質問編集履歴
3
修正
title
CHANGED
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File without changes
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body
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@@ -438,4 +438,56 @@
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438
438
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[is_localtime] =>
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439
439
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)
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440
440
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OK
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441
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+
```
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442
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+
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443
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+
DateTime::createFromFormat を活かしたスクリプト
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444
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+
```
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445
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+
<?php
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446
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+
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447
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+
$dates = [
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448
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+
'2017028',
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449
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+
'201702',
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450
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+
'201720',
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451
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+
'20172008',
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452
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+
'2017208',
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453
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+
'201730',
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454
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+
'201740',
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455
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+
'201799',
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456
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+
'201700',
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457
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+
'20170',
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458
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+
'2017-02-8',
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459
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+
'2017-02',
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460
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+
'2017-20',
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461
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+
'2017-20-08',
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462
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+
'2017-20-8',
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463
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+
'2017-30',
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464
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+
'2017-40',
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465
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+
'2017-99',
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466
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+
'2017-00',
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467
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+
'2017-0',
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468
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+
];
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469
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+
function chk_date($date) {
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470
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+
$formats = [
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471
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+
'Ymd',
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472
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+
'Ym',
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473
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+
'Y-m-d',
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474
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+
'Y-m',
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475
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+
];
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476
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+
foreach ( $formats as $format ) {
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477
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+
$datetime = DateTime::createFromFormat ( $format, $date );
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478
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+
$result = DateTime::getLastErrors ();
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479
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+
if (! $result ['warning_count'] && ! $result ['error_count']) {
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480
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+
echo ", format : $format <br>";
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481
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+
echo "DateTime : {$datetime->format('Y-m-d H:i:s')} <br>";
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482
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+
return TRUE;
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483
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+
}
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484
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+
}
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485
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+
return FALSE;
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486
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+
}
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487
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+
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488
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+
foreach ( $dates as $date ) {
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489
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echo "date : $date";
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490
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+
echo chk_date ( $date ) ? 'OK' : 'NG';
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491
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echo '<br><br>';
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492
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+
}
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441
493
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```
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2
追記修正
title
CHANGED
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File without changes
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body
CHANGED
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@@ -1,9 +1,8 @@
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1
1
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DateTime 使った、日付の確認スクリプトを作成したのですが、意図した月判定が出来ません。
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2
2
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3
3
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現象は
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4
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-
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4
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+
- Ym や Y-m の判定のときのみ起こるようである。d を含むと正常（一般的な範囲の月判定）に動作する。
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5
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-
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5
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+
- 0 や 99 といった月判定されてはおかしいようなものが月判定される。
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6
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-
・d を含むと正常（一般的な範囲の月判定）に動作する。
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7
6
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8
7
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[date](http://php.net/manual/ja/function.date.php)
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9
8
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m 月。数字。先頭にゼロをつける。 01 から 12
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@@ -26,11 +25,23 @@
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26
25
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'201799',
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27
26
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'201700',
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28
27
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'20170',
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28
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+
'2017-02-8',
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29
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+
'2017-02',
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30
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+
'2017-20',
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31
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+
'2017-20-08',
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32
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'2017-20-8',
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33
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+
'2017-30',
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34
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+
'2017-40',
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35
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+
'2017-99',
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36
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+
'2017-00',
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37
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+
'2017-0',
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29
38
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];
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30
39
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function chk_date($date) {
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31
40
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$formats = [
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32
41
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'Ymd',
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33
42
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'Ym',
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43
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+
'Y-m-d',
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44
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+
'Y-m',
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34
45
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];
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35
46
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foreach ( $formats as $format ) {
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36
47
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DateTime::createFromFormat ( $format, $date );
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@@ -51,6 +62,7 @@
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51
62
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echo chk_date ( $date ) ? 'OK' : 'NG';
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52
63
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echo '<br>';
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53
64
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}
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65
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+
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54
66
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```
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55
67
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56
68
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```
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@@ -240,4 +252,190 @@
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240
252
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[is_localtime] =>
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241
253
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)
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242
254
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OK
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255
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+
2017-02-8:
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256
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+
Array
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257
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+
(
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258
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+
[year] => 2017
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259
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+
[month] => 2
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260
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+
[day] => 8
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261
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+
[hour] =>
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262
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+
[minute] =>
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263
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+
[second] =>
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264
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+
[fraction] =>
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265
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+
[warning_count] => 0
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266
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+
[warnings] => Array
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+
(
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268
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+
)
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+
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270
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+
[error_count] => 0
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+
[errors] => Array
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+
(
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+
)
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+
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275
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+
[is_localtime] =>
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276
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+
)
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277
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+
OK
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278
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+
2017-02:
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279
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+
Array
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280
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+
(
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281
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+
[year] => 2017
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282
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+
[month] => 2
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283
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+
[day] =>
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284
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+
[hour] =>
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+
[minute] =>
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286
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+
[second] =>
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[fraction] =>
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288
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+
[warning_count] => 0
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289
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+
[warnings] => Array
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290
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+
(
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291
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+
)
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292
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+
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293
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+
[error_count] => 0
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294
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+
[errors] => Array
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295
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+
(
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296
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+
)
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297
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+
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298
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+
[is_localtime] =>
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299
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+
)
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300
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+
OK
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301
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+
2017-20:
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302
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+
Array
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303
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+
(
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304
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+
[year] => 2017
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305
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+
[month] => 20
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306
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+
[day] =>
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307
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+
[hour] =>
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308
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[minute] =>
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309
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+
[second] =>
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310
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+
[fraction] =>
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311
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[warning_count] => 0
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312
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+
[warnings] => Array
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313
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+
(
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314
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+
)
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315
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+
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316
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+
[error_count] => 0
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317
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+
[errors] => Array
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318
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+
(
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319
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+
)
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320
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+
|
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321
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+
[is_localtime] =>
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322
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+
)
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323
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+
OK
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324
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+
2017-20-08:NG
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325
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+
2017-20-8:NG
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326
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+
2017-30:
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327
|
+
Array
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328
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+
(
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329
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+
[year] => 2017
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330
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+
[month] => 30
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331
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+
[day] =>
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332
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+
[hour] =>
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333
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+
[minute] =>
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334
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+
[second] =>
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335
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+
[fraction] =>
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336
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+
[warning_count] => 0
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337
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+
[warnings] => Array
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338
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+
(
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339
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+
)
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340
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+
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341
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+
[error_count] => 0
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342
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+
[errors] => Array
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343
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+
(
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344
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+
)
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345
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+
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346
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+
[is_localtime] =>
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347
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+
)
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348
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+
OK
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349
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+
2017-40:
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350
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+
Array
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351
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+
(
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352
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+
[year] => 2017
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353
|
+
[month] => 40
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|
354
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+
[day] =>
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355
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+
[hour] =>
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356
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+
[minute] =>
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357
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+
[second] =>
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358
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+
[fraction] =>
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359
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+
[warning_count] => 0
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360
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+
[warnings] => Array
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361
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+
(
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362
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+
)
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363
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+
|
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364
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+
[error_count] => 0
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365
|
+
[errors] => Array
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366
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+
(
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367
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+
)
|
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368
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+
|
|
369
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+
[is_localtime] =>
|
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370
|
+
)
|
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371
|
+
OK
|
|
372
|
+
2017-99:
|
|
373
|
+
Array
|
|
374
|
+
(
|
|
375
|
+
[year] => 2017
|
|
376
|
+
[month] => 99
|
|
377
|
+
[day] =>
|
|
378
|
+
[hour] =>
|
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379
|
+
[minute] =>
|
|
380
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+
[second] =>
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|
381
|
+
[fraction] =>
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|
382
|
+
[warning_count] => 0
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|
383
|
+
[warnings] => Array
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|
384
|
+
(
|
|
385
|
+
)
|
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386
|
+
|
|
387
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+
[error_count] => 0
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|
388
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+
[errors] => Array
|
|
389
|
+
(
|
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390
|
+
)
|
|
391
|
+
|
|
392
|
+
[is_localtime] =>
|
|
393
|
+
)
|
|
394
|
+
OK
|
|
395
|
+
2017-00:
|
|
396
|
+
Array
|
|
397
|
+
(
|
|
398
|
+
[year] => 2017
|
|
399
|
+
[month] => 0
|
|
400
|
+
[day] =>
|
|
401
|
+
[hour] =>
|
|
402
|
+
[minute] =>
|
|
403
|
+
[second] =>
|
|
404
|
+
[fraction] =>
|
|
405
|
+
[warning_count] => 0
|
|
406
|
+
[warnings] => Array
|
|
407
|
+
(
|
|
408
|
+
)
|
|
409
|
+
|
|
410
|
+
[error_count] => 0
|
|
411
|
+
[errors] => Array
|
|
412
|
+
(
|
|
413
|
+
)
|
|
414
|
+
|
|
415
|
+
[is_localtime] =>
|
|
416
|
+
)
|
|
417
|
+
OK
|
|
418
|
+
2017-0:
|
|
419
|
+
Array
|
|
420
|
+
(
|
|
421
|
+
[year] => 2017
|
|
422
|
+
[month] => 0
|
|
423
|
+
[day] =>
|
|
424
|
+
[hour] =>
|
|
425
|
+
[minute] =>
|
|
426
|
+
[second] =>
|
|
427
|
+
[fraction] =>
|
|
428
|
+
[warning_count] => 0
|
|
429
|
+
[warnings] => Array
|
|
430
|
+
(
|
|
431
|
+
)
|
|
432
|
+
|
|
433
|
+
[error_count] => 0
|
|
434
|
+
[errors] => Array
|
|
435
|
+
(
|
|
436
|
+
)
|
|
437
|
+
|
|
438
|
+
[is_localtime] =>
|
|
439
|
+
)
|
|
440
|
+
OK
|
|
243
441
|
```
|
1
修正
title
CHANGED
|
@@ -1,1 +1,1 @@
|
|
|
1
|
-
DateTime
|
|
1
|
+
DateTime クラスの月判定に関して
|
body
CHANGED
|
File without changes
|