{"id":1029,"date":"2019-09-07T17:08:46","date_gmt":"2019-09-07T09:08:46","guid":{"rendered":"https:\/\/wyxxt.org.cn\/?p=1029"},"modified":"2023-12-04T15:51:59","modified_gmt":"2023-12-04T07:51:59","slug":"php%e5%9f%ba%e7%a1%80-%e6%9f%a5%e6%89%be","status":"publish","type":"post","link":"https:\/\/wyxxt.org.cn\/?p=1029","title":{"rendered":"PHP\u57fa\u7840\u2014\u2014\u67e5\u627e"},"content":{"rendered":"<ul>\n<li>\u5728\u5927\u578b\u6570\u7ec4\u4e2d\u5feb\u901f\u5b9a\u4f4d\u60f3\u8981\u7684\u5143\u7d20<\/li>\n<\/ul>\n<h3>\u987a\u5e8f\u67e5\u627e<\/h3>\n<pre><code class=\"language-php line-numbers\">$arr = [1,3,6,8,23,68,100];\n\/\/ \u987a\u5e8f\u67e5\u627e\uff1a\u4ece\u6570\u7ec4\u7b2c\u4e00\u4e2a\u5143\u7d20\u5f00\u59cb\uff0c\u6328\u4e2a\u5339\u914d\nfunction check_order($arr, $num) {\n    \/\/\u5168\u90e8\u5339\u914d\n    for($i = 0,$len = count($arr); $i &lt; $len; $i++) {\n        \/\/\u5224\u65ad\n        if($arr[$i] == $num) {\n            return $i;\n        }\n    }\n    return false;\n}\n<\/code><\/pre>\n<h3>\u4e8c\u5206\u67e5\u627e<\/h3>\n<p>\u8981\u6c42\u7ebf\u6027\u8868\u4e2d\u7684\u8282\u70b9\u6309\u5173\u952e\u5b57\u503c\u5347\u5e8f\u6216\u964d\u5e8f\u6392\u5e8f<br \/>\n\u6298\u534a<\/p>\n<pre><code class=\"language-php line-numbers\">$arr = [1,3,6,8,23,68,100];\n$res = 3;\n\nfunction check_break($arr, $res) {\n    \/\/1\u3001 \u5f97\u5230\u6570\u7ec4\u7684\u8fb9\u754c\n    $right = count($arr);\n    $left = 0;\n\n    \/\/2\u3001\u5faa\u73af\u5339\u914d\n    while($left &lt;= $right) {\n        \/\/3\u3001\u5f97\u5230\u4e2d\u95f4\u4f4d\u7f6e\n        $middle = floor(($right + $left) \/ 2);\n        \/\/4\u3001\u5339\u914d\u6570\u636e\n        if($arr[$middle] == $res) {\n            return $middle + 1;\n        }\n        \/\/5\u3001\u6ca1\u6709\u627e\u5230\n        if($arr[$middle] &lt; $res) {\n            \/\/\u503c\u5728\u53f3\u8fb9\n            $left = $middle + 1;\n        }else{\n            $right = $middle - 1;\n        }\n    }\n    return false;\n}\n\n\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u5728\u5927\u578b\u6570\u7ec4\u4e2d\u5feb\u901f\u5b9a\u4f4d\u60f3\u8981\u7684\u5143\u7d20 \u987a\u5e8f\u67e5\u627e $arr = [1,3,6,8,23,68,100]; \/\/ \u987a\u5e8f\u67e5 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[15],"tags":[405],"class_list":["post-1029","post","type-post","status-publish","format-standard","hentry","category-15","tag-php"],"_links":{"self":[{"href":"https:\/\/wyxxt.org.cn\/index.php?rest_route=\/wp\/v2\/posts\/1029","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wyxxt.org.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/wyxxt.org.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/wyxxt.org.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/wyxxt.org.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1029"}],"version-history":[{"count":2,"href":"https:\/\/wyxxt.org.cn\/index.php?rest_route=\/wp\/v2\/posts\/1029\/revisions"}],"predecessor-version":[{"id":1091,"href":"https:\/\/wyxxt.org.cn\/index.php?rest_route=\/wp\/v2\/posts\/1029\/revisions\/1091"}],"wp:attachment":[{"href":"https:\/\/wyxxt.org.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1029"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wyxxt.org.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1029"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wyxxt.org.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1029"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}