{"id":3034,"date":"2025-03-19T22:22:40","date_gmt":"2025-03-19T14:22:40","guid":{"rendered":"https:\/\/www.laixuexila.com\/?p=3034"},"modified":"2025-03-19T22:22:40","modified_gmt":"2025-03-19T14:22:40","slug":"php-date-%e5%87%bd%e6%95%b0","status":"publish","type":"post","link":"https:\/\/www.laixuexila.com\/index.php\/2025\/03\/19\/php-date-%e5%87%bd%e6%95%b0\/","title":{"rendered":"PHP date() \u51fd\u6570"},"content":{"rendered":"\n<p>PHP \u7684 <code>date()<\/code> \u51fd\u6570\u7528\u4e8e\u683c\u5f0f\u5316\u65e5\u671f\u548c\u65f6\u95f4\u3002\u5b83\u6839\u636e\u6307\u5b9a\u7684\u683c\u5f0f\u8fd4\u56de\u5f53\u524d\u7684\u65e5\u671f\u548c\u65f6\u95f4\uff0c\u6216\u8005\u8fd4\u56de\u7ed9\u5b9a\u65f6\u95f4\u6233\u5bf9\u5e94\u7684\u65e5\u671f\u548c\u65f6\u95f4\u3002<code>date()<\/code> \u51fd\u6570\u5e38\u7528\u4e8e\u7f51\u9875\u4e2d\u663e\u793a\u65e5\u671f\u3001\u65f6\u95f4\u3001\u6216\u751f\u6210\u57fa\u4e8e\u5f53\u524d\u65f6\u95f4\u7684\u52a8\u6001\u5185\u5bb9\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>1\ufe0f\u20e3 <code>date()<\/code> \u51fd\u6570\u8bed\u6cd5<\/strong><\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>string date(string $format, int $timestamp = time())<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong><code>$format<\/code><\/strong>\uff1a\u5fc5\u9700\uff0c\u6307\u5b9a\u8fd4\u56de\u7684\u65e5\u671f\/\u65f6\u95f4\u7684\u683c\u5f0f\u3002\u53ef\u4ee5\u4f7f\u7528 PHP \u63d0\u4f9b\u7684\u5404\u79cd\u5b57\u7b26\u6765\u6307\u5b9a\u683c\u5f0f\u3002<\/li>\n\n\n\n<li><strong><code>$timestamp<\/code><\/strong>\uff1a\u53ef\u9009\uff0c\u6307\u5b9a\u65f6\u95f4\u6233\u3002\u9ed8\u8ba4\u503c\u4e3a <code>time()<\/code>\uff0c\u5373\u5f53\u524d\u65f6\u95f4\u3002\u5982\u679c\u4f20\u5165\u7684\u662f\u5176\u4ed6\u65f6\u95f4\u6233\uff0c\u5219\u4f1a\u6839\u636e\u8be5\u65f6\u95f4\u6233\u683c\u5f0f\u5316\u65e5\u671f\u3002<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>2\ufe0f\u20e3 \u683c\u5f0f\u5316\u5b57\u7b26<\/strong><\/h2>\n\n\n\n<p>PHP <code>date()<\/code> \u51fd\u6570\u5141\u8bb8\u4f60\u901a\u8fc7\u4e0d\u540c\u7684\u5b57\u7b26\u683c\u5f0f\u5316\u65e5\u671f\u548c\u65f6\u95f4\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u7684\u683c\u5f0f\u5b57\u7b26\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong><code>Y<\/code><\/strong>\uff1a\u56db\u4f4d\u5e74\u4efd\uff08\u4f8b\u5982\uff1a2025\uff09<\/li>\n\n\n\n<li><strong><code>m<\/code><\/strong>\uff1a\u4e24\u4f4d\u6570\u5b57\u6708\u4efd\uff0801 \u5230 12\uff09<\/li>\n\n\n\n<li><strong><code>d<\/code><\/strong>\uff1a\u4e24\u4f4d\u6570\u5b57\u65e5\u671f\uff0801 \u5230 31\uff09<\/li>\n\n\n\n<li><strong><code>H<\/code><\/strong>\uff1a24\u5c0f\u65f6\u5236\u7684\u5c0f\u65f6\uff0800 \u5230 23\uff09<\/li>\n\n\n\n<li><strong><code>i<\/code><\/strong>\uff1a\u5206\u949f\uff0800 \u5230 59\uff09<\/li>\n\n\n\n<li><strong><code>s<\/code><\/strong>\uff1a\u79d2\u949f\uff0800 \u5230 59\uff09<\/li>\n\n\n\n<li><strong><code>a<\/code><\/strong>\uff1a\u5c0f\u5199\u7684 am \u6216 pm<\/li>\n\n\n\n<li><strong><code>A<\/code><\/strong>\uff1a\u5927\u5199\u7684 AM \u6216 PM<\/li>\n\n\n\n<li><strong><code>l<\/code><\/strong>\uff1a\u661f\u671f\u51e0\u7684\u5b8c\u6574\u540d\u79f0\uff08\u4f8b\u5982\uff1aSunday\uff09<\/li>\n\n\n\n<li><strong><code>D<\/code><\/strong>\uff1a\u661f\u671f\u51e0\u7684\u7b80\u5199\uff08\u4f8b\u5982\uff1aMon\uff09<\/li>\n\n\n\n<li><strong><code>F<\/code><\/strong>\uff1a\u6708\u4efd\u7684\u5b8c\u6574\u540d\u79f0\uff08\u4f8b\u5982\uff1aJanuary\uff09<\/li>\n\n\n\n<li><strong><code>M<\/code><\/strong>\uff1a\u6708\u4efd\u7684\u7b80\u5199\uff08\u4f8b\u5982\uff1aJan\uff09<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>3\ufe0f\u20e3 \u5e38\u89c1\u7528\u6cd5\u793a\u4f8b<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>3.1 \u83b7\u53d6\u5f53\u524d\u65e5\u671f<\/strong><\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>\/\/ \u83b7\u53d6\u5f53\u524d\u65e5\u671f\necho date(\"Y-m-d\");  \/\/ \u8f93\u51fa\u7c7b\u4f3c\uff1a2025-03-19<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>3.2 \u83b7\u53d6\u5f53\u524d\u65f6\u95f4<\/strong><\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>\/\/ \u83b7\u53d6\u5f53\u524d\u65f6\u95f4\necho date(\"H:i:s\");  \/\/ \u8f93\u51fa\u7c7b\u4f3c\uff1a14:30:45<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>3.3 \u83b7\u53d6\u5b8c\u6574\u7684\u65e5\u671f\u548c\u65f6\u95f4<\/strong><\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>\/\/ \u83b7\u53d6\u5b8c\u6574\u7684\u65e5\u671f\u548c\u65f6\u95f4\necho date(\"l, F j, Y h:i:s A\");  \/\/ \u8f93\u51fa\u7c7b\u4f3c\uff1aWednesday, March 19, 2025 02:30:45 PM<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>3.4 \u4f7f\u7528\u65f6\u95f4\u6233\u683c\u5f0f\u5316\u65e5\u671f<\/strong><\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>\/\/ \u8bbe\u7f6e\u65f6\u95f4\u6233\n$timestamp = strtotime(\"2025-03-19 14:30:00\");\n\n\/\/ \u4f7f\u7528\u7ed9\u5b9a\u65f6\u95f4\u6233\u683c\u5f0f\u5316\u65e5\u671f\necho date(\"Y-m-d H:i:s\", $timestamp);  \/\/ \u8f93\u51fa\uff1a2025-03-19 14:30:00<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>3.5 \u663e\u793a\u661f\u671f\u51e0<\/strong><\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>\/\/ \u83b7\u53d6\u661f\u671f\u51e0\necho date(\"l\");  \/\/ \u8f93\u51fa\u7c7b\u4f3c\uff1aWednesday<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>4\ufe0f\u20e3 \u793a\u4f8b\uff1a\u8ba1\u7b97\u67d0\u4e2a\u65e5\u671f\u7684\u672a\u6765\u65e5\u671f<\/strong><\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>\/\/ \u5f53\u524d\u65e5\u671f\necho date(\"Y-m-d\") . \"&lt;br&gt;\";\n\n\/\/ 5\u5929\u540e\u7684\u65e5\u671f\necho date(\"Y-m-d\", strtotime(\"+5 days\"));<\/code><\/pre>\n\n\n\n<p><strong>\u8f93\u51fa\uff1a<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>2025-03-19\n2025-03-24<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>5\ufe0f\u20e3 \u65f6\u95f4\u6233\u4e0e <code>date()<\/code> \u51fd\u6570<\/strong><\/h2>\n\n\n\n<p><code>date()<\/code> \u51fd\u6570\u7684\u7b2c\u4e8c\u4e2a\u53c2\u6570\u662f\u53ef\u9009\u7684\uff0c\u5b83\u5141\u8bb8\u4f60\u4f20\u9012\u4e00\u4e2a\u65f6\u95f4\u6233\uff08\u4f8b\u5982\uff0c<code>strtotime()<\/code> \u8fd4\u56de\u7684\u7ed3\u679c\uff09\u3002\u8fd9\u4f7f\u5f97\u4f60\u53ef\u4ee5\u683c\u5f0f\u5316\u4efb\u4f55\u65e5\u671f\uff0c\u800c\u4e0d\u4ec5\u4ec5\u662f\u5f53\u524d\u65e5\u671f\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u793a\u4f8b\uff1a\u4f7f\u7528 <code>strtotime()<\/code> \u83b7\u53d6\u672a\u6765\u6216\u8fc7\u53bb\u7684\u65e5\u671f<\/strong><\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>\/\/ \u83b7\u53d6\u6628\u5929\u7684\u65e5\u671f\necho date(\"Y-m-d\", strtotime(\"-1 day\"));  \/\/ \u8f93\u51fa\uff1a2025-03-18<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u793a\u4f8b\uff1a\u83b7\u53d6\u4e0b\u4e00\u5468\u7684\u65e5\u671f<\/strong><\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>\/\/ \u83b7\u53d6\u4e0b\u5468\u7684\u4eca\u5929\necho date(\"Y-m-d\", strtotime(\"+1 week\"));  \/\/ \u8f93\u51fa\uff1a2025-03-26<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>6\ufe0f\u20e3 \u4f7f\u7528 <code>date()<\/code> \u83b7\u53d6\u7279\u5b9a\u65f6\u533a\u7684\u65f6\u95f4<\/strong><\/h2>\n\n\n\n<p>\u5982\u679c\u4f60\u60f3\u83b7\u53d6\u67d0\u4e2a\u7279\u5b9a\u65f6\u533a\u7684\u65e5\u671f\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>date_default_timezone_set()<\/code> \u51fd\u6570\u6765\u8bbe\u7f6e\u65f6\u533a\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\/\/ \u8bbe\u7f6e\u65f6\u533a\u4e3a UTC\ndate_default_timezone_set(\"UTC\");\n\n\/\/ \u83b7\u53d6\u5f53\u524d UTC \u65f6\u95f4\necho date(\"Y-m-d H:i:s\");  \/\/ \u8f93\u51fa UTC \u65f6\u95f4<\/code><\/pre>\n\n\n\n<p>\u5e38\u89c1\u65f6\u533a\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>&#8220;America\/New_York&#8221;<\/strong>\uff1a\u7f8e\u56fd\u4e1c\u90e8\u65f6\u95f4<\/li>\n\n\n\n<li><strong>&#8220;Europe\/London&#8221;<\/strong>\uff1a\u4f26\u6566\u65f6\u95f4<\/li>\n\n\n\n<li><strong>&#8220;Asia\/Shanghai&#8221;<\/strong>\uff1a\u4e0a\u6d77\u65f6\u95f4<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>7\ufe0f\u20e3 \u5c0f\u7ed3<\/strong><\/h2>\n\n\n\n<p><code>date()<\/code> \u51fd\u6570\u662f PHP \u4e2d\u7528\u4e8e\u683c\u5f0f\u5316\u548c\u83b7\u53d6\u65e5\u671f\u3001\u65f6\u95f4\u7684\u4e00\u4e2a\u975e\u5e38\u5f3a\u5927\u7684\u5de5\u5177\u3002\u5b83\u53ef\u4ee5\u8ba9\u4f60\u8f7b\u677e\u5730\u663e\u793a\u5f53\u524d\u65f6\u95f4\u3001\u683c\u5f0f\u5316\u6307\u5b9a\u65f6\u95f4\u6233\u4ee5\u53ca\u8ba1\u7b97\u672a\u6765\u6216\u8fc7\u53bb\u7684\u65e5\u671f\u3002\u5728\u5904\u7406\u52a8\u6001\u7f51\u9875\u65f6\uff0c<code>date()<\/code> \u51fd\u6570\u4e5f\u975e\u5e38\u5e38\u7528\uff0c\u5c24\u5176\u662f\u5728\u8bb0\u5f55\u65f6\u95f4\u6233\u3001\u521b\u5efa\u65e5\u5fd7\u3001\u6216\u8005\u4e3a\u7528\u6237\u663e\u793a\u65f6\u95f4\u7b49\u573a\u666f\u4e2d\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>8\ufe0f\u20e3 \u76f8\u5173\u94fe\u63a5<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/www.php.net\/manual\/zh\/function.date.php\">PHP <code>date()<\/code> \u5b98\u65b9\u6587\u6863<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.php.net\/manual\/zh\/function.strtotime.php\">PHP <code>strtotime()<\/code> \u5b98\u65b9\u6587\u6863<\/a><\/li>\n<\/ul>\n\n\n\n<p>\u66f4\u591a\u8be6\u7ec6\u5185\u5bb9\u8bf7\u5173\u6ce8\u5176\u4ed6\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>PHP \u7684 date() \u51fd\u6570\u7528\u4e8e\u683c\u5f0f\u5316\u65e5\u671f\u548c\u65f6\u95f4\u3002\u5b83\u6839\u636e\u6307\u5b9a\u7684\u683c\u5f0f\u8fd4\u56de\u5f53\u524d\u7684\u65e5\u671f\u548c\u65f6\u95f4\uff0c\u6216\u8005\u8fd4\u56de\u7ed9\u5b9a\u65f6\u95f4\u6233\u5bf9 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":3035,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[80],"tags":[],"class_list":["post-3034","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-php"],"_links":{"self":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/3034","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/comments?post=3034"}],"version-history":[{"count":1,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/3034\/revisions"}],"predecessor-version":[{"id":3036,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/3034\/revisions\/3036"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/media\/3035"}],"wp:attachment":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/media?parent=3034"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/categories?post=3034"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/tags?post=3034"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}