376 lines
15 KiB
HTML
376 lines
15 KiB
HTML
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<title>WordPress Werkstatt PHP | Jörg Lohrer</title>
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<main class="main">
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<article class="post-single">
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<header class="post-header">
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<h1 class="post-title entry-hint-parent">
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WordPress Werkstatt PHP
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</h1>
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<div class="post-description">
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Advanced Custom Fields und Formulareingaben
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</div>
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<div class="post-meta"><span title='2021-11-17 00:00:00 +0000 UTC'>November 17, 2021</span> · Jörg Lohrer
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</div>
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</header>
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<figure class="entry-cover">
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<img loading="eager" src="http://localhost:1313/2021/11/17/wordpress-werkstatt.html/04-termine-neu.png" alt="">
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</figure>
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<div class="post-content"><h1 id="wordpress-werkstatt-php">WordPress Werkstatt PHP<a hidden class="anchor" aria-hidden="true" href="#wordpress-werkstatt-php">#</a></h1>
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<p>Zunächst wird auf relilab.org das kostenfreie <a href="https://de.wordpress.org/plugins/advanced-custom-fields/">Plugin ACF - Advanced Custom Fields</a> installiert und aktiviert.
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Dies ermöglicht weitere individuelle Beitragsfelder für die Beiträge.
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Nun kann manuell aktiviert oder eine Feldgruppe importiert werden - hier mittels <a href="#ACF-JSON-Export">dieser JSON-Datei</a>, die das abkürzt:
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<img loading="lazy" src="h01-json-import.png" alt="" />
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mit dem Ergebnis, dass unter allen WordPress-Beiträgen jetzt zwei Terminfelder erscheinen, die ausgefüllt werden können:
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<img loading="lazy" src="02-terminfelder.png" alt="" />
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Zudem gibt es neu eine Kategorie “Termine”, die aktiviert werden kann mit Unterkategorien, die später Übersichtsseiten ermöglichen:
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<img loading="lazy" src="03-kategorien.png" alt="" />
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Jetzt wird das <a href="https://github.com/rpi-virtuell/relilab-termine">Plugin relilab-termine</a> installiert und aktiviert
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Nun kann mittels Shortcode <code>[relilab_termine]</code> eine Terminübersicht als WordPress-Block erzeugt werden:
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<img loading="lazy" src="04-termine-neu.png" alt="" />
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</p>
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<h2 id="json">JSON<a hidden class="anchor" aria-hidden="true" href="#json">#</a></h2>
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<h4 id="acf-json-export">ACF-JSON-Export:<a hidden class="anchor" aria-hidden="true" href="#acf-json-export">#</a></h4>
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<pre tabindex="0"><code class="language-json=" data-lang="json=">[
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{
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"key": "group_6193936e4f12c",
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"title": "Termin",
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"fields": [
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{
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"key": "field_619393f8e62e0",
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"label": "Startet am",
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"name": "relilab_startdate",
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"type": "date_time_picker",
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"instructions": "",
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"required": 0,
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"conditional_logic": 0,
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"wrapper": {
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"width": "",
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"class": "",
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"id": ""
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},
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"display_format": "d.m.Y H:i",
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"return_format": "Y-m-d H:i",
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"first_day": 1
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},
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{
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"key": "field_619394a3e62e1",
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"label": "Endet am",
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"name": "relilab_enddate",
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"type": "date_time_picker",
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"instructions": "",
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"required": 0,
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"conditional_logic": 0,
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"wrapper": {
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"width": "",
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"class": "",
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"id": ""
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},
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"display_format": "d.m.Y H:i",
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"return_format": "Y-m-d H:i",
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"first_day": 1
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}
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],
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"location": [
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[
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{
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"param": "post_type",
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"operator": "==",
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"value": "post"
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}
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]
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],
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"menu_order": 0,
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"position": "normal",
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"style": "default",
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"label_placement": "left",
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"instruction_placement": "label",
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"hide_on_screen": "",
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"active": true,
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"description": "",
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"show_in_rest": 0,
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"acfe_display_title": "",
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"acfe_autosync": "",
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"acfe_form": 0,
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"acfe_meta": "",
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"acfe_note": ""
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}
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]
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</code></pre><h2 id="php">PHP<a hidden class="anchor" aria-hidden="true" href="#php">#</a></h2>
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<h3 id="software">Software<a hidden class="anchor" aria-hidden="true" href="#software">#</a></h3>
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<h4 id="php-storm">PHP-Storm<a hidden class="anchor" aria-hidden="true" href="#php-storm">#</a></h4>
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<p><a href="https://www.jetbrains.com/de-de/phpstorm/">https://www.jetbrains.com/de-de/phpstorm/</a></p>
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<h5 id="shortcode-zum-sprechen-bringen">Shortcode zum Sprechen bringen<a hidden class="anchor" aria-hidden="true" href="#shortcode-zum-sprechen-bringen">#</a></h5>
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<p><a href="https://developer.wordpress.org/reference/functions/add_shortcode/">https://developer.wordpress.org/reference/functions/add_shortcode/</a>
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In PhpStorm
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<img loading="lazy" src="05-php-storm.png" alt="" />
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<code>add_shortcode( string $tag, callable $callback )</code></p>
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<p>alle Termine listen, die
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<a href="https://www.advancedcustomfields.com/resources/orde-posts-by-custom-fields/">https://www.advancedcustomfields.com/resources/orde-posts-by-custom-fields/</a></p>
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<p><img loading="lazy" src="06-termine-listen.png" alt="" />
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</p>
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<p>PHP-Storm nutzt als External Library dann WordPress
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<img loading="lazy" src="07-external-library.png" alt="" />
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</p>
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<h3 id="plugin">Plugin<a hidden class="anchor" aria-hidden="true" href="#plugin">#</a></h3>
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<p>Unsere Funktion:</p>
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<pre tabindex="0"><code>/**
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*Plugin Name: relilab Termine
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*/
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add_shortcode('termine','termineAusgeben');
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function termineAusgeben( $atts ) {
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$posts = get_posts(array(
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'post_type' => 'post',
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'posts_per_page' => -1,
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'category' => 'termine',
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'meta_key' => 'relilab_startdate',
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'orderby' => 'meta_value',
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'order' => 'DESC'
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));
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// ob_start();
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global $post;
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?>
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<ul>
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<?php
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foreach ($posts as $post) {
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setup_postdata( $post )
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?>
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<li>
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<a href="<?php the_permalink(); ?>"><?php the_title(); ?> (date: <?php the_field('relilab_startdate'); ?>)</a>
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</li>
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<?php
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}
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?>
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</ul>
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<?php
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wp_reset_postdata();
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// return ob_get_clean();
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}
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</code></pre>
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</div>
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<footer class="post-footer">
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<ul class="post-tags">
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</article>
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</main>
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<footer class="footer">
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<span>© 2025 <a href="http://localhost:1313/">Jörg Lohrer</a></span>
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<span>
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Powered by
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<a href="https://gohugo.io/" rel="noopener noreferrer" target="_blank">Hugo</a> &
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<a href="https://github.com/adityatelange/hugo-PaperMod/" rel="noopener" target="_blank">PaperMod</a>
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<a rel="me" href="https://reliverse.social/@joerglohrer">Mastodon</a>
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<a href="#top" aria-label="go to top" title="Go to Top (Alt + G)" class="top-link" id="top-link" accesskey="g">
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<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 12 6" fill="currentColor">
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<path d="M12 6H0l6-6z" />
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</svg>
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</a>
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<script>
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let menu = document.getElementById('menu')
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if (menu) {
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menu.scrollLeft = localStorage.getItem("menu-scroll-position");
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menu.onscroll = function () {
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localStorage.setItem("menu-scroll-position", menu.scrollLeft);
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}
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}
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document.querySelectorAll('a[href^="#"]').forEach(anchor => {
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anchor.addEventListener("click", function (e) {
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e.preventDefault();
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var id = this.getAttribute("href").substr(1);
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if (!window.matchMedia('(prefers-reduced-motion: reduce)').matches) {
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document.querySelector(`[id='${decodeURIComponent(id)}']`).scrollIntoView({
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behavior: "smooth"
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});
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} else {
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document.querySelector(`[id='${decodeURIComponent(id)}']`).scrollIntoView();
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}
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if (id === "top") {
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history.replaceState(null, null, " ");
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} else {
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history.pushState(null, null, `#${id}`);
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<script>
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var mybutton = document.getElementById("top-link");
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window.onscroll = function () {
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if (document.body.scrollTop > 800 || document.documentElement.scrollTop > 800) {
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mybutton.style.visibility = "visible";
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mybutton.style.opacity = "1";
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document.getElementById("theme-toggle").addEventListener("click", () => {
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if (document.body.className.includes("dark")) {
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document.body.classList.remove('dark');
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localStorage.setItem("pref-theme", 'light');
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} else {
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document.body.classList.add('dark');
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localStorage.setItem("pref-theme", 'dark');
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}
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})
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</body>
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