function amr_date_i18n($dateformatstring, $dateobj = null)
{
global $wp_locale;
// store original value for language with untypical grammars
// see http://core.trac.wordpress.org/ticket/9396
$req_format = $dateformatstring;
//$datefunc = 'date';
if (!empty($wp_locale->month) && !empty($wp_locale->weekday)) {
$datemonth = $wp_locale->get_month($dateobj->format('m'));
$datemonth_abbrev = $wp_locale->get_month_abbrev($datemonth);
$w = $dateobj->format('w');
if ($w == '-1') {
$w = get_oldweekdays($dateobj);
}
/* php seems to break around 1760 and google passed a zero year date */
$dateweekday = $wp_locale->get_weekday($w);
$dateweekday_abbrev = $wp_locale->get_weekday_abbrev($dateweekday);
$datemeridiem = $wp_locale->get_meridiem($dateobj->format('a'));
$datemeridiem_capital = $wp_locale->get_meridiem($dateobj->format('A'));
$dateformatstring = ' ' . $dateformatstring;
$dateformatstring = preg_replace("/([^\\\\])D/", "\\1" . backslashit($dateweekday_abbrev), $dateformatstring);
$dateformatstring = preg_replace("/([^\\\\])F/", "\\1" . backslashit($datemonth), $dateformatstring);
$dateformatstring = preg_replace("/([^\\\\])l/", "\\1" . backslashit($dateweekday), $dateformatstring);
$dateformatstring = preg_replace("/([^\\\\])M/", "\\1" . backslashit($datemonth_abbrev), $dateformatstring);
$dateformatstring = preg_replace("/([^\\\\])a/", "\\1" . backslashit($datemeridiem), $dateformatstring);
$dateformatstring = preg_replace("/([^\\\\])A/", "\\1" . backslashit($datemeridiem_capital), $dateformatstring);
$dateformatstring = substr($dateformatstring, 1, strlen($dateformatstring) - 1);
}
$j = $dateobj->format($dateformatstring);
// allow plugins to redo this entirely for languages with untypical grammars
$j = apply_filters('amr_date_i18n', $j, $req_format, $dateobj);
return $j;
}
function amr_goto_byday($dateobj, $byday, $sign)
{
global $amr_day_of_week_no;
$dayofweek = $dateobj->format('w');
/* 0=sunday, 6 = saturday */
if ($dayofweek == '-1') {
$dayofweek = get_oldweekdays($dateobj);
}
/* php seems to break around 1760 */
$target = $amr_day_of_week_no[$byday];
/* mo=1 ,su=7 */
$adjustment = $target - $dayofweek;
if (isset($_GET['rdebug'])) {
echo '<br />GO to day of week from ' . $dateobj->format('Ymd l') . ' going to ' . $sign . $byday . ' Target = ' . $target . ' Dayofweek = ' . $dayofweek . ' ' . $dateobj->format('l');
}
if ($sign === '+') {
if ($adjustment < 0) {
$adjustment = $adjustment + 7;
}
} else {
// sign must be neg
if ($adjustment > 0) {
$adjustment = $adjustment - 7;
}
}
if ($adjustment == 7) {
$adjustment = 0;
}
// else will skip the first one if it matches
if (isset($_GET['rdebug'])) {
echo '<br />Adj = ' . $adjustment;
}
$d2 = new DateTime();
// if cloning ok dont need tz
$d2 = clone $dateobj;
date_modify($d2, $adjustment . ' days');
if (isset($_GET['rdebug'])) {
echo ' Got date = ' . $d2->format('Ymd l');
}
return $d2;
}