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https://blog.simply.com/wp-content/uploads/2020/05/cropped-simplyblog-1024x239.jpg 1024w, https://blog.simply.com/wp-content/uploads/2020/05/cropped-simplyblog-150x35.jpg 150w" decoding="async" fetchpriority="high" /> </a> </div> </header> <div id="content" class="site-content"> <div id="primary" class="content-area"> <main id="main" class="site-main"> <article id="post-6183" class="post-6183 post type-post status-publish format-standard hentry category-artikler category-general tag-linux tag-php tag-php-8 tag-webhotel tag-wordpress"> <header class="entry-header"> <h1 class="entry-title">Alt du skal vide om PHP 8</h1> </header> <div class="entry-content"> <figure class="wp-block-image size-full"><img decoding="async" width="786" height="378" src="https://blog.simply.com/wp-content/uploads/2022/12/alt-du-skal-vide-om-php-8-1.png" alt="" class="wp-image-6252" srcset="https://blog.simply.com/wp-content/uploads/2022/12/alt-du-skal-vide-om-php-8-1.png 786w, https://blog.simply.com/wp-content/uploads/2022/12/alt-du-skal-vide-om-php-8-1-300x144.png 300w, https://blog.simply.com/wp-content/uploads/2022/12/alt-du-skal-vide-om-php-8-1-150x72.png 150w" sizes="(max-width: 709px) 85vw, (max-width: 909px) 67vw, (max-width: 984px) 61vw, (max-width: 1362px) 45vw, 600px" /></figure> <p>Du har m氓ske opdaget, at flere hosting-virksomheder, som tilbyder webhoteller, er begyndt at annoncere med, at du kan bruge PHP 8 hos dem. <br />Men er PHP 8 noget du skal forholde dig til, og hvad kan det have af betydning for din hjemmeside?<br /><br /><mark style="background-color:rgba(0, 0, 0, 0)" class="has-inline-color has-dark-gray-color">Der kan v忙re flere gode grunde til at opdatere sin WordPress eller Joomla-side til at benytte PHP 8.0. </mark>Det bidrager bl.a. til at 酶ge hastigheden p氓 din hjemmeside. I dette blogindl忙g dykker vi ned i, hvad den nye PHP opdatering ellers vil have af betydning for din hjemmeside.</p> <span id="more-6183"></span> <ul class="wp-block-list"> <li><a href="#hvad-er-php">Hvad er PHP?</a></li> <li><a href="#hvad-er-forskellen-p氓-php7-og-php8">Hvad er forskellen p氓 PHP 7 og PHP 8?</a> <ul class="wp-block-list"> <li><a href="#Bliver-min-hjemmeside-hurtigere,-hvis-jeg-opdatere-til-PHP-8">Bliver min hjemmeside hurtigere, hvis jeg opdaterer til PHP 8?</a></li> </ul> </li> <li><a href="#Er-det-n酶dvendigt-jeg-opdatere-til-PHP-8">Er det n酶dvendigt jeg opdaterer til PHP 8?</a></li> <li><a href="#Hvordan opdatere jeg manuelt WordPress til PHP 8?">Hvordan opdaterer jeg manuelt WordPress til PHP 8?</a></li> <li><a href="#PHP-8-FAQ">PHP 8 FAQ</a></li> </ul> <h2 class="wp-block-heading" id="hvad-er-php">Hvad er PHP?</h2> <p>PHP er et open source-programmeringssprog, som best氓r af “server-side scripting”, som er meget udbredt til webudvikling. PHP er et vigtigt sprog for WordPress-f忙llesskabet, fordi en stor del af WordPress-kernesoftwaren er skrevet i det. <br /><br /><a href="https://w3techs.com/technologies/details/pl-php">I f酶lge W3 Techs</a> bliver PHP benyttet af 77.5% af alle verdens hjemmesider. Selvom du ikke er programm酶r, s氓 bruger du alligevel h酶jst sandsynligt PHP, hvis du har din egen hjemmeside. Hvis din hjemmeside er lavet i WordPress eller Joomla, s氓 er det to systemer som benytter sig af PHP.</p> <h2 class="wp-block-heading" id="hvad-er-forskellen-p氓-php7-og-php8">Hvad er forskellen p氓 PHP 7 og PHP 8?</h2> <p>Forskellen p氓 PHP 7 og PHP 8 er med f酶rste 酶jekast ikke specielt stor. Slet ikke hvis man ikke er programm酶r, og er bekendt med de mange funktioner som er blevet tilf酶jet.</p> <p>Selve PHP’s funktion og opgave er den samme i PHP 8.0, som den har v忙ret i de tidligere PHP versioner. D茅r hvor du som almindelig bruger prim忙rt kan m忙rke en forskel, vil v忙re hastigheden p氓 din side. Den nye PHP version 8 kommer bl.a. med en del optimeringer af m氓den din side h氓ndterer requests p氓.</p> <div class="wp-block-group has-white-color has-text-color has-background" style="background-color:#0a1d2e"><div class="wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained"> <h3 class="wp-block-heading">FAKTA – Hvad betyder request?</h3> <p>N氓r du bes酶ger en hjemmeside, udf酶rer din pc eller mobil en request til hjemmesidens webserver. En request er kommunikationen mellem din browser og en webserver, der giver brugeren den efterspurgte side og dens indhold. <br /><br />N氓r en webserver modtager en anmodning fra en <mark style="background-color:rgba(0, 0, 0, 0)" class="has-inline-color has-white-color">klient</mark> (f.eks. en PC eller mobil), vil den hente det 酶nskede materiale og vise det p氓 brugerens sk忙rm. Hver gang der laves en request fra klienten, gennemf酶rer serveren hver enkelt anmodning, hvilket resulterer i, at den efterspurgte side, billeder eller interaktive funktioner indl忙ses.</p> </div></div> <h3 class="wp-block-heading" id="Bliver-min-hjemmeside-hurtigere,-hvis-jeg-opdatere-til-PHP-8">Bliver min hjemmeside hurtigere, hvis jeg opdaterer til PHP 8?</h3> <p>Indl忙sningstiden af en WordPress hjemmeside er en af de ting som PHP 8.0 m忙rkbart forbedrer og optimerer. M忙ngden af requests som PHP 8 kan h氓ndtere er h酶jere, end i de tidligere versioner. Desto hurtigere din side kan h氓ndtere en request, jo hurtigere vil dine bes酶gende kunne indl忙se din side.<br /><br />P氓 en ny WordPress installation med PHP 7.4, kan siden h氓ndtere 110.24 req/sec. Til sammenligning kan PHP 8.1 h氓ndtere 163.43 req/sec. Det vil alts氓 sige, at PHP 8.1 er ca. 50% hurtigere. </p> <h2 class="wp-block-heading" id="Er-det-n酶dvendigt-jeg-opdatere-til-PHP-8">Er det n酶dvendigt jeg opdaterer til PHP 8?</h2> <p>Hos Simply.com anbefaler vi, at du benytter den PHP version, som vores teknikere har aktiveret som standard p氓 webserveren. Vores teknikere vurderer l酶bende hvilken PHP version, der er mest stabil med diverse CMS systemer som WordPress.</p> <blockquote class="wp-block-quote is-layout-flow wp-block-quote-is-layout-flow"> <p>Simply.com har <em>ingen</em> planer om at fjerne eller stoppe med at tilbyde PHP 7.4, ligesom vi stadig tilbyder diverse andre PHP 7-versioner (og endda PHP 5.6).</p> <cite><a href="https://blog.simply.com/2022/php74-eol/">Simply.com artikel “Om PHP 7.4 end-of-life”</a></cite></blockquote> <p>Hvis du vil bruge en 忙ldre version af PHP, kan du godt manuelt tilpasse PHP versionen p氓 dit webhotel. Du kan p氓 vores <a href="https://www.simply.com/dk/support/faq/7/1/">support side, l忙se vores guide til 忙ndring af PHP version.</a></p> <h2 class="wp-block-heading" id="Hvordan-opdatere-jeg-manuelt-WordPress-til-PHP-8">Hvordan opdaterer jeg manuelt WordPress til PHP 8?</h2> <p>Ligesom alt andet elektronik og IT, som du bruger til dagligt, s氓 skal PHP ogs氓 opdateres. Ved at opdatere PHP versionen 酶ger du sikkerheden for hjemmesiden. samt f氓r adgang til de nyeste funktioner. </p> <div class="schema-how-to wp-block-yoast-how-to-block"><p class="schema-how-to-description"></p> <ol class="schema-how-to-steps"><li class="schema-how-to-step" id="how-to-step-1669710968755"><strong class="schema-how-to-step-name">Login i dit Simply.com kontrolpanel</strong> <p class="schema-how-to-step-text"></p> </li><li class="schema-how-to-step" id="how-to-step-1669710991361"><strong class="schema-how-to-step-name">脜ben File Manageren</strong> <p class="schema-how-to-step-text"></p> </li><li class="schema-how-to-step" id="how-to-step-1669711000575"><strong class="schema-how-to-step-name">脜ben hjemmesidens mappe</strong> <p class="schema-how-to-step-text">Har du blot et webhotel, skal du 氓bne mappen <strong>public_html</strong>.<br />Er det et <strong>dom忙nealias</strong> du vil 忙ndre PHP version p氓, skal du 氓bne mappen for dit dom忙nealias.</p> </li><li class="schema-how-to-step" id="how-to-step-1669711038177"><strong class="schema-how-to-step-name">脜ben .htaccess filen</strong> <p class="schema-how-to-step-text"></p> </li><li class="schema-how-to-step" id="how-to-step-1669711047226"><strong class="schema-how-to-step-name">Inds忙t PHP 8 i .htaccess</strong> <p class="schema-how-to-step-text">Hvis du 酶nsker at dit webhotel altid benytter PHP 8<br /><code>AddType application/x-httpd-php80 .php</code><br /><br />Hvis du 酶nsker at dit webhotel altid benytter den nyeste PHP version<br /><code>AddType application/x-httpd-php-latest .php</code><br /></p> </li><li class="schema-how-to-step" id="how-to-step-1669711120888"><strong class="schema-how-to-step-name">Gem 忙ndringen</strong> <p class="schema-how-to-step-text"></p> </li><li class="schema-how-to-step" id="how-to-step-1669711135276"><strong class="schema-how-to-step-name">S氓dan! Din WordPress side k酶rer nu PHP 8.0</strong> <p class="schema-how-to-step-text"></p> </li></ol></div> <h2 class="wp-block-heading" id="PHP-8-FAQ">FAQ – PHP 8 </h2> <div class="schema-faq wp-block-yoast-faq-block"><div class="schema-faq-section" id="faq-question-1671440819709"><strong class="schema-faq-question">Hvad er PHP?</strong> <p class="schema-faq-answer">PHP er et popul忙rt open source-programmeringssprog, som g酶r det muligt for udviklere at oprette dynamiske hjemmesider og webapplikationer. PHP bliver brugt til at udvikle nogle af verdens mest popul忙re hjemmesidesystemer – bl.a. WordPress og Joomla.</p> </div> <div class="schema-faq-section" id="faq-question-1671440843599"><strong class="schema-faq-question">B酶r jeg opgradere til PHP 8?</strong> <p class="schema-faq-answer">Der findes ikke 茅t endegyldigt svar p氓, om du skal opgradere til PHP 8.0. Langt de fleste vil opleve, at deres hjemmeside bliver m忙rkbart hurtigere af PHP 8. Der er dog ingen garanti for, at en opgradering til PHP 8 vil resultere i en hurtigere hjemmeside. F酶r du tr忙ffer nogen beslutninger, er det vigtigt at overveje dine specifikke behov og krav.<br /><br />Vi anbefaler, at du unders酶ger om dine plugins, temaer og generelt WordPress er opdateret til nyeste version og kompatibelt med PHP 8. Det er v忙sentligt, inden du opgraderer til PHP 8.</p> </div> <div class="schema-faq-section" id="faq-question-1671445770176"><strong class="schema-faq-question">Hvilke udbydere tilbyder PHP 8 webhosting?</strong> <p class="schema-faq-answer">PHP 8 er ved at v忙re udbredt hos langt de fleste hosting-udbydere. Nogle tvinger endda deres brugere over p氓 den nye version, mens andre blot giver deres kunder mulighed for at bruge det, hvis de foretr忙kker PHP 7.<br /><br />Hos Simply.com har du mulighed for at v忙lge pr忙cis den PHP version, som du foretr忙kker. Du kan se alle <a href="https://www.simply.com/dk/support/faq/7/1/">PHP versioner vi underst酶tter, p氓 vores FAQ side.</a></p> </div> <div class="schema-faq-section" id="faq-question-1671715700137"><strong class="schema-faq-question">Hvad g酶r jeg hvis min hjemmeside ikke underst酶tter PHP 8?</strong> <p class="schema-faq-answer">Som udgangspunkt anbefaler vi, at man altid opdatere sin hjemmeside. S氓 den kan f酶lge vores standard ops忙tning af PHP.<br /><br />Benytter du et 忙ldre CMS system, eller selv har kodet din hjemmeside. Kan der v忙re forskellige grunde til ikke at v忙lge den nyeste PHP version. Heldigvis kan du frit v忙lge PHP version, s氓 foretr忙kker din hjemmeside PHP 5.3, s氓 kan du sagtens bruge det.</p> </div> </div> </div> <footer class="entry-footer"> <span class="byline"><span class="screen-reader-text">Forfatter </span><span class="author vcard"><a class="url fn n" href="https://blog.simply.com/author/victor/">Victor Pahuus</a></span></span><span class="posted-on"><span class="screen-reader-text">Udgivet </span><a href="https://blog.simply.com/2022/alt-du-skal-vide-om-php-8/" rel="bookmark"><time class="entry-date published" datetime="2022-12-29T10:25:58+01:00">29. december 2022</time><time class="updated" datetime="2022-12-29T15:30:59+01:00">29. december 2022</time></a></span><span class="cat-links"><span class="screen-reader-text">Kategorier </span><a href="https://blog.simply.com/category/artikler/" rel="category tag">Artikler</a>, <a href="https://blog.simply.com/category/artikler/" rel="category tag">Artikler</a>, <a href="https://blog.simply.com/category/artikler/" rel="category tag">Artikler</a>, <a href="https://blog.simply.com/category/general/" rel="category tag">Generelt</a>, <a href="https://blog.simply.com/category/general/" rel="category tag">Generelt</a>, <a href="https://blog.simply.com/category/general/" rel="category tag">Generelt</a>, <a href="https://blog.simply.com/category/general/" rel="category tag">Generelt</a>, <a href="https://blog.simply.com/category/general/" rel="category tag">Generelt</a></span><span class="tags-links"><span class="screen-reader-text">Tags </span><a href="https://blog.simply.com/tag/linux/" rel="tag">linux</a>, <a href="https://blog.simply.com/tag/php/" rel="tag">php</a>, <a href="https://blog.simply.com/tag/php-8/" rel="tag">php 8</a>, <a href="https://blog.simply.com/tag/webhotel/" rel="tag">webhotel</a>, <a href="https://blog.simply.com/tag/wordpress/" rel="tag">wordpress</a></span> </footer> </article> <nav class="navigation post-navigation" aria-label="Indl忙g"> <h2 class="screen-reader-text">Indl忙gsnavigation</h2> <div class="nav-links"><div class="nav-previous"><a href="https://blog.simply.com/2022/saadan-modtager-du-betalinger-paa-din-woocommerce-webshop/" rel="prev"><span class="meta-nav" aria-hidden="true">Forrige</span> <span class="screen-reader-text">Forrige indl忙g:</span> <span class="post-title">S氓dan modtager du betalinger p氓 din WooCommerce webshop</span></a></div><div class="nav-next"><a href="https://blog.simply.com/2023/mysql80/" rel="next"><span class="meta-nav" aria-hidden="true">N忙ste</span> <span class="screen-reader-text">N忙ste indl忙g:</span> <span class="post-title">MySQL 8.0</span></a></div></div> </nav> </main> </div> <aside id="secondary" class="sidebar widget-area"> <section id="recent-posts-3" class="widget widget_recent_entries"> <h2 class="widget-title">Seneste blogindl忙g</h2><nav aria-label="Seneste blogindl忙g"> <ul> <li> <a href="https://blog.simply.com/2023/mysql80/">MySQL 8.0</a> </li> <li> <a href="https://blog.simply.com/2022/alt-du-skal-vide-om-php-8/" aria-current="page">Alt du skal vide om PHP 8</a> </li> <li> <a href="https://blog.simply.com/2022/saadan-modtager-du-betalinger-paa-din-woocommerce-webshop/">S氓dan modtager du betalinger p氓 din WooCommerce webshop</a> </li> <li> <a href="https://blog.simply.com/2022/php74-eol/">Om PHP 7.4 end-of-life</a> </li> <li> <a href="https://blog.simply.com/2022/saadan-er-du-sikret-mod-stroemafbrydelser-hos-simply-com/">S氓dan er du sikret mod str酶mafbrydelser hos Simply.com</a> </li> <li> <a href="https://blog.simply.com/2022/hvorfor-er-to-faktor-godkendelse-vigtig-for-dine-konti/">Hvorfor er to-faktor godkendelse vigtig for dine konti?</a> </li> <li> <a href="https://blog.simply.com/2022/prisaendring-paa-webhoteller/">Pris忙ndring p氓 webhoteller</a> </li> <li> <a href="https://blog.simply.com/2022/3-bedste-wordpress-temaer-i-2022/">De 3 bedste WordPress-temaer i 2022</a> </li> <li> <a href="https://blog.simply.com/2022/aendring-paa-websmtp-simply-com/">脝ndring p氓 websmtp.simply.com</a> </li> <li> <a href="https://blog.simply.com/2022/tour-de-managed-wordpress-4/">Tour de Managed WordPress</a> </li> </ul> </nav></section><section id="search-4" class="widget widget_search"> <form role="search" method="get" class="search-form" action="https://blog.simply.com/"> <label> <span class="screen-reader-text"> S酶g efter: </span> <input type="search" class="search-field" placeholder="S酶g …" value="" name="s" /> </label> <button type="submit" class="search-submit"><span class="screen-reader-text"> S酶g </span></button> </form> </section><section id="custom_html-2" class="widget_text widget widget_custom_html"><div class="textwidget custom-html-widget"> <script> !function(f,b,e,v,n,t,s) {if(f.fbq)return;n=f.fbq=function(){n.callMethod? 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