function amr_newDateTime($text = '')
{
// create new datetime object with the global timezone
// because wordpress insists that the php default must stay as UTC
global $amr_globaltz;
//$d = new DateTime($text,$amr_globaltz);
$d = amr_create_date_time($text, $amr_globaltz);
// traps exceptions
return $d;
}
function amr_create_date_from_parts($d, $tz)
{
/* create a date object from the parts array, with the TZ passed */
// wtf? new DateTime();
$datestring = $d['year'] . '-' . $d['month'] . '-' . $d['day'] . ' ' . $d['hour'] . ':' . $d['minute'] . ':' . $d['second'];
$possdate = amr_create_date_time($datestring, $tz);
//try { $possdate = new DateTime($datestring, $tz);
// }
//catch (Exception $e) {
// echo '<b>'.__('Unexpected error creating date with string: '.$datestring,'amr-ical-events-list').'</b>';
// echo $e->getMessage();
// return (false);
// }
// somehow this exception business not helping?
//if (isset($_GET['rdebug'])) { echo '<br />Datestring: '.$datestring.' as date: '.$possdate->format('c');}
// if date does not match date string, then reject
if ($d['day'] > 28) {
//then check whther date was created correctly, or whether it should have been rejected.
$newday = $possdate->format('j');
if (!($newday == $d['day'])) {
if (isset($_GET['rdebug'])) {
echo '<br />Rejecting...';
}
return false;
}
}
return $possdate;
}
function amr_parseDate($text, $tzobj)
{
/*
VALUE=DATE:
19970101,19970120,19970217,19970421
19970526,19970704,19970901,19971014,19971128,19971129,19971225
VALUE=DATE;TZID=/mozilla.org/20070129_1/Europe/Berlin:20061223
*/
$p = explode(',', $text);
/* if only a single will still return one array value */
foreach ($p as $i => $v) {
$datestring = substr($v, 0, 4) . '-' . substr($v, 4, 2) . '-' . substr($v, 6, 2);
$dates[] = amr_create_date_time($datestring, $tzobj);
/*try {
// $dates[] = new DateTime(substr($v,0, 4).'-'.substr($v,4, 2).'-'.substr($v,6, 2), $tzobj);
//}
//catch(Exception $e) {
// echo '<br />Unable to create DateTime object from '.$text.' <br />'.$e->getMessage();
// return (false);
}*/
}
return $dates;
}
function amr_check_timezonesettings()
{
global $amr_globaltz;
echo '<ul>';
if (function_exists('timezone_version_get')) {
printf('<li>' . __('Your timezone db version is: %s', 'amr-ical-events-list') . '</li>', timezone_version_get());
} else {
echo '<li>' . '<a href="http://en.wikipedia.org/wiki/Tz_database">' . __('Plugin cannot determine timezonedb version in php < 5.3.', 'amr-ical-events-list') . '</a>';
}
echo '</li></li><li><a href="http://pecl.php.net/package/timezonedb">';
_e('Php timezonedb versions', 'amr-ical-events-list');
echo '</a> <a href="http://pecl.php.net/package/timezonedb">';
_e('Info on what changes are in which timezonedb version', 'amr-ical-events-list');
echo '</a></li>';
if (!isset($amr_globaltz)) {
echo '<b>' . __('No global timezone - is there a problem here? ', 'amr-ical-events-list') . '</b>';
return;
}
$tz = get_option('timezone_string');
$settingslink = '<a href="' . get_option('siteurl') . '/wp-admin/options-general.php">' . __('Go to settings', 'amr-ical-events-list') . '</a>';
if ($tz == '') {
$gmtoffset = get_option('gmt_offset');
if (!empty($gmtoffset)) {
printf('<li style="color: red;"><b>' . __('You are using the "old" gmt_offset setting ', 'amr-ical-events-list') . '</b></li><li>', $gmtoffset);
_e('Consider changing to the more accurate timezone setting', 'amr-ical-events-list');
echo '</li>';
}
}
$now = date_create('now', $amr_globaltz);
echo '<li>' . __('The plugin thinks your timezone is: ', 'amr-ical-events-list') . timezone_name_get($amr_globaltz) . ' ' . $settingslink . '</li>' . '<li>' . __('The current UTC offset for that timezone is: ', 'amr-ical-events-list') . $now->getoffset() / (60 * 60) . '</li>';
if (function_exists('timezone_transitions_get')) {
foreach (timezone_transitions_get($amr_globaltz) as $tr) {
if ($tr['ts'] > time()) {
break;
}
}
}
$utctz = new DateTimeZone('UTC');
if (isset($tr['ts'])) {
$d = amr_create_date_time("@{$tr['ts']}", $utctz);
//try {$d = new DateTime( "@{$tr['ts']}",$utctz );}
//catch(Exception $e) { break;}
date_timezone_set($d, $amr_globaltz);
printf('<li>' . __('Switches to %s on %s. GMT offset: %d', 'amr-ical-events-list') . '</li>', $tr['isdst'] ? "DST" : "standard time", $d->format('d M Y @ H:i'), $tr['offset'] / (60 * 60));
}
echo '<li>';
_e('Current time (unlocalised): ', 'amr-ical-events-list');
echo $now->format('r');
echo '</li></ul>';
}