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2.06 |
1 | <?php |
2 | |
3 | declare(strict_types=1); |
4 | |
5 | namespace PeServer\Core; |
6 | |
7 | use DateTime; |
8 | use DateTimeImmutable; |
9 | use DateTimeInterface; |
10 | use DateTimeZone; |
11 | use PeServer\Core\Throws\DateTimeException; |
12 | use PeServer\Core\Throws\ParseException; |
13 | |
14 | /** |
15 | * UTCの生成・読み込み処理 |
16 | * |
17 | * UTC扱うのにすっげー遠回りしたぞ。 |
18 | */ |
19 | abstract class Utc |
20 | { |
21 | #region define |
22 | |
23 | private const UTC_FORMAT_01 = 'Y-m-d\TH:i:s.u\Z'; |
24 | private const UTC_FORMAT_02 = 'Y-m-d\TH:i:s\Z'; |
25 | private const UTC_FORMAT_03 = 'Y-m-d\TH:i:s.u'; |
26 | private const UTC_FORMAT_04 = 'Y-m-d\TH:i:s'; |
27 | |
28 | private const UTC_FORMAT_11 = 'Y-m-d H:i:s.u\Z'; |
29 | private const UTC_FORMAT_12 = 'Y-m-d H:i:s\Z'; |
30 | private const UTC_FORMAT_13 = 'Y-m-d H:i:s.u'; |
31 | private const UTC_FORMAT_14 = 'Y-m-d H:i:s'; |
32 | |
33 | private const UTC_FORMAT_21 = 'Y/m/d H:i:s.u\Z'; |
34 | private const UTC_FORMAT_22 = 'Y/m/d H:i:s\Z'; |
35 | private const UTC_FORMAT_23 = 'Y/m/d H:i:s.u'; |
36 | private const UTC_FORMAT_24 = 'Y/m/d H:i:s'; |
37 | |
38 | #endregion |
39 | |
40 | #region variable |
41 | |
42 | private static ?DateTimeZone $timezone = null; |
43 | private static ?DateTimeInterface $empty = null; |
44 | |
45 | #endregion |
46 | |
47 | #region function |
48 | |
49 | public static function getEmpty(): DateTimeInterface |
50 | { |
51 | return self::$empty ??= new DateTime('0001-01-01T00:00:00Z'); |
52 | } |
53 | |
54 | /** |
55 | * タイムゾーン取得。 |
56 | * |
57 | * @return DateTimeZone |
58 | */ |
59 | public static function getTimezone(): DateTimeZone |
60 | { |
61 | return self::$timezone ??= new DateTimeZone('UTC'); |
62 | } |
63 | |
64 | /** |
65 | * 現在時刻を取得。 |
66 | * |
67 | * @return DateTimeImmutable |
68 | */ |
69 | public static function create(): DateTimeImmutable |
70 | { |
71 | return new DateTimeImmutable('now', self::getTimezone()); |
72 | } |
73 | |
74 | /** |
75 | * 現在時刻を変更可能なオブジェクトとして取得。 |
76 | * |
77 | * @return DateTime |
78 | */ |
79 | public static function createDateTime(): DateTime |
80 | { |
81 | return new DateTime('now', self::getTimezone()); |
82 | } |
83 | |
84 | /** |
85 | * パース処理。 |
86 | * |
87 | * @param class-string $dateTimeClassName |
88 | * @phpstan-param class-string<DateTimeImmutable|DateTime> $dateTimeClassName |
89 | * @param string|null $s |
90 | * @param DateTimeImmutable|DateTime|null $result |
91 | * @return boolean |
92 | * @phpstan-assert-if-true DateTimeImmutable|DateTime $result |
93 | * @phpstan-assert-if-false null $result |
94 | */ |
95 | private static function tryParseCore(string $dateTimeClassName, ?string $s, DateTimeImmutable|DateTime|null &$result): bool |
96 | { |
97 | if ($s === null) { |
98 | return false; |
99 | } |
100 | |
101 | $formats = [ |
102 | DateTimeInterface::ISO8601_EXPANDED, |
103 | self::UTC_FORMAT_01, |
104 | self::UTC_FORMAT_02, |
105 | self::UTC_FORMAT_03, |
106 | self::UTC_FORMAT_04, |
107 | self::UTC_FORMAT_11, |
108 | self::UTC_FORMAT_12, |
109 | self::UTC_FORMAT_13, |
110 | self::UTC_FORMAT_14, |
111 | self::UTC_FORMAT_21, |
112 | self::UTC_FORMAT_22, |
113 | self::UTC_FORMAT_23, |
114 | self::UTC_FORMAT_24, |
115 | ]; |
116 | |
117 | $datetime = false; |
118 | foreach ($formats as $format) { |
119 | $datetime = $dateTimeClassName::createFromFormat($format, $s, self::getTimezone()); |
120 | if ($datetime !== false) { |
121 | break; |
122 | } |
123 | } |
124 | if ($datetime === false) { |
125 | $result = null; |
126 | return false; |
127 | } |
128 | |
129 | $result = $datetime; |
130 | return true; |
131 | } |
132 | |
133 | /** |
134 | * パース処理。 |
135 | * |
136 | * @param string|null $s |
137 | * @param DateTimeImmutable|null $result |
138 | * @return boolean パース成功状態。 |
139 | * @phpstan-assert-if-true DateTimeImmutable $result |
140 | * @phpstan-assert-if-false null $result |
141 | */ |
142 | public static function tryParse(?string $s, ?DateTimeImmutable &$result): bool |
143 | { |
144 | //@phpstan-ignore-next-line [TIME] |
145 | return self::tryParseCore(DateTimeImmutable::class, $s, $result); |
146 | } |
147 | |
148 | /** |
149 | * 変更可能なオブジェクトとしてパース処理。 |
150 | * |
151 | * @param string|null $s |
152 | * @param-out DateTime $result |
153 | * @return boolean パース成功状態。 |
154 | */ |
155 | public static function tryParseDateTime(?string $s, ?DateTime &$result): bool |
156 | { |
157 | //@phpstan-ignore-next-line [TIME] |
158 | return self::tryParseCore(DateTime::class, $s, $result); |
159 | } |
160 | |
161 | /** |
162 | * パース処理。 |
163 | * |
164 | * @param string $s |
165 | * @return DateTimeImmutable |
166 | * @throws ParseException |
167 | */ |
168 | public static function parse(string $s): DateTimeImmutable |
169 | { |
170 | if (self::tryParse($s, $result)) { |
171 | return $result; |
172 | } |
173 | |
174 | throw new ParseException(); |
175 | } |
176 | |
177 | /** |
178 | * 変更可能なオブジェクトとしてパース処理。 |
179 | * |
180 | * @param string $s |
181 | * @return DateTime |
182 | * @throws ParseException |
183 | */ |
184 | public static function parseDateTime(string $s): DateTime |
185 | { |
186 | if (self::tryParseDateTime($s, $result)) { |
187 | return $result; |
188 | } |
189 | |
190 | throw new ParseException(); |
191 | } |
192 | |
193 | /** |
194 | * 文字列化。 |
195 | * |
196 | * @param DateTime|DateTimeImmutable|DateTimeInterface $datetime |
197 | * @return string |
198 | */ |
199 | public static function toString(DateTime|DateTimeImmutable|DateTimeInterface $datetime): string |
200 | { |
201 | return $datetime->format(self::UTC_FORMAT_01); |
202 | } |
203 | |
204 | /** |
205 | * 現在日時を文字列化。 |
206 | * |
207 | * @return string |
208 | */ |
209 | public static function createString(): string |
210 | { |
211 | return self::toString(self::create()); |
212 | } |
213 | |
214 | /** |
215 | * UNIX時間からDateTimeに変換。 |
216 | * |
217 | * @param int $unixTime |
218 | * @return DateTime |
219 | * @throws DateTimeException |
220 | */ |
221 | public static function toEditableDateTimeFromUnixTime(int $unixTime): DateTime |
222 | { |
223 | $result = DateTime::createFromFormat('U', (string)$unixTime, self::getTimezone()); |
224 | if ($result === false) { |
225 | throw new DateTimeException(); |
226 | } |
227 | |
228 | return $result; |
229 | } |
230 | |
231 | /** |
232 | * UNIX時間からDateTimeImmutableに変換。・ |
233 | * |
234 | * @param int $unixTime |
235 | * @return DateTimeImmutable |
236 | * @throws DateTimeException |
237 | */ |
238 | public static function toDateTimeFromUnixTime(int $unixTime): DateTimeImmutable |
239 | { |
240 | $result = DateTimeImmutable::createFromFormat('U', (string)$unixTime, self::getTimezone()); |
241 | if ($result === false) { |
242 | throw new DateTimeException(); |
243 | } |
244 | |
245 | return $result; |
246 | } |
247 | |
248 | #endregion |
249 | } |