php - PHP: 取得する関数の負荷を軽減 content from external resource</h1> <div id="body"><p>I created a function that checks if the <code><title></code> tag of an external page contains specific words (between the others of the titl</a></h1> </div> <div class="d-flex fw-wrap pb8 mb16 bb bc-black-075" style="font-size:14px;margin-top:10px;"> <div class="flex--item ws-nowrap mr16 mb8" title="2022-04-17 15:46:40Z" > <span class="fc-light mr2">翻译自：<a href="https://stackoverflow.com/questions/20809416" style="margin-right:20px;text-decoration:underline;" rel="nofollow">https://stackoverflow.com/questions/20809416</a></span> <time itemprop="dateCreated" datetime="2013-12-27T23:50:32.940">2013-12-27T23:50:32.940</time> </div> <div class="flex--item ws-nowrap mb8" title="Viewed 6 times"> <span class="fc-light mr2"></span> 269 次 </div> </div> <div id="mainbar" role="main" aria-label="question and answers"> <div class="question" data-questionid="4" data-position-on-page="0" data-score="763" id="question"> <div class="post-layout"> <div class="votecell post-layout--left"> <div class="js-voting-container d-flex jc-center fd-column ai-stretch gs4 fc-black-200" data-post-id="4"> <button class="js-vote-up-btn flex--item s-btn s-btn__unset c-pointer " data-controller="s-tooltip" data-s-tooltip-placement="right" aria-pressed="false" aria-label="Up vote" data-selected-classes="fc-theme-primary" data-unselected-classes="" aria-describedby="--stacks-s-tooltip-peeufs8c"> <svg aria-hidden="true" class="svg-icon iconArrowUpLg" width="36" height="36" viewBox="0 0 36 36"><path d="M2 25h32L18 9 2 25Z"></path></svg> </button> <div id="--stacks-s-tooltip-peeufs8c" class="s-popover s-popover__tooltip pe-none" aria-hidden="true" role="tooltip">This question shows research effort; it is useful and clear<div class="s-popover--arrow"></div></div> <div class="js-vote-count flex--item d-flex fd-column ai-center fc-black-500 fs-title" itemprop="upvoteCount" data-value=""> 0 </div> <button class="js-vote-down-btn flex--item s-btn s-btn__unset c-pointer " data-controller="s-tooltip" data-s-tooltip-placement="right" aria-pressed="false" aria-label="Down vote" data-selected-classes="fc-theme-primary" data-unselected-classes="" aria-describedby="--stacks-s-tooltip-04106eqn"> <svg aria-hidden="true" class="svg-icon iconArrowDownLg" width="36" height="36" viewBox="0 0 36 36"><path d="M2 11h32L18 27 2 11Z"></path></svg> </button><div id="--stacks-s-tooltip-04106eqn" class="s-popover s-popover__tooltip pe-none" aria-hidden="true" role="tooltip">This question does not show any research effort; it is unclear or not useful<div class="s-popover--arrow"></div></div> <div id="--stacks-s-tooltip-tgvwendx" class="s-popover s-popover__tooltip pe-none" aria-hidden="true" role="tooltip">Bookmark this question.<div class="s-popover--arrow"></div></div> <a class="js-post-issue flex--item s-btn s-btn__unset c-pointer py6 mx-auto" data-shortcut="T" data-ks-title="timeline" data-controller="s-tooltip" data-s-tooltip-placement="right" aria-label="Timeline" aria-describedby="--stacks-s-tooltip-abwmy15k"><svg aria-hidden="true" class="mln2 mr0 svg-icon iconHistory" width="19" height="18" viewBox="0 0 19 18"><path d="M3 9a8 8 0 1 1 3.73 6.77L8.2 14.3A6 6 0 1 0 5 9l3.01-.01-4 4-4-4h3L3 9Zm7-4h1.01L11 9.36l3.22 2.1-.6.93L10 10V5Z"></path></svg></a><div id="--stacks-s-tooltip-abwmy15k" class="s-popover s-popover__tooltip pe-none" aria-hidden="true" role="tooltip">Show activity on this post.<div class="s-popover--arrow"></div></div> </div> </div> <div class="postcell post-layout--right"> <div class="s-prose js-post-body" itemprop="text"> </div> <div class="mt24 mb12"> <div class="post-taglist d-flex gs4 gsy fd-column"> <div class="d-flex ps-relative fw-wrap"> <a href="/tags/php" class="post-tag js-gps-track" title="show questions tagged 'php'" rel="tag">php</a><a href="/tags/optimization" class="post-tag js-gps-track" title="show questions tagged 'optimization'" rel="tag">optimization</a><a href="/tags/curl" class="post-tag js-gps-track" title="show questions tagged 'curl'" rel="tag">curl</a><a href="/tags/memory-consumption" class="post-tag js-gps-track" title="show questions tagged 'memory-consumption'" rel="tag">memory-consumption</a><a href="/tags/server-load" class="post-tag js-gps-track" title="show questions tagged 'server-load'" rel="tag">server-load</a> </div> </div> </div> </div> <span class="d-none" itemprop="commentCount">4</span> </div> </div> <div class="js-zone-container zone-container-responsive"> <div id="dfp-isb" class="everyonelovesstackoverflow everyoneloves__inline-sidebar mx-auto" style="min-height: auto; height: auto; display: none;"></div> <div class="js-report-ad-button-container mx-auto" style="width: 300px"></div> </div> <div id="answers"> <a name="tab-top"></a> <div id="answers-header"> <div class="answers-subheader d-flex ai-center mb8"> <div class="flex--item fl1"> <h2 class="mb0" data-answercount=""> 3 に答える <span style="display:none;" itemprop="answerCount">3</span> </h2> </div> </div> </div> <a name="7"></a> <div id="answer-7" class="answer js-answer accepted-answer" data-answerid="7" data-parentid="4" data-score="506" data-position-on-page="1" data-highest-scored="1" data-question-has-accepted-highest-score="1" itemprop="suggestedAnswer" itemscope="" itemtype="https://schema.org/Answer"> <div class="post-layout"> <div class="votecell post-layout--left"> <div class="js-voting-container d-flex jc-center fd-column ai-stretch gs4 fc-black-200" data-post-id="7"> <button class="js-vote-up-btn flex--item s-btn s-btn__unset c-pointer " data-controller="s-tooltip" data-s-tooltip-placement="right" aria-pressed="false" aria-label="Up vote" data-selected-classes="fc-theme-primary" data-unselected-classes="" aria-describedby="--stacks-s-tooltip-dgvag2l3"> <svg aria-hidden="true" class="svg-icon iconArrowUpLg" width="36" height="36" viewBox="0 0 36 36"><path d="M2 25h32L18 9 2 25Z"></path></svg> </button><div id="--stacks-s-tooltip-dgvag2l3" class="s-popover s-popover__tooltip pe-none" aria-hidden="true" role="tooltip">This answer is useful<div class="s-popover--arrow"></div></div> <div class="js-vote-count flex--item d-flex fd-column ai-center fc-black-500 fs-title" itemprop="upvoteCount" data-value="0"> 0 </div> <button class="js-vote-down-btn flex--item s-btn s-btn__unset c-pointer " data-controller="s-tooltip" data-s-tooltip-placement="right" aria-pressed="false" aria-label="Down vote" data-selected-classes="fc-theme-primary" data-unselected-classes="" aria-describedby="--stacks-s-tooltip-gn8ppsfv"> <svg aria-hidden="true" class="svg-icon iconArrowDownLg" width="36" height="36" viewBox="0 0 36 36"><path d="M2 11h32L18 27 2 11Z"></path></svg> </button> </div> </div> <div class="answercell post-layout--right"> <div class="s-prose js-post-body" itemprop="text"> <p>それが役立つかどうかはわかりません...しかし、この他の質問（あなたのものに関連しているようです）には多くの答えがあるようです...ここにリンクがあります</p> <p><a href="https://stackoverflow.com/questions/4348912/get-title-of-website-via-link">リンクからウェブサイトのタイトルを取得する</a></p> </div> <div class="mt24"> <div class="user-action-time" style="color:#999;text-align:right;">于 2013-12-27T23:54:29.800 に答える</div> </div> </div> </div> </div><a name="7"></a> <div id="answer-7" class="answer js-answer accepted-answer" data-answerid="7" data-parentid="4" data-score="506" data-position-on-page="1" data-highest-scored="1" data-question-has-accepted-highest-score="1" itemprop="suggestedAnswer" itemscope="" itemtype="https://schema.org/Answer"> <div class="post-layout"> <div class="votecell post-layout--left"> <div class="js-voting-container d-flex jc-center fd-column ai-stretch gs4 fc-black-200" data-post-id="7"> <button class="js-vote-up-btn flex--item s-btn s-btn__unset c-pointer " data-controller="s-tooltip" data-s-tooltip-placement="right" aria-pressed="false" aria-label="Up vote" data-selected-classes="fc-theme-primary" data-unselected-classes="" aria-describedby="--stacks-s-tooltip-dgvag2l3"> <svg aria-hidden="true" class="svg-icon iconArrowUpLg" width="36" height="36" viewBox="0 0 36 36"><path d="M2 25h32L18 9 2 25Z"></path></svg> </button><div id="--stacks-s-tooltip-dgvag2l3" class="s-popover s-popover__tooltip pe-none" aria-hidden="true" role="tooltip">This answer is useful<div class="s-popover--arrow"></div></div> <div class="js-vote-count flex--item d-flex fd-column ai-center fc-black-500 fs-title" itemprop="upvoteCount" data-value="0"> 0 </div> <button class="js-vote-down-btn flex--item s-btn s-btn__unset c-pointer " data-controller="s-tooltip" data-s-tooltip-placement="right" aria-pressed="false" aria-label="Down vote" data-selected-classes="fc-theme-primary" data-unselected-classes="" aria-describedby="--stacks-s-tooltip-gn8ppsfv"> <svg aria-hidden="true" class="svg-icon iconArrowDownLg" width="36" height="36" viewBox="0 0 36 36"><path d="M2 11h32L18 27 2 11Z"></path></svg> </button> </div> </div> <div class="answercell post-layout--right"> <div class="s-prose js-post-body" itemprop="text"> <p>ページ全体をロードする必要があると思います。タイトルタグの位置と長さがわからないため、最初の 1000 文字などを読み取ることができません。同時にロードしようとしているページの数はわかりませんが、画像や css ファイルなどのメディア データ全体をロードするわけではないため、解析された HTML コードが大きくなりすぎないようにしてください。</p> </div> <div class="mt24"> <div class="user-action-time" style="color:#999;text-align:right;">于 2013-12-27T23:55:16.750 に答える</div> </div> </div> </div> </div></div> </div> <div id="sidebar" class="show-votes" role="complementary" aria-label="sidebar"> <div class="module sidebar-related"> <h4 id="h-related">Related</h4> <div class="related js-gps-related-questions" data-tracker="rq=1"> <div class="spacer"> <a href="/questions/16172796" title="Question score (upvotes - downvotes)"> <div class="answer-votes large">1</div> </a> <a href="/questions/16172796" class="question-hyperlink">c# - Entity Framework が実行しているクエリが多すぎます</a> </div><div class="spacer"> <a href="/questions/16172800" title="Question score (upvotes - downvotes)"> <div class="answer-votes large">1</div> </a> <a href="/questions/16172800" class="question-hyperlink">java - javaとjspを使用してブラウザページに長方形を描く方法は?</a> </div><div class="spacer"> <a href="/questions/16172805" title="Question score (upvotes - downvotes)"> <div class="answer-votes large">4</div> </a> <a href="/questions/16172805" class="question-hyperlink">ruby-on-rails - has_and_belongs_to_many テーブルのレコードを削除する - Rails</a> </div><div class="spacer"> <a href="/questions/16172806" title="Question score (upvotes - downvotes)"> <div class="answer-votes large">2</div> </a> <a href="/questions/16172806" class="question-hyperlink">php - 特定の画面解像度でのみphpファイルを含める</a> </div><div class="spacer"> <a href="/questions/16172807" title="Question score (upvotes - downvotes)"> <div class="answer-votes large">1</div> </a> <a href="/questions/16172807" class="question-hyperlink">jquery - カスタム サーバー コントロールへの Web メソッドの追加</a> </div><div class="spacer"> <a href="/questions/16172809" title="Question score (upvotes - downvotes)"> <div class="answer-votes large">1</div> </a> <a href="/questions/16172809" class="question-hyperlink">box2d - box2d の奇妙なメソッド applyForceToCenter</a> </div><div class="spacer"> <a href="/questions/16172810" title="Question score (upvotes - downvotes)"> <div class="answer-votes large">1</div> </a> <a href="/questions/16172810" class="question-hyperlink">python - 子クラス属性の別の名前</a> </div><div class="spacer"> <a href="/questions/16172811" title="Question score (upvotes - downvotes)"> <div class="answer-votes large">2</div> </a> <a href="/questions/16172811" class="question-hyperlink">node.js - この node.js パスの問題を修正するにはどうすればよいですか?</a> </div><div class="spacer"> <a href="/questions/16172812" title="Question score (upvotes - downvotes)"> <div class="answer-votes large">0</div> </a> <a href="/questions/16172812" class="question-hyperlink">javascript - 動的 div のレスポンシブ画像</a> </div><div class="spacer"> <a href="/questions/16172820" title="Question score (upvotes - downvotes)"> <div class="answer-votes large">1</div> </a> <a href="/questions/16172820" class="question-hyperlink">jquery - -27000px の位置を生成する jQuery UI ツールチップ</a> </div> </div> </div> <div class="module js-gps-related-tags" id="related-tags"> <h4 id="h-related-tags">Reference</h4> <div data-name="javascript"> <a href="https://php.github.net.cn" class="post-tag no-tag-menu js-gps-track" >php</a> <span class="item-multiplier"><span class="item-multiplier-x">×</span> <span class="item-multiplier-count">1429865</span> </span> </div> <div data-name="javascript"> <a href="https://c-cpp.com" class="post-tag no-tag-menu js-gps-track" >c/c++</a> <span class="item-multiplier"><span class="item-multiplier-x">×</span> <span class="item-multiplier-count">756500</span> </span> </div> <div data-name="javascript"> <a href="https://nginx.github.net.cn" class="post-tag no-tag-menu js-gps-track" target="_blank">nginx</a> <span class="item-multiplier"><span class="item-multiplier-x">×</span> <span class="item-multiplier-count">49975</span> </span> </div> <div data-name="javascript"> <a href="https://mongodb.net.cn" class="post-tag no-tag-menu js-gps-track" >mongodb</a> <span class="item-multiplier"><span class="item-multiplier-x">×</span> <span class="item-multiplier-count">159057</span> </span> </div> <div data-name="javascript"> <a href="https://mybatis.net.cn" class="post-tag no-tag-menu js-gps-track" >mybatis</a> <span class="item-multiplier"><span class="item-multiplier-x">×</span> <span class="item-multiplier-count">3233</span> </span> </div> <div data-name="javascript"> <a href="https://anaconda.org.cn" class="post-tag no-tag-menu js-gps-track" >anaconda</a> <span class="item-multiplier"><span class="item-multiplier-x">×</span> <span class="item-multiplier-count">13410</span> </span> </div> <div data-name="javascript"> <a href="https://pycharm.net.cn" class="post-tag no-tag-menu js-gps-track" >pycharm</a> <span class="item-multiplier"><span class="item-multiplier-x">×</span> <span class="item-multiplier-count">14671</span> </span> </div> <div data-name="javascript"> <a href="https://python.github.net.cn" class="post-tag no-tag-menu js-gps-track" >python</a> <span class="item-multiplier"><span class="item-multiplier-x">×</span> <span class="item-multiplier-count">1902243</span> </span> </div> <div data-name="javascript"> <a href="https://vscode.github.net.cn" class="post-tag no-tag-menu js-gps-track" >vscode</a> <span class="item-multiplier"><span class="item-multiplier-x">×</span> <span class="item-multiplier-count">56040</span> </span> </div> <div data-name="javascript"> <a href="https://dockerdocs.cn" class="post-tag no-tag-menu js-gps-track" >docker</a> <span class="item-multiplier"><span class="item-multiplier-x">×</span> <span class="item-multiplier-count">110988</span> </span> </div> <div data-name="javascript"> <a href="https://github.net.cn" class="post-tag no-tag-menu js-gps-track" >github</a> <span class="item-multiplier"><span class="item-multiplier-x">×</span> <span class="item-multiplier-count">49000</span> </span> </div> <div data-name="javascript"> <a href="https://flask.github.net.cn" class="post-tag no-tag-menu js-gps-track" >flask</a> <span class="item-multiplier"><span class="item-multiplier-x">×</span> <span class="item-multiplier-count">49129</span> </span> </div> <div data-name="javascript"> <a href="https://ffmpeg.github.net.cn" class="post-tag no-tag-menu js-gps-track" >ffmpeg</a> <span class="item-multiplier"><span class="item-multiplier-x">×</span> <span class="item-multiplier-count">24037</span> </span> </div> <div data-name="javascript"> <a href="https://jmeter.net" class="post-tag no-tag-menu js-gps-track" >jmeter</a> <span class="item-multiplier"><span class="item-multiplier-x">×</span> <span class="item-multiplier-count">16910</span> </span> </div> <div data-name="javascript"> <a href="https://matplotlib.net" class="post-tag no-tag-menu js-gps-track" >matplotlib</a> <span class="item-multiplier"><span class="item-multiplier-x">×</span> <span class="item-multiplier-count">63493</span> </span> </div> <div data-name="javascript"> <a href="https://getbootstrap.net" class="post-tag no-tag-menu js-gps-track" >bootstrap</a> <span class="item-multiplier"><span class="item-multiplier-x">×</span> <span class="item-multiplier-count">54641</span> </span> </div> </div> </div> </div> </div> </div> </div> <footer id="footer" class="site-footer js-footer" role="contentinfo"> <div class="site-footer--container"> <div class="site-footer--logo"> <a href="https://stackoverflow.com"><svg aria-hidden="true" class="native svg-icon iconLogoGlyphMd" width="32" height="37" viewBox="0 0 32 37"><path d="M26 33v-9h4v13H0V24h4v9h22Z" fill="#BCBBBB"/><path d="m21.5 0-2.7 2 9.9 13.3 2.7-2L21.5 0ZM26 18.4 13.3 7.8l2.1-2.5 12.7 10.6-2.1 2.5ZM9.1 15.2l15 7 1.4-3-15-7-1.4 3Zm14 10.79.68-2.95-16.1-3.35L7 23l16.1 2.99ZM23 30H7v-3h16v3Z" fill="#F48024"/></svg></a> </div> <nav class="site-footer--nav"> <div class="site-footer--col"> <h5 class="-title"><a href="https://stackoverflow.jp" class="js-gps-track" data-gps-track="footer.click({ location: 3, link: 15})">Stack Overflow 日本語サイト</a></h5> <p>CC BY-SA知識共有ライセンス契約に従う。</p> </div> </nav> </div> </footer> <script> var _hmt = _hmt || []; (function() { var hm = document.createElement("script"); hm.src = "https://hm.baidu.com/hm.js?709ff2ad9744e86b5b0eee677fc13ede"; var s = document.getElementsByTagName("script")[0]; s.parentNode.insertBefore(hm, s); })(); </script> <!-- Google tag (gtag.js) --> <script async src="https://www.googletagmanager.com/gtag/js?id=G-1MW5BV8G8E"></script> <script> window.dataLayer = window.dataLayer || []; function gtag(){dataLayer.push(arguments);} gtag('js', new Date()); gtag('config', 'G-1MW5BV8G8E'); </script> <script async src="https://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js?client=ca-pub-6117966252207595" crossorigin="anonymous"></script> </body> </html>