{"id":21625,"date":"2017-04-18T18:57:36","date_gmt":"2017-04-18T09:57:36","guid":{"rendered":"http:\/\/www.sejuku.net\/blog\/?p=21625"},"modified":"2024-05-06T11:41:40","modified_gmt":"2024-05-06T02:41:40","slug":"%e3%80%90php%e5%85%a5%e9%96%80%e3%80%91date%e3%81%ae%e4%bd%bf%e7%94%a8%e6%96%b9%e6%b3%95format","status":"publish","type":"post","link":"https:\/\/www.sejuku.net\/blog\/21625","title":{"rendered":"\u3010PHP\u5165\u9580\u3011\u65e5\u4ed8\u306e\u30d5\u30a9\u30fc\u30de\u30c3\u30c8(format) | date\u30fbDateTime\u306a\u3069"},"content":{"rendered":"

PHP\u306b\u306fdate<\/strong><\/span>\u95a2\u6570\u3084DateTime<\/strong><\/span>\u30af\u30e9\u30b9\u3092\u4f7f\u7528\u3057\u3066\u65e5\u4ed8\u3092\u3055\u307e\u3056\u307e\u306a\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u306b\u5909\u63db\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n

\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001<\/p>\n

\u30fbdate\u95a2\u6570\u3067\u65e5\u4ed8\u3092\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3059\u308b\u65b9\u6cd5
\n\u30fbDateTime\u30af\u30e9\u30b9\u306eformat\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u65e5\u4ed8\u3092\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3059\u308b\u65b9\u6cd5
\n\u30fb\u6307\u5b9a\u3057\u305f\u65e5\u6642\u3067\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3059\u308b\u65b9\u6cd5(strtotime)<\/strong><\/span><\/p>\n

\u3068\u3044\u3046\u57fa\u672c\u7684\u306a\u5185\u5bb9\u304b\u3089\u3001<\/p>\n

\u30fb\u65e5\u6642\u3092\u30c1\u30a7\u30c3\u30af\u3059\u308b\u65b9\u6cd5(strptime,checkdate)
\n\u30fb\u66dc\u65e5\u3092\u53d6\u5f97\u3059\u308b\u65b9\u6cd5<\/strong><\/span><\/p>\n

\u306a\u3069\u306e\u5fdc\u7528\u7684\u306a\u4f7f\u3044\u65b9\u306b\u95a2\u3057\u3066\u3082\u89e3\u8aac\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n

\u4eca\u56de\u306fdate\u95a2\u6570\u3084DateTime\u30af\u30e9\u30b9\u3067\u65e5\u4ed8\u3092\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3059\u308b\u65b9\u6cd5\u306b\u3064\u3044\u3066\u3001\u308f\u304b\u308a\u3084\u3059\u304f\u89e3\u8aac\u3057\u307e\u3059\uff01<\/strong><\/span><\/p>\n

date\u95a2\u6570\u3067\u30d5\u30a9\u30fc\u30de\u30c3\u30c8<\/h2>\n

\u3053\u3053\u3067\u306fdate<\/strong><\/span>\u95a2\u6570\u3092\u4f7f\u7528\u3057\u3066\u65e5\u4ed8\u3092\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3059\u308b\u65b9\u6cd5\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n

date\u95a2\u6570\u3068\u306f<\/h3>\n

date<\/strong><\/span>\u95a2\u6570\u306f\u30ed\u30fc\u30ab\u30eb\u306e\u65e5\u4ed8\u3084\u6642\u523b\u3092\u66f8\u5f0f\u5316\u3059\u308b\u95a2\u6570<\/strong><\/span>\u3067\u3001\u65e5\u4ed8\u3092\u6271\u3046\u51e6\u7406\u3067\u3088\u304f\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n

date\u95a2\u6570\u3067\u65e5\u4ed8\u306e\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3092\u6307\u5b9a\u3059\u308b\u5834\u5408\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u8a18\u8ff0\u3057\u307e\u3059\u3002<\/p>\n

\u66f8\u304d\u65b9\uff1a<\/strong><\/p>\n

string date(\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u6587\u5b57 [, \u30bf\u30a4\u30e0\u30b9\u30bf\u30f3\u30d7])<\/pre>\n
\u5f15\u6570\uff1a<\/strong>
\n\u7b2c\u4e00\u5f15\u6570\u306e\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u6587\u5b57\u306b\u306f\u6587\u5b57\u5217\u578b\u65e5\u4ed8\u306e\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002<\/p>\n
\u7b2c\u4e8c\u5f15\u6570\u306b\u306fUnix\u30bf\u30a4\u30e0\u30b9\u30bf\u30f3\u30d7<\/strong><\/span>\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002
\n\uff08Unix\u30bf\u30a4\u30e0\u30b9\u30bf\u30f3\u30d7\u3068\u306f\u3001 1970 \u5e74 1 \u6708 1 \u65e5 00:00:00 UTC \u304b\u3089\u306e\u7d4c\u904e\u79d2\u6570\u3092\u6307\u3057\u307e\u3059\uff09<\/p>\n
Unix\u30bf\u30a4\u30e0\u30b9\u30bf\u30f3\u30d7\u3092\u7701\u7565\u3057\u305f\u5834\u5408\u306f\u73fe\u5728\u306e\u6642\u523b\u304c\u53d6\u5f97<\/strong><\/span>\u3067\u304d\u307e\u3059\u3002<\/p>\n
\u6307\u5b9a\u3067\u304d\u308b\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u6587\u5b57\uff08\u4e3b\u306b\u751f\u5e74\u6708\u65e5\u6642\u5206\u79d2\uff09\uff1a
\nY<\/strong><\/span>\uff1a\u5e74\uff08\u897f\u66a6\u306e4\u6841\uff09\u30fb\u30fb\u30fb\u4f8b\uff092017
\ny<\/strong><\/span>\uff1a\u5e74\uff08\u897f\u66a6\u306e2\u6841\uff09\u30fb\u30fb\u30fb\u4f8b\uff0917
\nM<\/strong><\/span>\uff1a\u6708\uff082\u6841\u306e\u6708\uff09\u30fb\u30fb\u30fb\u4f8b\uff0908
\nn<\/strong><\/span>\uff1a\u6708\uff081\u6841\u3067\u5148\u982d\u306b0\u3092\u4ed8\u3051\u3044\u306a\u3044\uff09\u30fb\u30fb\u30fb\u4f8b\uff098
\nd<\/strong><\/span>\uff1a\u65e5\uff082\u6841\u306e\u65e5\u4ed8\uff09\u30fb\u30fb\u30fb\u4f8b\uff0921
\nH<\/strong><\/span>\uff1a\u6642\u9593\uff082\u6841\u306e24\u6642\u9593\u5358\u4f4d\uff09\u30fb\u30fb\u30fb\u4f8b\uff0916
\nh<\/strong><\/span>\uff1a\u6642\u9593\uff082\u6841\u306e12\u6642\u9593\u5358\u4f4d\uff09\u30fb\u30fb\u30fb\u4f8b\uff0908
\ni<\/strong><\/span>\uff1a\u5206\uff082\u6841\u306e\u5206\uff09\u30fb\u30fb\u30fb\u4f8b\uff0920
\ns<\/strong><\/span>\uff1a\u79d2\uff082\u6841\u306e\u79d2\uff09\u30fb\u30fb\u30fb\u4f8b\uff0930
\nt<\/strong><\/span>\uff1a\u6307\u5b9a\u3057\u305f\u6708\u306e\u65e5\u6570\uff0828~31\uff09\u30fb\u30fb\u30fb\u4f8b\uff0931
\nw<\/strong><\/span>\uff1a\u66dc\u65e5\uff080\uff1a\u65e5 \uff5e 6\uff1a\u571f\uff09\u30fb\u30fb\u30fb\u4f8b\uff092(\u706b)
\nl<\/strong><\/span>\uff1a\u66dc\u65e5\uff08Sunday\u301cSaturday\uff09<\/p>\n
\u8fd4\u308a\u5024\uff1a<\/strong>
\n\u66f8\u5f0f\u5316\u3055\u308c\u305f\u65e5\u4ed8\u6587\u5b57\u5217\u3092\u8fd4\u3057\u307e\u3059\u3002
\n\u7b2c\u4e8c\u5f15\u6570\u306e\u30bf\u30a4\u30e0\u30b9\u30bf\u30f3\u30d7\u306f\u6570\u5b57\u4ee5\u5916\u304c\u6307\u5b9a\u3055\u308c\u305f\u5834\u5408\u306fFALSE\u3092\u8fd4\u3057\u3001\u30ef\u30fc\u30cb\u30f3\u30b0\u30a8\u30e9\u30fc\u304c\u767a\u751f<\/strong><\/span>\u3057\u307e\u3059\u3002<\/p>\n
\u65e5\u4ed8\u30fb\u65e5\u6642\u3092\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3059\u308b<\/h3>\n
\u4ee5\u4e0b\u306bdate\u95a2\u6570\u3092\u4f7f\u7528\u3057\u3066\u3001\u65e5\u4ed8\u3084\u65e5\u6642\u306e\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u6307\u5b9a\u3059\u308b\u7c21\u5358\u306a\u30b5\u30f3\u30d7\u30eb\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n
\u30b5\u30f3\u30d7\u30eb\u30d7\u30ed\u30b0\u30e9\u30e01<\/strong><\/p>\n
\/\/\u65e5\u4ed8\u3092\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3059\u308b\r\necho date('Y\u5e74m\u6708d\u65e5').'<br>';\r\n\r\n\/\/\u65e5\u6642\u3092\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3059\u308b\r\necho date('Y\u5e74m\u6708d\u65e5\u3000H\u6642i\u5206s\u79d2');<\/pre>\n
\u5b9f\u884c\u7d50\u679c\uff1a<\/strong><\/p>\n
2017\u5e7410\u670823\u65e5\r\n2017\u5e7410\u670823\u65e5\u300009\u664224\u520632\u79d2<\/pre>\n
\u30b5\u30f3\u30d7\u30eb\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u306f\u5e74\u6708\u65e5\u3092\u6307\u5b9a\u3059\u308b\u305f\u3081\u306ey\u30fbm\u30fbd\u3084\u6642\u523b\u3092\u6307\u5b9a\u3059\u308bH\u30fbi\u30fbs\u3092\u5f15\u6570\u306b\u6307\u5b9a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n
date\u95a2\u6570\u306e\u7b2c\u4e8c\u5f15\u6570\u3067\u3042\u308b\u30bf\u30a4\u30e0\u30b9\u30bf\u30f3\u30d7\u306f\u6307\u5b9a\u3057\u3066\u3044\u306a\u3044\u305f\u3081\u3001\u3053\u3053\u3067\u306f\u73fe\u5728\u306e\u65e5\u6642\u304c\u51fa\u529b\u3055\u308c\u307e\u3059\u3002<\/p>\n
\u307e\u305f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u66dc\u65e5\u3092\u53d6\u5f97\u3059\u308b\u3053\u3068\u3082\u53ef\u80fd\u3067\u3059\u3002<\/p>\n
\u30b5\u30f3\u30d7\u30eb\u30d7\u30ed\u30b0\u30e9\u30e02<\/strong><\/p>\n
\/\/\u672c\u65e5\u306e\u66dc\u65e5\u3092\u53d6\u5f97\u3059\u308b\r\necho 'Today is '. date('l').'<br>';\r\n\r\n\/\/2015\u5e7410\u67081\u65e5\u306e\u66dc\u65e5\u3092\u53d6\u5f97\u3059\u308b\r\necho 'The day of the week on October 1, 2015 is '.\r\ndate('l', mktime(0, 0, 0, 10, 1, 2015));<\/pre>\n
\u5b9f\u884c\u7d50\u679c\uff1a<\/strong><\/p>\n
Today is Monday\r\nThe day of the week on October 1, 2015 is Thursday<\/pre>\n
\u65e5\u4ed8\u30fb\u65e5\u6642\u3092\u30df\u30ea\u79d2\u5358\u4f4d\u3067\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3059\u308b<\/h3>\n
\u65e5\u4ed8\u3092\u30df\u30ea\u79d2\u5358\u4f4d\u3067\u53d6\u5f97<\/strong><\/span>\u3059\u308b\u305f\u3081\u306b\u306f\u3001micortime<\/strong><\/span>\u95a2\u6570\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<\/p>\n
\u66f8\u304d\u65b9\uff1a<\/strong><\/p>\n
micortime (bool)<\/pre>\n
\u5f15\u6570\uff1a<\/strong>
\nTRUE\u3092\u6307\u5b9a\u3059\u308b\u3068\u3001float<\/strong><\/span>\u306e\u5024\u3092\u8fd4\u3057\u307e\u3059\u3002<\/p>\n
\u8fd4\u308a\u5024\uff1a<\/strong>
\n\u73fe\u5728\u306eUnix\u30bf\u30a4\u30e0\u30b9\u30bf\u30f3\u30d7\u3092\u30de\u30a4\u30af\u30ed\u79d2\u5358\u4f4d\u307e\u3067\u8fd4\u3057\u307e\u3059\u3002<\/p>\n
\u30b5\u30f3\u30d7\u30eb\u30d7\u30ed\u30b0\u30e9\u30e0<\/strong><\/p>\n
\/\/\u65e5\u6642\u3068\u30df\u30ea\u79d2\u3067\u5206\u5272\r\n$mtime = explode('.', microtime(true));\r\n\r\n\/\/date\u95a2\u6570\u3067\u6307\u5b9a\u3057\u305f\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u306b\u5909\u63db\r\necho date('Y\/m\/d H:i:s', $mtime[0]);\r\necho '<br>';\r\n\r\n\/\/\u65e5\u6642\u3068\u30df\u30ea\u79d2\u3092\u6307\u5b9a\r\necho date('Y\/m\/d H:i:s', $mtime[0]) . '.' .$mtime[1];<\/pre>\n
\u5b9f\u884c\u7d50\u679c\uff1a<\/strong><\/p>\n
2017\/09\/03 02:12:33\r\n2017\/09\/03 02:12:33.77<\/pre>\n
microtime\u95a2\u6570\u3092\u4f7f\u7528\u3059\u308c\u3070\u3001\u3053\u306e\u3088\u3046\u306b\u30df\u30ea\u79d2\u5358\u4f4d\u3067\u65e5\u6642\u304c\u53d6\u5f97<\/strong><\/span>\u3067\u304d\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u306d\uff01<\/p>\n
DateTime\u30af\u30e9\u30b9\u3067\u30d5\u30a9\u30fc\u30de\u30c3\u30c8<\/h2>\n
\u3053\u3053\u3067\u306fDateTime<\/strong><\/span>\u30af\u30e9\u30b9\u3092\u4f7f\u7528\u3057\u3066\u65e5\u4ed8\u3092\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3059\u308b\u65b9\u6cd5\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n
DateTime\u30af\u30e9\u30b9\u3068\u306f<\/h3>\n
\u65e5\u4ed8\u3084\u6642\u523b\u3092\u6307\u5b9a\u3057\u305f\u66f8\u5f0f\u3067\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3057\u3066\u53d6\u5f97\u3057\u305f\u3044\u5834\u5408\u306f\u3001DataTime<\/strong><\/span>\u30af\u30e9\u30b9\u3092\u4f7f\u7528\u3059\u308b\u65b9\u6cd5\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n
DateTime\u30af\u30e9\u30b9\u306f\u65e5\u4ed8\u3092\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3068\u3057\u3066\u6271\u3046\u30af\u30e9\u30b9<\/strong><\/span>\u3067\u3059\u3002<\/p>\n
\u65e5\u4ed8\u3092\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3059\u308b\u306b\u306fDateTime\u30af\u30e9\u30b9\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u5bfe\u3057\u3066format<\/strong><\/span>\u30e1\u30bd\u30c3\u30c9\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002<\/p>\n
\u66f8\u304d\u65b9\uff1a<\/strong><\/p>\n
public string DateTime::format ( string $\u30d5\u30a9\u30fc\u30de\u30c3\u30c8)<\/pre>\n
\u5f15\u6570\uff1a<\/strong>
\n$\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u306b\u306f\u65e5\u4ed8\u306e\u66f8\u5f0f\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002<\/p>\n
\u65e5\u4ed8\u30fb\u65e5\u6642\u3092\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3059\u308b<\/h3>\n
\u4ee5\u4e0b\u306bDataTime<\/strong><\/span>\u30af\u30e9\u30b9\u306eformat<\/strong><\/span>\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u3001\u73fe\u5728\u306e\u65e5\u6642\u3067\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3059\u308b\u65b9\u6cd5<\/strong><\/span>\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n
\u30b5\u30f3\u30d7\u30eb\u30d7\u30ed\u30b0\u30e9\u30e01<\/strong><\/p>\n
\/\/\u73fe\u5728\u306e\u65e5\u6642\u3092\u6307\u5b9a\u3059\u308b\r\n$date = new DateTime();\r\n\r\n\/\/\u6307\u5b9a\u3057\u305f\u66f8\u5f0f\u3067\u65e5\u6642\u3092\u53d6\u5f97\u3059\u308b\r\necho $date->format('Y-m-d H:i:s');<\/pre>\n
\u5b9f\u884c\u7d50\u679c\uff1a<\/strong><\/p>\n
2017-10-23 18:45:26<\/pre>\n
DateTime\u30af\u30e9\u30b9\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u751f\u6210\u6642\u306b\u5f15\u6570\u3092\u6307\u5b9a\u3057\u306a\u3044\u3068\u3001\u73fe\u5728\u306e\u65e5\u6642\u3092\u53d6\u5f97\u3057\u305f\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210<\/strong><\/span>\u3057\u307e\u3059\u3002<\/p>\n
\u4f5c\u6210\u3057\u305fDatetime\u30af\u30e9\u30b9\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u5bfe\u3057\u3066format\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3001\u5f15\u6570\u306b\u65e5\u6642\u306e\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u3067\u3001\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3055\u308c\u305f\u65e5\u6642\u3092\u53d6\u5f97<\/strong><\/span>\u3067\u304d\u307e\u3059\u3002<\/p>\n
\u65e5\u4ed8\u3092\u6307\u5b9a\u3057\u3066\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3057\u305f\u3044\u5834\u5408\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u8a18\u8ff0\u3057\u307e\u3059\u3002
\n
\n\u30b5\u30f3\u30d7\u30eb\u30d7\u30ed\u30b0\u30e9\u30e02<\/strong><\/p>\n
\/\/\u73fe\u5728\u306e\u65e5\u6642\u3092\u6307\u5b9a\u3059\u308b\r\n$date = new DateTime('2015-10-01');\r\n\r\n\/\/\u6307\u5b9a\u3057\u305f\u66f8\u5f0f\u3067\u65e5\u6642\u3092\u53d6\u5f97\u3059\u308b\r\necho $date->format('Y-m-d H:i:s');<\/pre>\n
\u5b9f\u884c\u7d50\u679c\uff1a<\/strong><\/p>\n
2015-10-01 00:00:00<\/pre>\n
DateTime\u95a2\u6570\u306e\u8a73\u3057\u3044\u4f7f\u3044\u65b9\u3084\u3001date_format\u95a2\u6570\u3092\u4f7f\u7528\u3057\u305f\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u8a2d\u5b9a\u65b9\u6cd5\u306b\u3064\u3044\u3066\u306f\u3001\u4ee5\u4e0b\u306e\u8a18\u4e8b\u3067\u8a73\u3057\u304f\u89e3\u8aac\u3057\u3066\u3044\u307e\u3059\uff01<\/p>\n
            \n                
\n                
\n                    
\n                    \n                    <\/div>\n                    
\n                    
\u3010PHP\u3011DateTime\u3067\u306e\u65e5\u6642\u53d6\u5f97\u3068\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u65b9\u6cd5\u307e\u3068\u3081<\/div>\n                    
\u66f4\u65b0\u65e5\uff1a2024\u5e745\u67086\u65e5<\/div>\n                    <\/div>\n                <\/div>\n                <\/div>\n            <\/a>\n            
\n            \n                
\n                
\n                    
\n                    \n                    <\/div>\n                    
\n                    
\u3010PHP\u5165\u9580\u3011date_format\u306e\u4f7f\u3044\u65b9<\/div>\n                    
\u66f4\u65b0\u65e5\uff1a2024\u5e745\u67086\u65e5<\/div>\n                    <\/div>\n                <\/div>\n                <\/div>\n            <\/a>\n            <\/p>\n
strtotime\u95a2\u6570\u3067\u6307\u5b9a\u3057\u305f\u65e5\u6642\u3067\u30d5\u30a9\u30fc\u30de\u30c3\u30c8<\/h2>\n
strtotime\u95a2\u6570\u3068\u306f<\/h3>\n
\u6307\u5b9a\u3057\u305f\u65e5\u6642\u3067\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3059\u308b\u306b\u306f\u3001date\u95a2\u6570\u306e\u7b2c\u4e8c\u5f15\u6570\u306bstrtotime<\/strong><\/span>\u95a2\u6570\u3092\u4f7f\u7528\u3057\u3066\u3001\u65e5\u4ed8\u6587\u5b57\u5217\u3092Unix\u30bf\u30a4\u30e0\u30b9\u30bf\u30f3\u30d7\u306b\u5909\u63db<\/strong><\/span>\u3057\u307e\u3059\u3002<\/p>\n
\u66f8\u304d\u65b9\uff1a<\/strong><\/p>\n
strtotime(Unix\u30bf\u30a4\u30e0\u30b9\u30bf\u30f3\u30d7)<\/pre>\n
\u5f15\u6570\uff1a<\/strong>
\n\u65e5\u4ed8\/\u65e5\u6642\u306e\u6587\u5b57\u5217<\/p>\n
\u8fd4\u308a\u5024\uff1a<\/strong>
\n\u51e6\u7406\u304c\u6210\u529f\u3059\u308b\u3068Unix\u30bf\u30a4\u30e0\u30b9\u30bf\u30f3\u30d7\u3092\u8fd4\u3057\u3001\u5931\u6557\u3059\u308b\u3068FALSE\u3092\u8fd4\u3057\u307e\u3059\u3002<\/p>\n
strtotime\u95a2\u6570\u306e\u4f7f\u3044\u65b9<\/h3>\n
\u4ee5\u4e0b\u306bdate\u95a2\u6570\u3067\u5f15\u6570\u306b\u65e5\u4ed8\u6587\u5b57\u5217\u3092\u6307\u5b9a<\/strong><\/span>\u3057\u3066\u3001\u65e5\u6642\u306b\u5909\u66f4\u3059\u308b\u65b9\u6cd5\u3092\u8a18\u8ff0\u3057\u307e\u3059\u3002
\n
\n\u30b5\u30f3\u30d7\u30eb\u30d7\u30ed\u30b0\u30e9\u30e0<\/strong><\/p>\n
$date = '2017-04-01 00:00:00';\r\necho date('Y\u5e74m\u6708d\u65e5', strtotime($date));\r\necho '<br>';\r\necho date('Y\u5e74m\u6708d\u65e5\u3000H\u6642i\u5206s\u79d2', strtotime($date));<\/pre>\n
\u5b9f\u884c\u7d50\u679c\uff1a<\/strong><\/p>\n
2017\u5e7404\u670801\u65e5\r\n2017\u5e7404\u670801\u65e5\u300000\u664200\u520600\u79d2<\/pre>\n
\u30b5\u30f3\u30d7\u30eb\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u306f\u6587\u5b57\u5217\u578b\u306e\u65e5\u4ed8\u3092\u8a2d\u5b9a\u3057\u3001strtotime<\/strong><\/span>\u95a2\u6570\u3067Unix\u30bf\u30a4\u30e0\u30b9\u30bf\u30f3\u30d7\uff081970\u5e74\u304b\u3089\u306e\u901a\u7b97\u79d2\uff09\u306b\u5909\u63db\u3057\u305f\u5024\u3092\u3001date\u95a2\u6570\u3067\u6307\u5b9a\u3057\u305f\u30d5\u30a9\u30fc\u30de\u30c3\u30c8<\/strong><\/span>\u3067\u65e5\u4ed8\u3092\u8a2d\u5b9a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n
strtotime\u95a2\u6570\u306e\u4f7f\u3044\u65b9\u306b\u3064\u3044\u3066\u306f\u3001\u4ee5\u4e0b\u306e\u8a18\u4e8b\u3067\u3082\u8a73\u3057\u304f\u89e3\u8aac\u3057\u3066\u3044\u307e\u3059\u306e\u3067\u3001\u305c\u3072\u53c2\u8003\u306b\u3057\u3066\u304f\u3060\u3055\u3044\uff01
\n            \n                
\n                
\n                    
\n                    \n                    <\/div>\n                    
\n                    
\u3010PHP\u5165\u9580\u3011strtotime\u3092\u4f7f\u3063\u305fUNIX\u30bf\u30a4\u30e0\u30b9\u30bf\u30f3\u30d7\u306e\u53d6\u5f97\u65b9\u6cd5\u307e\u3068\u3081<\/div>\n                    
\u66f4\u65b0\u65e5\uff1a2024\u5e745\u67086\u65e5<\/div>\n                    <\/div>\n                <\/div>\n                <\/div>\n            <\/a>\n            <\/p>\n
\u65e5\u6642\u3092\u30c1\u30a7\u30c3\u30af\u3059\u308b\u65b9\u6cd5<\/h2>\n
\u3053\u3053\u3067\u306f\u3001strptime<\/strong><\/span>\u95a2\u6570\u3068checkdate<\/strong><\/span>\u95a2\u6570\u3092\u4f7f\u7528\u3057\u305f\u65e5\u4ed8\u306e\u30c1\u30a7\u30c3\u30af\u65b9\u6cd5\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n
strptime\u95a2\u6570<\/h3>\n
\u6307\u5b9a\u3057\u305f\u65e5\u4ed8\u306e\u5f62\u5f0f\u304c\u6b63\u3057\u3044\u304b\u30c1\u30a7\u30c3\u30af\u3059\u308b\u306b\u306f\u3001strptime<\/strong><\/span>\u95a2\u6570\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<\/p>\n
\u66f8\u304d\u65b9\uff1a<\/strong><\/p>\n
array strptime($\u65e5\u4ed8\u6587\u5b57\u5217, \u30d5\u30a9\u30fc\u30de\u30c3\u30c8)<\/pre>\n
\u5f15\u6570\uff1a<\/strong>
\n\u7b2c\u4e00\u5f15\u6570\u306b\u306f\u6587\u5b57\u5217\u578b\u65e5\u4ed8<\/strong><\/span>\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002
\n\u7b2c\u4e8c\u5f15\u6570\u306b\u306fdate\u95a2\u6570\u3067\u4f7f\u7528\u3055\u308c\u3066\u3044\u308b\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002<\/p>\n
\u8fd4\u308a\u5024\uff1a<\/strong>
\n\u6210\u529f\u3057\u305f\u5834\u5408\u306f\u914d\u5217\u3092\u8fd4\u3057\u3001\u5931\u6557\u3057\u305f\u5834\u5408\u306fFALSE\u3092\u8fd4\u3057\u307e\u3059\u3002<\/p>\n
\u30b5\u30f3\u30d7\u30eb\u30d7\u30ed\u30b0\u30e9\u30e0<\/strong><\/p>\n
$date = '2017-04-01';\r\n \r\n\/\/strptime\u95a2\u6570\u3067\u6307\u5b9a\u3057\u305f\u65e5\u4ed8\u306e\u5f62\u5f0f\u3092\u30c1\u30a7\u30c3\u30af\u3059\u308b\r\nif(strptime($date, '%Y-%m-%d')){\r\n  echo '\u6b63\u3057\u3044\u5f62\u5f0f\u3067\u3059';\r\n}else{\r\n  echo '\u4e0d\u6b63\u306a\u5f62\u5f0f\u3067\u3059';\r\n}<\/pre>\n
\u5b9f\u884c\u7d50\u679c\uff1a<\/strong><\/p>\n
\u6b63\u3057\u3044\u5f62\u5f0f\u3067\u3059<\/pre>\n
checkdate\u95a2\u6570<\/h3>\n
\u6307\u5b9a\u3057\u305f\u65e5\u4ed8\u304c\u6b63\u3057\u3044\u304b\u30c1\u30a7\u30c3\u30af<\/strong><\/span>\u3059\u308b\u306b\u306f\u3001checkdate<\/strong><\/span>\u95a2\u6570\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<\/p>\n
\u66f8\u304d\u65b9\uff1a<\/strong><\/p>\n
bool checkdate(\u6708, \u65e5, \u5e74)<\/pre>\n
\u5f15\u6570\uff1a<\/strong>
\n\u7b2c\u4e00\u5f15\u6570\u306b\u6708\u3001\u7b2c\u4e8c\u5f15\u6570\u306b\u65e5\u3001\u7b2c\u4e09\u5f15\u6570\u306b\u5e74\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002<\/p>\n
\u8fd4\u308a\u5024\uff1a<\/strong>
\n\u6307\u5b9a\u3057\u305f\u65e5\u4ed8\u304c\u6709\u52b9\u306a\u5834\u5408\u306fTRUE\u3001\u9055\u3046\u5834\u5408\u306fFALSE\u3092\u8fd4\u3057\u307e\u3059\u3002<\/p>\n
\u30b5\u30f3\u30d7\u30eb\u30d7\u30ed\u30b0\u30e9\u30e0<\/strong><\/p>\n
$date = '2017-04-01';\r\n \r\n\/\/checkdate\u95a2\u6570\u3067\u6307\u5b9a\u3057\u305f\u65e5\u4ed8\u304c\u305f\u3060\u3057\u4ee5\u4e0b\u30c1\u30a7\u30c3\u30af\u3059\u308b\r\nif(checkdate(4, 1, 2017)){\r\n  echo '\u6b63\u3057\u3044\u65e5\u4ed8\u3067\u3059';\r\n}else{\r\n  echo '\u5b58\u5728\u3057\u306a\u3044\u65e5\u4ed8\u3067\u3059';\r\n}<\/pre>\n
\u5b9f\u884c\u7d50\u679c\uff1a<\/strong><\/p>\n
\u6b63\u3057\u3044\u65e5\u4ed8\u3067\u3059<\/pre>\n
\u66dc\u65e5\u3092\u53d6\u5f97\u3059\u308b\u65b9\u6cd5<\/h2>\n
date\u95a2\u6570\u306e\u5f15\u6570\u306b\u2019w\u2019<\/strong><\/span>\u3092\u6307\u5b9a\u3059\u308c\u3070\u66dc\u65e5\u756a\u53f7\u3092\u53d6\u5f97<\/strong><\/span>\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n
\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u8a18\u8ff0\u3059\u308c\u3070\u3001\u672c\u65e5\u306e\u65e5\u4ed8\u304b\u3089\u66dc\u65e5\u756a\u53f7\u304c\u53d6\u5f97\u3067\u304d\u307e\u3059\u3002<\/p>\n
\u30b5\u30f3\u30d7\u30eb\u30d7\u30ed\u30b0\u30e9\u30e0<\/strong><\/p>\n
$date = date('w');\r\necho $date;<\/pre>\n
\u5b9f\u884c\u7d50\u679c\uff1a<\/strong><\/p>\n
1<\/pre>\n
\u66dc\u65e5\u3092\u65e5\u672c\u8a9e\u306b\u5909\u63db\u3059\u308b\u65b9\u6cd5\u306b\u3064\u3044\u3066\u306f\u3001\u4ee5\u4e0b\u306e\u8a18\u4e8b\u3067\u8a73\u3057\u304f\u89e3\u8aac\u3057\u3066\u3044\u307e\u3059\uff01
\n            \n                
\n                
\n                    
\n                    \n                    <\/div>\n                    
\n                    
\u3010PHP\u5165\u9580\u3011date\u3067\u66dc\u65e5\u3092\u53d6\u5f97\u3059\u308b\u65b9\u6cd5<\/div>\n                    
\u66f4\u65b0\u65e5\uff1a2024\u5e745\u67086\u65e5<\/div>\n                    <\/div>\n                <\/div>\n                <\/div>\n            <\/a>\n            <\/p>\n
date\u95a2\u6570\u306b\u3064\u3044\u3066\u3082\u3063\u3068\u8a73\u3057\u304f\u77e5\u308a\u305f\u3044\u65b9\u3078<\/h2>\n
date\u95a2\u6570\u306e\u3055\u307e\u3056\u307e\u306a\u4f7f\u3044\u65b9\u306b\u3064\u3044\u3066\u306f\u3001\u4ee5\u4e0b\u306e\u8a18\u4e8b\u3067\u3082\u307e\u3068\u3081\u3066\u3044\u307e\u3059\u306e\u3067\u3001\u305c\u3072\u53c2\u8003\u306b\u3057\u3066\u304f\u3060\u3055\u3044\u306d\uff01<\/p>\n
\u3053\u3053\u3067\u7d39\u4ecb\u3057\u305f\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3084\u66dc\u65e5\u3092\u53d6\u5f97\u3059\u308b\u4ee5\u5916\u3067\u3082\u3001\u30bf\u30a4\u30e0\u30be\u30fc\u30f3\u306e\u6307\u5b9a\u65b9\u6cd5<\/strong><\/span>\u3084\u65e5\u4ed8\u3092\u6bd4\u8f03\u3059\u308b\u65b9\u6cd5<\/strong><\/span>\u306b\u3064\u3044\u3066\u3082\u89e3\u8aac\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n            \n                
\n                
\n                    
\n                    \n                    <\/div>\n                    
\n                    
\u73fe\u5f79PHP\u30d7\u30ed\u30b0\u30e9\u30de\u304c\u4f1d\u6388!date\u95a2\u6570\u3067\u65e5\u6642\u3092\u81ea\u7531\u306b\u6271\u304a\u3046<\/div>\n                    
\u66f4\u65b0\u65e5\uff1a2024\u5e745\u67086\u65e5<\/div>\n                    <\/div>\n                <\/div>\n                <\/div>\n            <\/a>\n            \n
\u307e\u3068\u3081<\/h2>\n
\u3053\u3053\u3067\u306fdate<\/strong><\/span>\u95a2\u6570\u3084DateTime<\/strong><\/span>\u30af\u30e9\u30b9\u3092\u4f7f\u7528\u3057\u3066\u3001<\/p>\n
\u30fbdate\u95a2\u6570\u3067\u65e5\u4ed8\u3092\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3059\u308b\u65b9\u6cd5
\n\u30fbDateTime\u30af\u30e9\u30b9\u306eformat\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u65e5\u4ed8\u3092\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3059\u308b\u65b9\u6cd5
\n\u30fb\u6307\u5b9a\u3057\u305f\u65e5\u6642\u3067\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3059\u308b\u65b9\u6cd5(strtotime)
\n\u30fb\u65e5\u6642\u3092\u30c1\u30a7\u30c3\u30af\u3059\u308b\u65b9\u6cd5(strptime, checkdate)
\n\u30fb\u66dc\u65e5\u3092\u53d6\u5f97\u3059\u308b\u65b9\u6cd5<\/strong><\/p>\n
\u306a\u3069\u306e\u3055\u307e\u3056\u307e\u306a\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u6307\u5b9a\u306e\u65b9\u6cd5\u3084\u30c1\u30a7\u30c3\u30af\u3001\u66dc\u65e5\u306e\u53d6\u5f97\u65b9\u6cd5\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3057\u305f\u3002
\n
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