: Linux/Windows PHP Version: 5.3.3 Block user comment: N Private report: N New Comment: Thank you for your interest in PHP and for submitting a feature request. Please be aware that due to the magnitude of change this request requires, it would be necessary to discuss it on PHP Internals list (internals@lists.php.net) as an RFC. Please read the guide about creating RFCs here: <https://wiki.php.net/rfc/howto>. If you haven't had experience with writing RFCs before, it is advised to seek guidance on the Internals list (<http://php.net/mailing-lists.php>) and/or solicit help from one of the experienced developers. Please do not consider this comment as a negative view on the merits of your proposal – every proposal which requires changes of certain magnitude, even the very successful and widely supported ones, must be done through the RFC process. This helps make the process predictable, transparent and accessible to all developers. Previous Comments: ------------------------------------------------------------------------ [2010-10-02 19:54:57] takmahdi at gmail dot com Description: ------------ Hi, I want use Persian calendar in PHP, but not support this feature; In Iran we use none standard script for implement this feature and It is not likely...! If year%33 remaining 1, 5, 9, 13, 17, 22, 26, 30 this year will calling leap year. Persian calendar: months/abbrevmonths are: Farvardin, Ordibehesht, Khordad, Tir, Mordad, Shahrivar, Mehr, Aban, Azar, Dey, Bahman, Esfand daysname/abbrevdaysname: Yekshanbeh = Sunday, Doshanbeh, Seshhanbeh, Chaharshanbeh, Panjshanbeh, Jomeh, Shanbeh week begin from Shanbeh days range in month: 29-31 I use below script: http://www.fourmilab.ch/documents/calendar/ Thanks for cooperation. Regards Test script: --------------- const CAL_PERSIAN = 4; const PERSIAN_EPOCH = 1948320.5; function Persian2JD($year, $month, $day) { $epbase = $year - (($year >= 0) ? 474 : 473); $epyear = 474 + $epbase%2820; return $day + (($month <= 7) ? (($month - 1) * 31) : ((($month - 1) * 30) + 6)) + (int)((($epyear * 682) - 110) / 2816) + ($epyear - 1) * 365 + (int)($epbase / 2820) * 1029983 + (PERSIAN_EPOCH - 1); } function JD2Persian($jd) { # Calculate Persian date from Julian day $jd = (int)$jd + 0.5; $depoch = $jd - Persian2JD(475, 1, 1); $cycle = (int)($depoch / 1029983); $cyear = $depoch%1029983; if ($cyear == 1029982) $ycycle = 2820; else { $aux1 = (int)($cyear / 366); $aux2 = $cyear%366; $ycycle = (int)(((2134 * $aux1) + (2816 * $aux2) + 2815) / 1028522) + $aux1 + 1; } $year = $ycycle + (2820 * $cycle) + 474; if ($year <= 0) $year--; $yday = ($jd - Persian2JD($year, 1, 1)) + 1; $month = ($yday <= 186) ? ceil($yday / 31) : ceil(($yday - 6) / 30); $day = ($jd - Persian2JD($year, $month, 1)) + 1; return $year.'-'.str_pad($month, 2, 0, STR_PAD_LEFT).'-'.str_pad($day, 2, 0, STR_PAD_LEFT); } ------------------------------------------------------------------------ -- Edit this bug report at https://bugs.php.net/bug.php?id=52972&edit=1