{"id":30705,"date":"2024-01-03T18:46:31","date_gmt":"2023-07-17T14:14:46","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%9c%a8php%e4%b8%ad%e5%a4%84%e7%90%86%e6%97%b6%e9%97%b4\/"},"modified":"2025-08-12T20:25:48","modified_gmt":"2025-08-12T12:25:48","slug":"%e5%9c%a8php%e4%b8%ad%e5%a4%84%e7%90%86%e6%97%b6%e9%97%b4","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%9c%a8php%e4%b8%ad%e5%a4%84%e7%90%86%e6%97%b6%e9%97%b4\/","title":{"rendered":"\u5728PHP\u4e2d\u5904\u7406\u65f6\u95f4"},"content":{"rendered":"<p>\u4e3a\u4e86\u4e0d\u4f1a\u5fd8\u8bb0\uff0c\u4f7f\u7528PHP\u8fdb\u884c\u65e5\u671f\u548c\u65f6\u95f4\uff0c\u8bb0\u5f97\u505a\u5907\u5fd8\u5f55\u3002<\/p>\n<h2>\u603b\u7ed3<\/h2>\n<p>\u4f7f\u7528PHP\u8fdb\u884c\u65e5\u671f\u64cd\u4f5c\u65f6\uff0c\u6709DateTime\u548cDateTimeImmutable\u4e24\u4e2a\u5bf9\u8c61\u3002<br \/>\n\u5b83\u4eec\u57fa\u672c\u4e0a\u5177\u6709\u76f8\u540c\u7684\u884c\u4e3a\uff0c\u4f46\u5728\u8fdb\u884c\u52a0\u6cd5\/\u51cf\u6cd5\u64cd\u4f5c\u65f6\uff0c\u5b83\u4eec\u7684\u884c\u4e3a\u4e0d\u540c\u3002<\/p>\n<p>DateTime\uff1a\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u305d\u306e\u3082\u306e\u3092\u5909\u66f4\u3059\u308b<\/p>\n<p>DateTimeImmutable\uff1a\u5909\u66f4\u3057\u305f\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u8fd4\u3059<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d088837434c4406be0764\/4-0.png\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2021-02-10 22.51.40.png\" \/><\/div>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u83b7\u53d6\u5f53\u524d\u65e5\u671f<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u65e5\u671f\u7c7b\u578b\u7684\u8fd0\u7b97\uff08\u4e24\u79cd\uff09<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\u4ece\u65e5\u671f\u7c7b\u578b\u4e2d\u83b7\u53d6\u90e8\u5206\u4fe1\u606f\uff08\u5982\u5e74\u4efd\uff09\uff08\u5c06\u5b57\u7b26\u4e32\u8f6c\u6362\u4e3a\u65e5\u671f\uff09<\/ol>\n<h3>1. \u83b7\u53d6\u65e5\u671f\u7c7b\u578b<\/h3>\n<p>\u521b\u5efaDateTime\u5bf9\u8c61\u3002\u5982\u679c\u4e0d\u4f20\u5165\u53c2\u6570\uff0c\u5219\u6839\u636e\u5f53\u524d\u65f6\u95f4\u521b\u5efa\u3002<\/p>\n<pre class=\"post-pre\"><code>\r\n<span class=\"nv\">$date_obj<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">Date<\/span><span class=\"p\">()<\/span>\r\n<span class=\"c1\">\/\/DateTime Object<\/span>\r\n<span class=\"c1\">\/\/(<\/span>\r\n<span class=\"c1\">\/\/    [date] =&gt; 2021-02-03 13:20:16.977190<\/span>\r\n<span class=\"c1\">\/\/    [timezone_type] =&gt; 3<\/span>\r\n<span class=\"c1\">\/\/    [timezone] =&gt; UTC<\/span>\r\n<span class=\"c1\">\/\/)<\/span>\r\n\r\n<span class=\"nv\">$date_obj2<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">DateTime<\/span><span class=\"p\">(<\/span><span class=\"s1\">'2020-01-01'<\/span><span class=\"p\">);<\/span>\r\n<span class=\"p\">(<\/span>\r\n    <span class=\"p\">[<\/span><span class=\"n\">date<\/span><span class=\"p\">]<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"mi\">2020<\/span><span class=\"o\">-<\/span><span class=\"mo\">01<\/span><span class=\"o\">-<\/span><span class=\"mo\">01<\/span> <span class=\"mo\">00<\/span><span class=\"o\">:<\/span><span class=\"mo\">00<\/span><span class=\"o\">:<\/span><span class=\"mf\">00.000000<\/span>\r\n    <span class=\"p\">[<\/span><span class=\"n\">timezone_type<\/span><span class=\"p\">]<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"mi\">3<\/span>\r\n    <span class=\"p\">[<\/span><span class=\"n\">timezone<\/span><span class=\"p\">]<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"no\">UTC<\/span>\r\n<span class=\"p\">)<\/span>\r\n<\/code><\/pre>\n<h3>2-1. \u8fdb\u884c\u65e5\u671f\u8ba1\u7b97\u7684\u6570\u636e\u7c7b\u578b<\/h3>\n<p>\u6ce8\u610f\uff1a\u4fee\u6539\u5bf9\u8c61\u7684\u5185\u5bb9\u5c06\u88ab\u8986\u76d6\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$date_obj<\/span><span class=\"o\">-&gt;<\/span><span class=\"nf\">modify<\/span><span class=\"p\">(<\/span><span class=\"s1\">'+1 years'<\/span><span class=\"p\">);<\/span>  <span class=\"c1\">\/\/ 2022-02-03<\/span>\r\n<span class=\"nv\">$date_obj<\/span><span class=\"o\">-&gt;<\/span><span class=\"nf\">modify<\/span><span class=\"p\">(<\/span><span class=\"s1\">'+1 months'<\/span><span class=\"p\">);<\/span> <span class=\"c1\">\/\/ 2022-03-03<\/span>\r\n<span class=\"nv\">$date_obj<\/span><span class=\"o\">-&gt;<\/span><span class=\"nf\">modify<\/span><span class=\"p\">(<\/span><span class=\"s1\">'+1 days'<\/span><span class=\"p\">);<\/span>   <span class=\"c1\">\/\/ 2022-03-04<\/span>\r\n\r\n<\/code><\/pre>\n<h3>2-2. \u65e5\u671f\u7c7b\u578b\u7684\u8fd0\u7b97<\/h3>\n<p>\u5bf9\u4e8eDateTimeImmutable\u5bf9\u8c61\uff0c\u53ef\u4ee5\u4f7f\u7528DateInterval()\u3001add()\u548csub()\u3002\uff08\u6709\u8fd4\u56de\u503c\uff09<br \/>\n\u5173\u4e8e\u65e5\u671f\u4e4b\u95f4\u7684\u5dee\u5f02\uff0c\u53ef\u4ee5\u4f7f\u7528DateTimeInterface::diff()\uff0c\u4f46\u5728\u6b64\u7701\u7565\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$date_obj<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">DateTimeImmutable<\/span><span class=\"p\">(<\/span><span class=\"s1\">'2020-01-01'<\/span><span class=\"p\">);<\/span>\r\n<span class=\"c1\">\/\/ \u52a0\u7b97\uff0c\u6e1b\u7b97\u3059\u308b\u9593\u9694\u3092\u5b9a\u7fa9<\/span>\r\n<span class=\"c1\">\/\/ P:Period, Y:year, M:month, D:day<\/span>\r\n<span class=\"nv\">$interval1<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">DateInterval<\/span><span class=\"p\">(<\/span><span class=\"s1\">'P1Y'<\/span><span class=\"p\">);<\/span> <span class=\"c1\">\/\/1\u5e74<\/span>\r\n<span class=\"nv\">$interval2<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">DateInterval<\/span><span class=\"p\">(<\/span><span class=\"s1\">'P1M'<\/span><span class=\"p\">);<\/span> <span class=\"c1\">\/\/1\u30f6\u6708<\/span>\r\n<span class=\"nv\">$interval3<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">DateInterval<\/span><span class=\"p\">(<\/span><span class=\"s1\">'P1D'<\/span><span class=\"p\">);<\/span> <span class=\"c1\">\/\/1\u65e5<\/span>\r\n\r\n<span class=\"c1\">\/\/\u52a0\u7b97add()\uff0c\u6e1b\u7b97sub()\u3092\u4f7f\u7528<\/span>\r\n<span class=\"nv\">$next_year<\/span> <span class=\"o\">=<\/span> <span class=\"nv\">$date_obj<\/span><span class=\"o\">-&gt;<\/span><span class=\"nf\">add<\/span><span class=\"p\">(<\/span><span class=\"nv\">$interval1<\/span><span class=\"p\">);<\/span>       <span class=\"c1\">\/\/2021-01-01<\/span>\r\n<span class=\"nv\">$before_month<\/span> <span class=\"o\">=<\/span> <span class=\"nv\">$date_obj<\/span><span class=\"o\">-&gt;<\/span><span class=\"nf\">sub<\/span><span class=\"p\">(<\/span><span class=\"nv\">$interval2<\/span><span class=\"p\">);<\/span> <span class=\"c1\">\/\/2019-12-01<\/span>\r\n\r\n<\/code><\/pre>\n<h3>\u53ea\u83b7\u53d6\u90e8\u5206\u65e5\u671f\uff08\u4f8b\u5982\u5e74\u4efd\uff09\u4ece\u65e5\u671f\u7c7b\u578b\u4e2d\u63d0\u53d6<\/h3>\n<pre class=\"post-pre\"><code><span class=\"nv\">$date_obj<\/span><span class=\"o\">-&gt;<\/span><span class=\"nf\">format<\/span><span class=\"p\">(<\/span><span class=\"s1\">'Y'<\/span><span class=\"p\">)<\/span> <span class=\"c1\">\/\/2022<\/span>\r\n<span class=\"nv\">$date_obj<\/span><span class=\"o\">-&gt;<\/span><span class=\"nf\">format<\/span><span class=\"p\">(<\/span><span class=\"s1\">'M'<\/span><span class=\"p\">)<\/span> <span class=\"c1\">\/\/Mar<\/span>\r\n<span class=\"nv\">$date_obj<\/span><span class=\"o\">-&gt;<\/span><span class=\"nf\">format<\/span><span class=\"p\">(<\/span><span class=\"s1\">'m'<\/span><span class=\"p\">)<\/span> <span class=\"c1\">\/\/03<\/span>\r\n<span class=\"nv\">$date_obj<\/span><span class=\"o\">-&gt;<\/span><span class=\"nf\">format<\/span><span class=\"p\">(<\/span><span class=\"s1\">'d'<\/span><span class=\"p\">)<\/span> <span class=\"c1\">\/\/02<\/span>\r\n<span class=\"nv\">$date_obj<\/span><span class=\"o\">-&gt;<\/span><span class=\"nf\">format<\/span><span class=\"p\">(<\/span><span class=\"s1\">'D'<\/span><span class=\"p\">)<\/span> <span class=\"c1\">\/\/Fri<\/span>\r\n\r\n<\/code><\/pre>\n<h3>\u83b7\u53d6Unix\u65f6\u95f4\u6233<\/h3>\n<p>Unix\u65f6\u95f4\u6233\u8d77\u59cb\u4e8e1970\u5e741\u67081\u65e5\u5348\u591c0\u70b90\u52060\u79d2\uff0c\u8bb0\u5f55\u4e86\u7ecf\u8fc7\u7684\u5f62\u5f0f\u5316\u79d2\u6570\u3002<\/p>\n<pre class=\"post-pre\"><code>\r\n<span class=\"nv\">$date_obj2<\/span><span class=\"o\">-&gt;<\/span><span class=\"nf\">getTimestamp<\/span><span class=\"p\">()<\/span> <span class=\"c1\">\/\/1577887268<\/span>\r\n<\/code><\/pre>\n<h2>\u8bf7\u53c2\u8003<\/h2>\n<p>https:\/\/www.php.net\/manual\/ja\/class.datetime.php<\/p>\n<p>\u8fd9\u662f\u4e00\u4e2a\u5173\u4e8eDateTime\u7c7b\u7684\u9875\u9762\u3002<\/p>\n<p>https:\/\/www.php.net\/manual\/ja\/datetimeimmutable.add.php<\/p>\n<p>\u8fd9\u662f\u6709\u5173\u4e8eDateTimeImmutable\u7c7b\u7684add\u65b9\u6cd5\u7684\u9875\u9762\u3002<\/p>\n<p>https:\/\/www.php.net\/manual\/ja\/class.dateinterval.php<\/p>\n<p>\u8fd9\u662f\u5173\u4e8eDateInterval\u7c7b\u7684\u9875\u9762\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e3a\u4e86\u4e0d\u4f1a\u5fd8\u8bb0\uff0c\u4f7f\u7528PHP\u8fdb\u884c\u65e5\u671f\u548c\u65f6\u95f4\uff0c\u8bb0\u5f97\u505a\u5907\u5fd8\u5f55\u3002 \u603b\u7ed3 \u4f7f\u7528PHP\u8fdb\u884c\u65e5\u671f\u64cd\u4f5c\u65f6\uff0c\u6709DateTime\u548cD [&hellip;]<\/p>\n","protected":false},"author":12,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[227],"class_list":["post-30705","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-227"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u5728PHP\u4e2d\u5904\u7406\u65f6\u95f4 - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"\u5173\u4e8e\u5728PHP\u4e2d\u5904\u7406\u65f6\u95f4\u7684\u6280\u672f\u6587\u7ae0\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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