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39 lines
1.1 KiB
39 lines
1.1 KiB
<?php
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namespace p3k\date;
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use DateTime, DateTimeZone;
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// $format - one of the php.net/date format strings
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// $date - a string that will be passed to DateTime()
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// $offset - integer timezone offset in seconds
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function format_local($format, $date, $offset) {
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if($offset != 0)
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$tz = new DateTimeZone(($offset < 0 ? '-' : '+') . sprintf('%02d:%02d', abs(floor($offset / 60 / 60)), (($offset / 60) % 60)));
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else
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$tz = new DateTimeZone('UTC');
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$d = new DateTime($date);
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$d->setTimeZone($tz);
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return $d->format($format);
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}
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function tz_offset_to_seconds($offset) {
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if(preg_match('/([+-])(\d{2}):?(\d{2})/', $offset, $match)) {
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$sign = ($match[1] == '-' ? -1 : 1);
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return (($match[2] * 60 * 60) + ($match[3] * 60)) * $sign;
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} else {
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return 0;
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}
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}
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function tz_seconds_to_offset($seconds) {
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return ($seconds < 0 ? '-' : '+') . sprintf('%02d:%02d', abs($seconds/60/60), ($seconds/60)%60);
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}
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function tz_seconds_to_timezone($seconds) {
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if($seconds != 0)
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$tz = new DateTimeZone(tz_seconds_to_offset($seconds));
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else
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$tz = new DateTimeZone('UTC');
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return $tz;
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}
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