{"id":51,"date":"2023-06-21T09:40:59","date_gmt":"2023-06-21T01:40:59","guid":{"rendered":"http:\/\/a.yeliuliu.com\/?p=51"},"modified":"2025-10-21T17:21:37","modified_gmt":"2025-10-21T09:21:37","slug":"php%e6%97%a5%e6%9c%9f","status":"publish","type":"post","link":"https:\/\/www.hyw.life\/?p=51","title":{"rendered":"PHP \u83b7\u53d6\u65e5\u671f"},"content":{"rendered":"\n<span id=\"h2-0\" class=\"heading-anchor\" aria-hidden=\"true\"><\/span><h2 class=\"wp-block-heading has-vivid-cyan-blue-color has-text-color\">\u5f53\u6708\u7b2c\u4e00\u5929<\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>date('Y-m-01');<\/code><\/pre>\n\n\n\n<span id=\"h2-1\" class=\"heading-anchor\" aria-hidden=\"true\"><\/span><h2 class=\"wp-block-heading has-vivid-cyan-blue-color has-text-color\">\u5f53\u6708\u6700\u540e\u4e00\u5929<\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>date('Y-m-t');<\/code><\/pre>\n\n\n\n<span id=\"h2-2\" class=\"heading-anchor\" aria-hidden=\"true\"><\/span><h2 class=\"wp-block-heading has-vivid-cyan-blue-color has-text-color\">\u6307\u5b9a\u6708\u4efd\u7b2c\u4e00\u5929<\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>$date = '2022-05-12' ;\n$firstDay = date('Y-m-01', strtotime($date));<\/code><\/pre>\n\n\n\n<span id=\"h2-3\" class=\"heading-anchor\" aria-hidden=\"true\"><\/span><h2 class=\"wp-block-heading has-vivid-cyan-blue-color has-text-color\">\u6bcf\u6708\u6700\u540e\u4e00\u5929<\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>\/\/\u7b2c\u4e00\u79cd\n$date = '2022-05-12';\n$lastDay = date('Y-m-d', strtotime(date('Y-m-01', strtotime($date)). ' +1 month -1 day')); \n\n\/\/\u7b2c\u4e8c\u79cd \n$firstDay = date('Y-m-01', strtotime($date)); \n$lastDay = date('Y-m-d', strtotime(\"$firstDay +1 month -1 day\")); \n\n\/\/\u7b2c\u4e09\u79cd \n$lastDay = date('Y-m-t'\uff0cstrtotime($date)));<\/code><\/pre>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5f53\u6708\u7b2c\u4e00\u5929 \u5f53\u6708\u6700\u540e\u4e00\u5929 \u6307\u5b9a\u6708\u4efd\u7b2c\u4e00\u5929 \u6bcf\u6708\u6700\u540e\u4e00\u5929<\/p>\n","protected":false},"author":1,"featured_media":489,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"class_list":["post-51","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-hd"],"_links":{"self":[{"href":"https:\/\/www.hyw.life\/index.php?rest_route=\/wp\/v2\/posts\/51","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.hyw.life\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.hyw.life\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.hyw.life\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.hyw.life\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=51"}],"version-history":[{"count":6,"href":"https:\/\/www.hyw.life\/index.php?rest_route=\/wp\/v2\/posts\/51\/revisions"}],"predecessor-version":[{"id":456,"href":"https:\/\/www.hyw.life\/index.php?rest_route=\/wp\/v2\/posts\/51\/revisions\/456"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.hyw.life\/index.php?rest_route=\/wp\/v2\/media\/489"}],"wp:attachment":[{"href":"https:\/\/www.hyw.life\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=51"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.hyw.life\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=51"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.hyw.life\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=51"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}