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Time Interval Formatting

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Fix #2768. DateFormatter handles only one of six special formats for time intervals `[h] [hh] [m] [mm] [s] [ss]`. This PR extends support to the rest. There should be no more than one of these in any format string. Although it certainly could make sense to treat `[d] [dd]` in the same manner, Excel does not seem to support those.

Interesting observations - hours and minutes are truncated (presumably because they may be followed by minutes and seconds), but seconds are rounded. Also, there are some floating point issues, which fortunately showed up for the example in the original issue. There, the time interval was 1.15, which should evaluate to a minutes value of 1656 (as it does in Excel). However, on my system it evaluated to 1655 because of a rounding error in the 13th decimal place. To overcome this, values are rounded to 10 decimal places before truncating.
This commit is contained in:
oleibman
2022-04-23 11:12:46 -07:00
parent c6858885c0
commit 7fe5ee84ea
3 changed files with 166 additions and 58 deletions
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tests/data/Style/NumberFormatDates.php
+90
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@@ -72,4 +72,94 @@ return [
12345.6789,
'[DBNum3][$-zh-CN]yyyymmdd;@',
],
'hour with leading 0 and minute' => [
'03:36',
1.15,
'hh:mm',
],
'hour without leading 0 and minute' => [
'3:36',
1.15,
'h:mm',
],
'hour truncated not rounded' => [
'27',
1.15,
'[hh]',
],
'interval hour > 10 so no need for leading 0 and minute' => [
'27:36',
1.15,
'[hh]:mm',
],
'interval hour > 10 no leading 0 and minute' => [
'27:36',
1.15,
'[h]:mm',
],
'interval hour with leading 0 and minute' => [
'03:36',
0.15,
'[hh]:mm',
],
'interval hour no leading 0 and minute' => [
'3:36',
0.15,
'[h]:mm',
],
'interval hours > 100 and minutes no need for leading 0' => [
'123:36',
5.15,
'[hh]:mm',
],
'interval hours > 100 and minutes no leading 0' => [
'123:36',
5.15,
'[h]:mm',
],
'interval minutes > 10 no need for leading 0' => [
'1656',
1.15,
'[mm]',
],
'interval minutes > 10 no leading 0' => [
'1656',
1.15,
'[m]',
],
'interval minutes < 10 leading 0' => [
'07',
0.005,
'[mm]',
],
'interval minutes < 10 no leading 0' => [
'7',
0.005,
'[m]',
],
'interval minutes and seconds' => [
'07:12',
0.005,
'[mm]:ss',
],
'interval seconds' => [
'432',
0.005,
'[ss]',
],
'interval seconds rounded up leading 0' => [
'09',
0.0001,
'[ss]',
],
'interval seconds rounded up no leading 0' => [
'9',
0.0001,
'[s]',
],
'interval seconds rounded down' => [
'6',
0.00007,
'[s]',
],
];