{"id":25254,"date":"2017-06-15T18:39:25","date_gmt":"2017-06-15T09:39:25","guid":{"rendered":"http:\/\/www.sejuku.net\/blog\/?p=25254"},"modified":"2024-05-06T11:43:16","modified_gmt":"2024-05-06T02:43:16","slug":"%e3%80%90php%e5%85%a5%e9%96%80%e3%80%91date%e9%96%a2%e6%95%b0%e3%81%ae%e4%bd%bf%e3%81%84%e6%96%b9%e7%b7%8f%e3%81%be%e3%81%a8%e3%82%81","status":"publish","type":"post","link":"https:\/\/www.sejuku.net\/blog\/25254","title":{"rendered":"\u73fe\u5f79PHP\u30d7\u30ed\u30b0\u30e9\u30de\u304c\u4f1d\u6388!date\u95a2\u6570\u3067\u65e5\u6642\u3092\u81ea\u7531\u306b\u6271\u304a\u3046"},"content":{"rendered":"

\u69d8\u3005\u306aWeb\u30b5\u30a4\u30c8\u3092\u898b\u3066\u3044\u308b\u3068<\/p>\n

2018\/08\/01
\n2018-08-01
\n2018\u5e7408\u670801\u65e5<\/strong><\/p>\n

\u3068\u3044\u3063\u305f\u69d8\u3005\u306a\u65e5\u4ed8\u306e\u8868\u793a\u65b9\u6cd5\u304c\u308a\u307e\u3059\u304c\u307f\u306a\u3055\u3093\u3053\u308c\u3089\u306e\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3067\u8868\u793a\u3059\u308b\u65b9\u6cd5\u3092\u77e5\u3063\u3066\u3044\u307e\u3059\u304b\uff1f<\/p>\n

PHP\u3067\u306f\u65e5\u4ed8\u3092\u53d6\u5f97\u3057\u305f\u308a\u3001\u53d6\u5f97\u3057\u305f\u65e5\u4ed8\u306e\u66f8\u5f0f\u3092\u8a2d\u5b9a\u3059\u308bdate<\/strong><\/span>\u95a2\u6570\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n

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

\u30fbdate\u95a2\u6570\u3068\u306f
\n\u30fbdate\u95a2\u6570\u306e\u57fa\u672c\u7684\u306a\u4f7f\u3044\u65b9
\n\u30fbstrtotime\u95a2\u6570\u306e\u57fa\u672c\u7684\u306a\u4f7f\u3044\u65b9<\/strong><\/span><\/p>\n

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

\u30fb\u30bf\u30a4\u30e0\u30be\u30fc\u30f3\u306e\u6307\u5b9a\u65b9\u6cd5
\n\u30fb\u65e5\u4ed8\u3092\u6bd4\u8f03\u3059\u308b\u65b9\u6cd5
\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\u306f\u305d\u3093\u306adate\u95a2\u6570\u306e\u3055\u307e\u3056\u307e\u306a\u4f7f\u3044\u65b9\u306b\u3064\u3044\u3066\u3001\u308f\u304b\u308a\u3084\u3059\u304f\u89e3\u8aac\u3057\u307e\u3059\uff01<\/p>\n

date\u95a2\u6570\u3092\u4f7f\u7528\u3059\u308c\u3070\u3001\u3055\u307e\u3056\u306a\u65e5\u4ed8\u64cd\u4f5c\u3084\u65e5\u4ed8\u306e\u6bd4\u8f03\u3092\u884c\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/strong><\/span><\/p>\n

\u3053\u306e\u6a5f\u4f1a\u306b\u305c\u3072\u30de\u30b9\u30bf\u30fc\u3057\u3066\u304a\u304d\u307e\u3057\u3087\u3046\uff01<\/strong><\/p>\n

date\u95a2\u6570\u3068\u306f<\/h2>\n

date<\/strong><\/span>\u95a2\u6570\u306f\u3001\u5f15\u6570\u306b\u6307\u5b9a\u3055\u308c\u305f\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3092\u5143\u306b\u3001\u65e5\u4ed8\u6587\u5b57\u5217\u3092\u8fd4\u3059\u95a2\u6570<\/strong><\/span>\u3067\u3059\u3002<\/p>\n

\u66f8\u5f0f\uff1a<\/strong><\/p>\n

string date ( string $\u30d5\u30a9\u30fc\u30de\u30c3\u30c8 [, int $\u30bf\u30a4\u30e0\u30b9\u30bf\u30f3\u30d7 = time() ] )<\/pre>\n
\u5f15\u6570\uff1a<\/strong>
\n\u30fb\u7b2c\u4e00\u5f15\u6570\u306e\u30d5\u30a9\u30fc\u30de\u30c3\u30c8<\/strong><\/span>\u306b\u306f\u3001\u51fa\u529b\u3055\u308c\u308b\u65e5\u4ed8\u6587\u5b57\u5217\u306e\u66f8\u5f0f\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002
\n\u30fb\u7b2c\u4e8c\u5f15\u6570\u306e\u30bf\u30a4\u30e0\u30b9\u30bf\u30f3\u30d7<\/strong><\/span>\u306b\u306f\u3001int\u578b\u306eUnix\u30bf\u30a4\u30e0\u30b9\u30bf\u30f3\u30d7\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002
\n\uff08\u30bf\u30a4\u30e0\u30b9\u30bf\u30f3\u30d7\u3092\u6307\u5b9a\u3057\u306a\u304b\u3063\u305f\u5834\u5408\u306f\u3001\u73fe\u5728\u306e\u6642\u523b\u304c\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u8a2d\u5b9a\u3055\u308c\u307e\u3059\u3002\uff09<\/p>\n
Unix\u30bf\u30a4\u30e0\u30b9\u30bf\u30f3\u30d7\u3068\u306f\uff1a<\/strong>
\n\u5354\u5b9a\u4e16\u754c\u6642\uff08UTC\uff09<\/strong><\/span>\u30671970\u5e741\u67081\u65e5\uff08\u5348\u524d0\u66420\u52060\u79d2\uff09\u306e\u6642\u523b\u304b\u3089\u306e\u7d4c\u904e\u79d2\u6570\u3092\u8868\u3059\u3082\u306e\u3067\u3059\u3002<\/p>\n
\u65e5\u6642\u3092\u7d4c\u904e\u79d2\u6570\u3067\u8868\u3059\u3053\u3068\u3067\u3001\u65e5\u6642\u540c\u58eb\u3092\u6bd4\u8f03\u3059\u308b\u3068\u304d\u306a\u3069\u306b\u3088\u304f\u4f7f\u308f\u308c\u307e\u3059\u3002<\/strong><\/span><\/p>\n
\u4f8b\u3048\u3070\u3001\u5f8c\u8ff0\u3059\u308bstrtotime<\/strong><\/span>\u95a2\u6570\u3092\u4f7f\u7528\u3059\u308c\u3070\u3001\u6307\u5b9a\u3057\u305f\u65e5\u6642\u304b\u3089\u306e\u7d4c\u904e\u79d2\u6570\u3092\u300c1503308146\u300d<\/strong>\u306e\u3088\u3046\u306a\u79d2\u6570\u306b\u5909\u63db\u3057\u305f\u5024\u3067\u53d6\u5f97\u3067\u304d\u307e\u3059\u3002<\/p>\n
\u8fd4\u308a\u5024\uff1a<\/strong>
\n\u8fd4\u308a\u5024\u306f\u65e5\u4ed8\u3092\u8868\u3059\u6587\u5b57\u5217\u3092\u8fd4\u3057\u307e\u3059\u3002
\n\u30bf\u30a4\u30e0\u30b9\u30bf\u30f3\u30d7\u306b\u6570\u5b57\u4ee5\u5916\u304c\u6e21\u3055\u308c\u305f\u5834\u5408\u306fFALSE\u304c\u8fd4\u3055\u308c\u3001\u30a8\u30e9\u30fc\u3068\u306a\u308a\u307e\u3059\u3002<\/strong><\/span><\/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<\/strong>
\n\n\n\n\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t
\u30d5\u30a9\u30fc\u30de\u30c3\u30c8<\/td>\u8aac\u660e<\/td>\u4f8b<\/td>\n<\/tr>\n
Y<\/td>\u5e74\uff08\u897f\u66a6\u306e4\u6841\uff09<\/td>2017<\/td>\n<\/tr>\n
y<\/td>\u5e74\uff08\u897f\u66a6\u306e2\u6841\uff09<\/td>17<\/td>\n<\/tr>\n
M<\/td>\u6708\uff082\u6841\u306e\u6708\uff09<\/td>08<\/td>\n<\/tr>\n
n<\/td>\u6708\uff081\u6841\u3067\u5148\u982d\u306b0\u3092\u4ed8\u3051\u3044\u306a\u3044\uff09<\/td>8<\/td>\n<\/tr>\n
d<\/td>\u65e5\uff082\u6841\u306e\u65e5\u4ed8\uff09<\/td>21<\/td>\n<\/tr>\n
H<\/td>\u6642\u9593\uff082\u6841\u306e24\u6642\u9593\u5358\u4f4d\uff09<\/td>16<\/td>\n<\/tr>\n
h<\/td>\u6642\u9593\uff082\u6841\u306e12\u6642\u9593\u5358\u4f4d\uff09<\/td>08<\/td>\n<\/tr>\n
i<\/td>\u5206\uff082\u6841\u306e\u5206\uff09<\/td>20<\/td>\n<\/tr>\n
s<\/td>\u79d2\uff082\u6841\u306e\u79d2\uff09<\/td>30<\/td>\n<\/tr>\n
t<\/td>\u6307\u5b9a\u3057\u305f\u6708\u306e\u65e5\u6570\uff0828~31\uff09<\/td>31<\/td>\n<\/tr>\n
w<\/td>\u66dc\u65e5\uff080\uff1a\u65e5 \uff5e 6\uff1a\u571f\uff09<\/td>2(\u706b)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/p>\n
date\u95a2\u6570\u3067\u65e5\u4ed8\u3092\u53d6\u5f97\u3059\u308b<\/h2>\n
\u3053\u3053\u3067\u306f\u3001\u5b9f\u969b\u306bdate<\/strong><\/span>\u95a2\u6570\u306e\u57fa\u672c\u7684\u306a\u4f7f\u3044\u65b9\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n
\u4ee5\u4e0b\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u306fdate\u95a2\u6570\u306b\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u6587\u5b57\u3092\u6307\u5b9a\u3057\u3066\u65e5\u4ed8\u3092\u53d6\u5f97\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n
\/\/ 'Y\/m\/d'\r\n$date1 = date('Y\/m\/d');\r\n\r\n\/\/ 'Y-m-d H:i:s'\r\n$date2 = date('Y-m-d H:i:s');\r\n\r\n\/\/ 'Y\u5e74m\u6708d\u65e5\u3000H\u6642i\u5206s\u79d2'\r\n$date3 = date('Y\u5e74m\u6708d\u65e5\u3000H\u6642i\u5206s\u79d2');\r\n\r\n\/\/ 'Y\/m\/d'\u66dc\u65e5\r\n$w = date('w');\r\n$week = ['\u65e5', '\u6708', '\u706b', '\u6c34', '\u6728', '\u91d1', '\u571f'];\r\n$date4 = date('Y\/m\/d').$week[$w];\r\n\r\n\/\/ \u6642\u523b\u3092\u51fa\u529b\r\necho $date1.'<br>';\r\necho $date2.'<br>';\r\necho $date3.'<br>';\r\necho $date4;<\/pre>\n
\u5b9f\u884c\u7d50\u679c\uff1a<\/p>\n
2017\/08\/21\r\n2017-08-21 09:22:37\r\n2017\u5e7408\u670821\u65e5\u300009\u664222\u520637\u79d2\r\n2017\/08\/21\u6708<\/pre>\n
\u30b5\u30f3\u30d7\u30eb\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u3088\u3046\u306b\u3001PHP\u304c\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u308bYmd\u306a\u3069\u306e\u66f8\u5f0f\u3092\u6307\u5b9a\u3059\u308c\u3070\u3001\u7c21\u5358\u306b\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3055\u308c\u305f\u65e5\u4ed8\u6587\u5b57\u5217\u3092\u53d6\u5f97<\/strong><\/span>\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n
date\u95a2\u6570\u306e\u57fa\u672c\u7684\u306a\u4f7f\u3044\u304b\u305f\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\u306d\uff01
\n            \n                
\n                
\n                    
\n                    \n                    <\/div>\n                    
\n                    
\u3010PHP\u5165\u9580\u3011date\u95a2\u6570\u306e\u57fa\u672c\u7684\u306a\u4f7f\u3044\u65b9<\/div>\n                    
\u66f4\u65b0\u65e5\uff1a2024\u5e745\u67086\u65e5<\/div>\n                    <\/div>\n                <\/div>\n                <\/div>\n            <\/a>\n            <\/p>\n
\u307e\u305f\u3001\u65e5\u4ed8\u3092\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3059\u308b\u65b9\u6cd5\u306b\u3064\u3044\u3066\u306f\u4ee5\u4e0b\u306e\u8a18\u4e8b\u3067\u3082\u8a73\u3057\u304f\u89e3\u8aac\u3057\u3066\u3044\u307e\u3059\uff01
\n            \n                
\n                
\n                    
\n                    \n                    <\/div>\n                    
\n                    
\u3010PHP\u5165\u9580\u3011\u65e5\u4ed8\u306e\u30d5\u30a9\u30fc\u30de\u30c3\u30c8(format) | date\u30fbDateTime\u306a\u3069<\/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\u65e5\u4ed8\u304b\u3089\u30bf\u30a4\u30e0\u30b9\u30bf\u30f3\u30d7\u3092\u53d6\u5f97\u3059\u308b<\/h2>\n
\u6307\u5b9a\u3057\u305f\u82f1\u6587\u5f62\u5f0f\u306e\u65e5\u4ed8\u3092Unix\u30bf\u30a4\u30e0\u30b9\u30bf\u30f3\u30d7\u306b\u5909\u63db\u3059\u308b\u306b\u306f\u3001strtotime<\/strong><\/span>\u95a2\u6570\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<\/p>\n
\u66f8\u5f0f\uff1a<\/strong><\/p>\n
int strtotime ( string $\u65e5\u4ed8\/\u65e5\u6642\u6587\u5b57\u5217 [, int $now = time() ] )<\/pre>\n
\u5f15\u6570\uff1a<\/strong>
\n\u30fb\u7b2c\u4e00\u5f15\u6570\u306b\u306fUnix\u30bf\u30a4\u30e0\u30b9\u30bf\u30f3\u30d7<\/strong><\/span>\u3092\u53d6\u5f97\u3059\u308b\u305f\u3081\u306e\u65e5\u6642\u3092\u6587\u5b57\u5217\u3067\u6307\u5b9a\u3057\u307e\u3059\u3002
\n\u30fb\u7b2c\u4e8c\u5f15\u6570\u306b\u306f\u8fd4\u3055\u308c\u308b\u5024\u3092\u8a08\u7b97\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3059\u308b\u30bf\u30a4\u30e0\u30b9\u30bf\u30f3\u30d7\u3092\u6307\u5b9a<\/strong><\/span>\u3067\u304d\u307e\u3059\u3002<\/p>\n
\u8fd4\u308a\u5024\uff1a<\/strong>
\n\u30fbint\u578b\u3067\u6642\u523b\u3092\u5909\u63db\u3057\u305fUnix\u30bf\u30a4\u30e0\u30b9\u30bf\u30f3\u30d7\u3092\u8fd4\u3057\u307e\u3059\u3002<\/p>\n
\u4ee5\u4e0b\u306bstrtotime\u95a2\u6570\u306e\u7c21\u5358\u306a\u30b5\u30f3\u30d7\u30eb\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n
$time1 = strtotime('now'); \/\/\u73fe\u5728\u306e\u30bf\u30a4\u30e0\u30b9\u30bf\u30f3\u30d7\r\n$time2 = date(\"Y-m-d H:i:s\", strtotime('-10 day')); \/\/10\u65e5\u524d\u306e\u65e5\u4ed8\r\n$time3 = date(\"Y-m-d H:i:s\", strtotime('+1 week')); \/\/\u4e00\u9031\u9593\u5f8c\u306e\u65e5\u4ed8\r\n$time4 = date(\"Y-m-d H:i:s\", strtotime(\"next Thursday\")); \/\/\u6b21\u306e\u6728\u66dc\u65e5\r\n\r\necho $time1.'<br>';\r\necho $time2.'<br>';\r\necho $time3.'<br>';\r\necho $time4;<\/pre>\n
\u5b9f\u884c\u7d50\u679c\uff1a<\/p>\n
1503308146\r\n2017-08-11 09:35:46\r\n2017-08-28 09:35:46\r\n2017-08-24 00:00:00<\/pre>\n
strtotime\u95a2\u6570\u306f\u30b5\u30f3\u30d7\u30eb\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u3088\u3046\u306b-10 day<\/strong>\u306710\u65e5\u524d\u3092\u6307\u5b9a\u3057\u305f\u308a\u3001next Thursday<\/strong>\u3067\u6b21\u306e\u6728\u66dc\u65e5\u3092\u6307\u5b9a\u3059\u308b\u306a\u3093\u3066\u3053\u3068\u3082\u53ef\u80fd\u3067\u3059\u3002<\/p>\n
strtotime\u95a2\u6570\u306e\u57fa\u672c\u7684\u306a\u4f7f\u3044\u304b\u305f\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\u306d\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
\u30bf\u30a4\u30e0\u30be\u30fc\u30f3\u306e\u6307\u5b9a<\/h2>\n
\u30bf\u30a4\u30e0\u30be\u30fc\u30f3<\/strong><\/span>\u3068\u306f\u3001\u540c\u3058\u6a19\u6e96\u6642\u523b\u3092\u4f7f\u7528\u3059\u308b\u5730\u57df\u3084\u533a\u5206\u306e\u3053\u3068\u3092\u6307\u3057\u307e\u3059\u3002<\/p>\n
\u30bf\u30a4\u30e0\u30be\u30fc\u30f3\u306f\u5730\u57df\u3054\u3068\u306b\u7570\u306a\u308a\u307e\u3059\u3002<\/p>\n
\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306b\u63a5\u7d9a\u3055\u308c\u3066\u3044\u308b\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30fc\u304c\u305e\u308c\u305e\u308c\u3001\u7570\u306a\u308b\u30bf\u30a4\u30e0\u30be\u30fc\u30f3\u3092\u6307\u5b9a\u3057\u3066\u3044\u308b\u3068\u3001\u30b7\u30b9\u30c6\u30e0\u3067\u6642\u523b\u3092\u7ba1\u7406\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u30b7\u30b9\u30c6\u30e0\u3084\u901a\u4fe1\u306b\u5927\u304d\u306a\u5f71\u97ff\u3092\u53ca\u307c\u3057\u3066\u3057\u307e\u3044\u307e\u3059\u3002<\/strong><\/span><\/p>\n
\u305d\u306e\u305f\u3081\u3001\u30b7\u30b9\u30c6\u30e0\u3067\u7ba1\u7406\u3057\u3066\u3044\u308b\u6642\u523b\u306b\u95a2\u3057\u3066\u306f\u3001\u30bf\u30a4\u30e0\u30be\u30fc\u30f3\u3092\u5408\u308f\u305b\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/strong><\/span><\/p>\n
\u30bf\u30a4\u30e0\u30be\u30fc\u30f3\u306fPHP\u306e\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\u3067\u3042\u308bphp.ini<\/strong><\/span>\u3067\u6307\u5b9a\u3067\u304d\u308b\u307b\u304b\u3001date_default_timezone_set<\/strong><\/span>\u95a2\u6570\u3067\u6307\u5b9a\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n
date_default_timezone_set\u3067\u30bf\u30a4\u30e0\u30be\u30fc\u30f3\u3092\u6307\u5b9a<\/strong><\/p>\n
\/\/ \u65e5\u672c\r\ndate_default_timezone_set('Asia\/Tokyo');\r\necho date(\"Y\/m\/d G:i:s\").'<br>';\r\n\r\n\/\/ \u30a2\u30e1\u30ea\u30ab\r\ndate_default_timezone_set('America\/Adak');\r\necho date(\"Y\/m\/d G:i:s\");<\/pre>\n
\u30bf\u30a4\u30e0\u30be\u30fc\u30f3\u306e\u8a2d\u5b9a\u65b9\u6cd5\u306b\u3064\u3044\u3066\u306f\u3001\u4ee5\u4e0b\u306e\u8a18\u4e8b\u3067\u3082\u8a73\u3057\u304f\u89e3\u8aac\u3057\u3066\u3044\u307e\u3059\uff01
\n            \n                
\n                
\n                    
\n                    \n                    <\/div>\n                    
\n                    
\u3010PHP\u5165\u9580\u3011timezone\u306e\u8a2d\u5b9a\u65b9\u6cd5\u3092\u308f\u304b\u308a\u3084\u3059\u304f\u89e3\u8aac\uff01<\/div>\n                    
\u66f4\u65b0\u65e5\uff1a2024\u5e745\u67086\u65e5<\/div>\n                    <\/div>\n                <\/div>\n                <\/div>\n            <\/a>\n            <\/p>\n
\u65e5\u4ed8\u540c\u58eb\u3092\u6bd4\u8f03\u3059\u308b<\/h2>\n
\u30d7\u30ed\u30b0\u30e9\u30e0\u306b\u304a\u3044\u3066\u3001\u7279\u5b9a\u306e\u65e5\u4ed8\u306b\u306a\u3063\u305f\u3089\u51e6\u7406\u3092\u884c\u3063\u305f\u308a\u3001\u65e5\u4ed8\u9806\u306b\u30c7\u30fc\u30bf\u3092\u4e26\u3079\u66ff\u3048\u305f\u308a\u3059\u308b\u3068\u304d\u306b\u306f\u3001\u65e5\u4ed8\u3092\u6bd4\u8f03\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/strong><\/span><\/p>\n
\u65e5\u4ed8\u306e\u6bd4\u8f03\u306fstrtotime\u95a2\u6570\u3092\u4f7f\u7528\u3057\u3066\u3001Unix\u30bf\u30a4\u30e0\u30b9\u30bf\u30f3\u30d7\u306b\u5909\u63db\u3057\u3066\u6bd4\u8f03\u3092\u884c\u3046\u65b9\u6cd5\u3084\u3001DateTime<\/strong><\/span>\u95a2\u6570\u3092\u4f7f\u7528\u3059\u308b\u65b9\u6cd5\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n
\u4ee5\u4e0b\u306b\u65e5\u4ed8\u3092\u6bd4\u8f03\u3059\u308b\u7c21\u5358\u306a\u30b5\u30f3\u30d7\u30eb\u3092\u8a18\u8ff0\u3057\u307e\u3059\u3002<\/p>\n
$date1 = new DateTime('2017-08-20');\r\n$date2 = new DateTime('2017-08-15');\r\n\r\nif ($date1 == $date2){\r\n  echo \"\u540c\u3058\u65e5\u4ed8\u3067\u3059\";\r\n} else if ($date1 > $date2){\r\n  echo \"date1\u304c\u672a\u6765\u3067\u3059\";\r\n} else {\r\n  echo \"date2\u304c\u672a\u6765\u3067\u3059\";\r\n}<\/pre>\n
\u5b9f\u884c\u7d50\u679c\uff1a<\/p>\n
date1\u304c\u672a\u6765\u3067\u3059<\/pre>\n
\u305d\u3093\u306a\u65e5\u4ed8\u3092\u6bd4\u8f03\u3059\u308b\u51e6\u7406\u306e\u8a73\u7d30\u306b\u3064\u3044\u3066\u306f\u3001\u4ee5\u4e0b\u306e\u8a18\u4e8b\u3067\u3082\u8a73\u3057\u304f\u89e3\u8aac\u3057\u3066\u3044\u307e\u3059\uff01
\n            \n                
\n                
\n                    
\n                    \n                    <\/div>\n                    
\n                    
\u3010PHP\u5165\u9580\u3011\u65e5\u4ed8\u3092\u53d6\u5f97\u30fb\u6bd4\u8f03\u3059\u308b\u65b9\u6cd5\u3068\u6ce8\u610f\u70b9\u307e\u3068\u3081<\/div>\n                    
\u66f4\u65b0\u65e5\uff1a2024\u5e745\u67086\u65e5<\/div>\n                    <\/div>\n                <\/div>\n                <\/div>\n            <\/a>\n            <\/p>\n
\u66dc\u65e5\u3092\u53d6\u5f97\u3059\u308b<\/h2>\n
\u66dc\u65e5\u3092\u53d6\u5f97\u3059\u308b\u306b\u306f\u3001date\u95a2\u6570\u306e\u5f15\u6570\u306b\u2019w\u2019<\/strong><\/span>\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002<\/p>\n
date(\u2018w\u2019);<\/pre>\n
\u2019w\u2019\u3092\u6307\u5b9a\u3059\u308b\u3068\u3001\u66dc\u65e5\u306f\u4ee5\u4e0b\u306e\u5bfe\u5fdc\u3057\u305f\u66dc\u65e5\u306e\u756a\u53f7\u304c\u8fd4\u3055\u308c\u307e\u3059\u3002<\/strong><\/span><\/p>\n
\u65e5:0  \u6708:1  \u706b:2  \u6c34:3  \u6728:4  \u91d1:5  \u571f:6<\/pre>\n
\u4ee5\u4e0b\u306b\u66dc\u65e5\u3092\u53d6\u5f97\u3059\u308b\u7c21\u5358\u306a\u30b5\u30f3\u30d7\u30eb\u3092\u8a18\u8ff0\u3057\u307e\u3059\u3002<\/p>\n
\/\/\u914d\u5217\u3092\u4f7f\u7528\u3057\u3001\u8981\u7d20\u9806\u306b(\u65e5:0\u301c\u571f:6)\u3092\u8a2d\u5b9a\u3059\u308b\r\n$week = [\r\n  '\u65e5', \/\/0\r\n  '\u6708', \/\/1\r\n  '\u706b', \/\/2\r\n  '\u6c34', \/\/3\r\n  '\u6728', \/\/4\r\n  '\u91d1', \/\/5\r\n  '\u571f', \/\/6\r\n];\r\n\r\n$date = date('w');\r\n\r\n\/\/\u66dc\u65e5\u3092\u51fa\u529b\r\necho $week[$date] . '\u66dc\u65e5';<\/pre>\n
\u5b9f\u884c\u7d50\u679c\uff1a<\/p>\n
\u6708\u66dc\u65e5<\/pre>\n
date\u95a2\u6570\u3067\u66dc\u65e5\u3092\u53d6\u5f97\u3059\u308b\u65b9\u6cd5\u3084\u3001\u6570\u5024\u3067\u53d6\u5f97\u3057\u305f\u66dc\u65e5\u3092\u6708\u301c\u65e5\u306e\u3088\u3046\u306b\u65e5\u672c\u8a9e\u3067\u53d6\u5f97\u3059\u308b\u65b9\u6cd5\u306a\u3069\u306b\u3064\u3044\u3066\u306e\u8a73\u7d30\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
\u307e\u3068\u3081<\/h2>\n
\u3053\u3053\u3067\u306f\u3001
\n
\n\u30fbdate\u95a2\u6570\u3067\u6307\u5b9a\u3057\u305f\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u304b\u3089\u65e5\u4ed8\u3092\u53d6\u5f97\u3059\u308b\u65b9\u6cd5
\n\u30fbstrtotime\u95a2\u6570\u3092\u4f7f\u7528\u3057\u3066\u6307\u5b9a\u3057\u305f\u65e5\u4ed8\u304b\u3089\u30bf\u30a4\u30e0\u30b9\u30bf\u30f3\u30d7\u3092\u53d6\u5f97\u3059\u308b\u65b9\u6cd5
\n\u30fb\u30bf\u30a4\u30e0\u30be\u30fc\u30f3\u3092\u6307\u5b9a\u3059\u308b\u65b9\u6cd5
\n\u30fb\u65e5\u4ed8\u540c\u58eb\u3092\u6bd4\u8f03\u3059\u308b\u65b9\u6cd5
\n\u30fb\u65e5\u4ed8\u304b\u3089\u66dc\u65e5\u3092\u53d6\u5f97\u3059\u308b\u65b9\u6cd5<\/strong><\/p>\n
\u306a\u3069\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3057\u305f\u3002<\/p>\n
PHP\u3067\u306f\u65e5\u4ed8\u3092\u51e6\u7406\u3059\u308b\u3055\u307e\u3056\u307e\u306a\u6a5f\u80fd\u304c\u7528\u610f\u3055\u308c\u3066\u3044\u307e\u3059\u306e\u3067\u3001\u305c\u3072\u899a\u3048\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002<\/strong><\/span><\/p>\n
\u3082\u3057\u3001date\u95a2\u6570\u306e\u4f7f\u3044\u65b9\u3092\u5fd8\u308c\u3066\u3057\u307e\u3063\u305f\u3089\u3001\u3053\u306e\u8a18\u4e8b\u3092\u601d\u3044\u51fa\u3057\u3066\u304f\u3060\u3055\u3044\u306d\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u69d8\u3005\u306aWeb\u30b5\u30a4\u30c8\u3092\u898b\u3066\u3044\u308b\u3068 2018\/08\/01 2018-08-01 2018\u5e7408\u670801\u65e5 \u3068\u3044\u3063\u305f\u69d8\u3005\u306a\u65e5\u4ed8\u306e\u8868\u793a\u65b9\u6cd5\u304c\u308a\u307e\u3059\u304c\u307f\u306a\u3055\u3093\u3053\u308c\u3089\u306e\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3067\u8868\u793a\u3059\u308b\u65b9\u6cd5\u3092\u77e5\u3063\u3066\u3044\u307e\u3059\u304b\uff1f PHP\u3067\u306f\u65e5\u4ed8\u3092\u53d6\u5f97 […]<\/p>\n","protected":false},"author":16433,"featured_media":64982,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"swell_btn_cv_data":"","footnotes":""},"categories":[2348],"tags":[38],"class_list":["post-25254","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-php-study","tag-php"],"acf":[],"yoast_head":"\n\u73fe\u5f79PHP\u30d7\u30ed\u30b0\u30e9\u30de\u304c\u4f1d\u6388!date\u95a2\u6570\u3067\u65e5\u6642\u3092\u81ea\u7531\u306b\u6271\u304a\u3046 | \u4f8d\u30a8\u30f3\u30b8\u30cb\u30a2\u30d6\u30ed\u30b0<\/title>\n<meta name=\"description\" content=\"\u3053\u306e\u8a18\u4e8b\u3067\u306f\u300c \u73fe\u5f79PHP\u30d7\u30ed\u30b0\u30e9\u30de\u304c\u4f1d\u6388!date\u95a2\u6570\u3067\u65e5\u6642\u3092\u81ea\u7531\u306b\u6271\u304a\u3046 \u300d\u306b\u3064\u3044\u3066\u3001\u8ab0\u3067\u3082\u7406\u89e3\u3067\u304d\u308b\u3088\u3046\u306b\u89e3\u8aac\u3057\u307e\u3059\u3002\u3053\u306e\u8a18\u4e8b\u3092\u8aad\u3081\u3070\u3001\u3042\u306a\u305f\u306e\u60a9\u307f\u304c\u89e3\u6c7a\u3059\u308b\u3060\u3051\u3058\u3083\u306a\u304f\u3001\u65b0\u305f\u306a\u6c17\u4ed8\u304d\u3082\u767a\u898b\u3067\u304d\u308b\u3053\u3068\u3067\u3057\u3087\u3046\u3002\u304a\u60a9\u307f\u306e\u65b9\u306f\u305c\u3072\u3054\u4e00\u8aad\u304f\u3060\u3055\u3044\u3002\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.sejuku.net\/blog\/25254\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u73fe\u5f79PHP\u30d7\u30ed\u30b0\u30e9\u30de\u304c\u4f1d\u6388!date\u95a2\u6570\u3067\u65e5\u6642\u3092\u81ea\u7531\u306b\u6271\u304a\u3046 | 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