{"id":232965,"date":"2023-01-31T14:05:00","date_gmt":"2023-01-31T11:05:00","guid":{"rendered":"https:\/\/wordpress.mediadoma.com\/?p=232965"},"modified":"2023-01-31T14:20:55","modified_gmt":"2023-01-31T11:20:55","slug":"come-far-scadere-automaticamente-i-collegamenti-dofollow-funzione-di-gestione-dei-collegamenti-seo-in-php","status":"publish","type":"post","link":"https:\/\/wordpress.mediadoma.com\/it\/come-far-scadere-automaticamente-i-collegamenti-dofollow-funzione-di-gestione-dei-collegamenti-seo-in-php\/","title":{"rendered":"Come far scadere automaticamente i collegamenti DoFollow (funzione di gestione dei collegamenti SEO in PHP)"},"content":{"rendered":"<p>Come far scadere automaticamente i collegamenti DoFollow (funzione di gestione dei collegamenti SEO in PHP)<\/p>\n<div class=\"sds-iframe-wrapper fitvidsignore\" style=\"position:relative;padding-top:56.25%;max-width:100%;\"><iframe allowfullscreen style=\"position:absolute;top:0;left:0;width:100%;height:100%;\" src=\"\/\/www.facebook.com\/v2.6\/plugins\/like.php\" frameborder=\"0\"><\/iframe><\/div>\n<p>Trovo la necessit\u00e0 di gestire i collegamenti ipertestuali in wordpress in un luogo centralizzato. Dato che ho molti link dofollow che non sono pi\u00f9 validi (accessibili). Rendere nofollow quei link non validi \u00e8 un must per l&#8217;ottimizzazione dei motori di ricerca (SEO): sei responsabile di rimuovere i backlink morti per evitare la punizione SEO.<\/p>\n<p>In questo post, esamineremo le <a href=\"https:\/\/helloacm.com\/php-function-to-get-exchange-rate-between-cryptocurrency-btc-ltc-eth-to-fiat-currency\/\" target=\"_blank\" rel=\"noopener nofollow\" class=\"external external_icon\">funzioni PHP<\/a> per gestire automaticamente i collegamenti in modo che tu possa far scadere automaticamente i collegamenti o rendere altri collegamenti No-Follow in un unico posto. Puoi usarlo nel tuo sito Web e funziona bene anche in WordPress, che potrebbe essere necessario modificare la funzione figlio del tuo tema WordPress per applicare la trasformazione di testo\/collegamenti.<\/p>\n<p>Innanzitutto, la seguente funzione find_links prende una stringa HTML, quindi puoi alimentarla con l&#8217;output HTML e analizzer\u00e0 la stringa HTML e cercher\u00e0 ogni collegamento ipertestuale:<\/p>\n<table>\n<tbody>\n<tr>\n<td>\n<pre>1\n2\n3\n4\n5\n6\n<\/pre>\n<\/td>\n<td>\n<pre><span>&lt;?php<\/span>\n<span>function<\/span> find_links<span>(<\/span><span>$htmlString<\/span><span>)<\/span><span>{<\/span>\n&nbsp; &nbsp; <span>$pattern<\/span> <span>=<\/span> <span>'\/&lt;a (.*?)href=[\"'](.*?)\/\/(.*?)[\"'](.*?)&gt;(.*?)&lt;\/a&gt;\/i'<\/span><span>;<\/span>\n&nbsp; &nbsp; <span>$htmlString<\/span> <span>=<\/span> <span>preg_replace_callback<\/span><span>(<\/span><span>$pattern<\/span><span>,<\/span> <span>'process_links'<\/span><span>,<\/span> <span>$htmlString<\/span><span>)<\/span><span>;<\/span>\n&nbsp; &nbsp; <span>return<\/span> <span>$htmlString<\/span><span>;<\/span>\n<span>}<\/span><\/pre>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<pre><code>&lt;?php\nfunction find_links($htmlString){\n    $pattern = '\/&lt;a (.*?)href=[\"'](.*?)\/\/(.*?)[\"'](.*?)&gt;(.*?)&lt;\/a&gt;\/i';\n    $htmlString = preg_replace_callback($pattern, 'process_links', $htmlString);\n    return $htmlString;\n}<\/code><\/pre>\n<p>Come potresti notare, la regex richiama process_links per ogni <a href=\"https:\/\/wordpress.mediadoma.com\/it\/utilizzo-dellespressione-regolare-per-sostituire-i-collegamenti-esterni-in-wordpress-per-scopi-seo\/\" title=\"collegamento ipertestuale\">collegamento ipertestuale<\/a> che ha trovato. E di seguito, puoi aggiungere il dominio del tuo sito nell&#8217;array $good_domains. E puoi impostare i domini in scadenza e le relative date di scadenza in modo che i link diventino automaticamente NOFOLLOW.<\/p>\n<table>\n<tbody>\n<tr>\n<td>\n<pre>1\n2\n3\n4\n5\n6\n7\n8\n9\n10\n11\n12\n13\n14\n15\n16\n17\n18\n19\n20\n21\n22\n23\n24\n25\n26\n27\n28\n29\n30\n31\n32\n33\n34\n35\n36\n37\n38\n39\n40\n<\/pre>\n<\/td>\n<td>\n<pre><span>&lt;?php<\/span>\n<span>function<\/span> process_links<span>(<\/span><span>$m<\/span><span>)<\/span><span>{<\/span>\n&nbsp; &nbsp; <span>$good_domains<\/span> <span>=<\/span> <span>array<\/span><span>(<\/span>\n&nbsp; &nbsp; &nbsp; <span>\"<a target=\"_blank\" href=\"https:\/\/helloacm.com\/\" rel=\"nofollow noopener\"><span>helloacm<\/span><span>.<\/span><span>com<\/span><\/a>\"<\/span>\n&nbsp; &nbsp; <span>)<\/span><span>;<\/span>\n&nbsp; &nbsp; \n&nbsp; &nbsp; <span>$expiring_domains<\/span> <span>=<\/span> <span>array<\/span><span>(<\/span>\n&nbsp; &nbsp; &nbsp; &nbsp; <span>\"<a target=\"_blank\" href=\"http:\/\/fakedomain.com\/\" rel=\"nofollow noopener\"><span>fakedomain<\/span><span>.<\/span><span>com<\/span><\/a>\"<\/span> <span>=&gt;<\/span> <span>\"2099-01-01\"<\/span>\n&nbsp; &nbsp; <span>)<\/span><span>;<\/span>\n&nbsp; &nbsp; \n&nbsp; &nbsp; <span>$nofollow<\/span> <span>=<\/span> <span>\"rel=<span>\"<\/span>nofollow<span>\"<\/span>\"<\/span><span>;<\/span>\n&nbsp; &nbsp; <span>$target<\/span> <span>=<\/span> <span>\"target=<span>\"<\/span>blank<span>\"<\/span>\"<\/span><span>;<\/span>\n&nbsp; &nbsp; \n&nbsp; &nbsp; <span>$m<\/span><span>[<\/span><span>2<\/span><span>]<\/span> <span>=<\/span> <span>strtolower<\/span><span>(<\/span><span>$m<\/span><span>[<\/span><span>2<\/span><span>]<\/span><span>)<\/span><span>;<\/span>\n&nbsp; &nbsp; <span>if<\/span> <span>(<\/span><span>(<\/span><span>$m<\/span><span>[<\/span><span>2<\/span><span>]<\/span> <span>!=<\/span> <span>\"https:\"<\/span><span>)<\/span> <span>&amp;&amp;<\/span> <span>(<\/span><span>$m<\/span><span>[<\/span><span>2<\/span><span>]<\/span> <span>!=<\/span> <span>\"http:\"<\/span><span>)<\/span><span>)<\/span> <span>{<\/span>\n&nbsp; &nbsp; &nbsp; &nbsp; <span>$m<\/span><span>[<\/span><span>2<\/span><span>]<\/span> <span>=<\/span> <span>\"\"<\/span><span>;<\/span>\n&nbsp; &nbsp; <span>}<\/span>\n&nbsp; &nbsp; \n&nbsp; &nbsp; <span>\/\/$domain = str_lower(parse_url($m[3], PHP_URL_HOST));<\/span>\n&nbsp; &nbsp; <span>$domain<\/span> <span>=<\/span> getDomainName<span>(<\/span><span>$m<\/span><span>[<\/span><span>3<\/span><span>]<\/span><span>)<\/span><span>;<\/span>\n&nbsp; &nbsp; <span>$curDomain<\/span> <span>=<\/span> <span>$_SERVER<\/span><span>[<\/span><span>'SERVER_NAME'<\/span><span>]<\/span> ?? <span>\"\"<\/span><span>;<\/span>\n&nbsp; &nbsp; \n&nbsp; &nbsp; <span>if<\/span> <span>(<\/span><span>in_array<\/span><span>(<\/span><span>$domain<\/span><span>,<\/span> <span>$good_domains<\/span><span>)<\/span> <span>||<\/span> <span>(<\/span><span>$curDomain<\/span> <span>==<\/span> <span>$domain<\/span><span>)<\/span><span>)<\/span> <span>{<\/span>\n&nbsp; &nbsp; &nbsp; &nbsp; <span>$nofollow<\/span> <span>=<\/span> <span>\"\"<\/span><span>;<\/span>\n&nbsp; &nbsp; <span>}<\/span>\n&nbsp; &nbsp; \n&nbsp; &nbsp; <span>if<\/span> <span>(<\/span><span>$curDomain<\/span> <span>==<\/span> <span>$domain<\/span><span>)<\/span> <span>{<\/span>\n&nbsp; &nbsp; &nbsp; &nbsp; <span>$target<\/span> <span>=<\/span> <span>\"\"<\/span><span>;<\/span>\n&nbsp; &nbsp; <span>}<\/span> &nbsp; &nbsp; &nbsp; \n&nbsp; &nbsp; \n&nbsp; &nbsp; <span>if<\/span> <span>(<\/span><span>in_array<\/span><span>(<\/span><span>$domain<\/span><span>,<\/span> <span>array_keys<\/span><span>(<\/span><span>$expiring_domains<\/span><span>)<\/span><span>)<\/span><span>)<\/span> <span>{<\/span>\n&nbsp; &nbsp; &nbsp; &nbsp; <span>$expiry<\/span> <span>=<\/span> <span>$expiring_domains<\/span><span>[<\/span><span>$domain<\/span><span>]<\/span><span>;<\/span>\n&nbsp; &nbsp; &nbsp; &nbsp; <span>$today<\/span> <span>=<\/span> <span>date<\/span><span>(<\/span><span>\"Y-m-d\"<\/span><span>)<\/span><span>;<\/span> \n&nbsp; &nbsp; &nbsp; &nbsp; <span>if<\/span> <span>(<\/span><span>$today<\/span> <span>&lt;<\/span> <span>$expiry<\/span><span>)<\/span> <span>{<\/span>\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span>$nofollow<\/span> <span>=<\/span> <span>\"\"<\/span><span>;<\/span>\n&nbsp; &nbsp; &nbsp; &nbsp; <span>}<\/span> &nbsp; &nbsp; &nbsp; &nbsp;\n&nbsp; &nbsp; <span>}<\/span>\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; \n&nbsp; &nbsp; <span>return<\/span> <span>\"&lt;a <span>$nofollow<\/span> <span>$target<\/span> href=<span>\"<\/span><span>{$m[2]}<\/span>\/\/<span>{$m[3]}<\/span><span>\"<\/span>&gt;<span>{$m[5]}<\/span>&lt;\/a&gt;\"<\/span><span>;<\/span>\n<span>}<\/span><\/pre>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<pre><code>&lt;?php\nfunction process_links($m){\n    $good_domains = array(\n      \"<\/code><\/pre>\n<p>La funzione modifica due propriet\u00e0 di un collegamento ipertestuale: _target che sar\u00e0 _blank quando \u00e8 un dominio esterno e rel che verr\u00e0 impostato automaticamente su nofollow. Puoi anche aggiungere logiche per uniformare tutti gli URL, ad esempio riscritture automatiche HTTPS, etichette di collegamenti ipertestuali ecc.<\/p>\n<p><a href=\"https:\/\/wordpress.mediadoma.com\/wp-content\/uploads\/2022\/01\/post-155416-61e55ed6698ca.jpg\" data-rel=\"lightbox\"><img decoding=\"async\" class=\"SDStudio-light-box-enable SDStudio-editor-tools-md-imp\" src=\"https:\/\/wordpress.mediadoma.com\/wp-content\/uploads\/2022\/01\/post-155416-61e55ed6698ca.jpg\" alt=\"Come far scadere automaticamente i collegamenti DoFollow (funzione di gestione dei collegamenti SEO in PHP)\"><\/a><\/p>\n<p>\u2013EOF (<a href=\"https:\/\/helloacm.com\/\" target=\"_blank\" rel=\"noopener nofollow\" class=\"external external_icon\">Il blog di informatica e tecnologia per<\/a> eccellenza) \u2014<\/p>\n<p>Voto: 10.0\/ <strong>10<\/strong> (1 voto espresso)<\/p>\n<div class=\"sds-iframe-wrapper fitvidsignore\" style=\"position:relative;padding-top:56.25%;max-width:100%;\"><iframe allowfullscreen style=\"position:absolute;top:0;left:0;width:100%;height:100%;\" src=\"\/\/www.facebook.com\/v2.6\/plugins\/like.php\" frameborder=\"0\"><\/iframe><\/div>\n<p>536 parole<br \/>\n<strong>Ultimo messaggio<\/strong>: <a href=\"https:\/\/helloacm.com\/teaching-kids-programming-converting-spreadsheet-column-titles-to-number\/\" target=\"_blank\" rel=\"noopener nofollow\" class=\"external external_icon\">Insegnare alla programmazione per bambini \u2013 Conversione dei titoli delle colonne del foglio di calcolo in numero<\/a><br \/>\n<strong>Post successivo<\/strong>: <a href=\"https:\/\/helloacm.com\/teaching-kids-programmaing-generate-prime-numbers-using-sieve-of-eratosthenes-algorithms\/\" target=\"_blank\" rel=\"noopener nofollow\" class=\"external external_icon\">Insegnare alla programmazione per bambini \u2013 Genera numeri primi usando gli algoritmi del crivello di Eratostene<\/a><\/p>\n<p>L&#8217;URL permanente \u00e8: <a href=\"https:\/\/helloacm.com\/how-to-expire-dofollow-links-automatically-seo-links-management-function-in-php\/\" target=\"_blank\" rel=\"noopener nofollow\" class=\"external external_icon\">Come far scadere automaticamente i collegamenti DoFollow (funzione di gestione dei collegamenti SEO in PHP)<\/a> <a href=\"https:\/\/helloacm.com\/how-to-expire-dofollow-links-automatically-seo-links-management-function-in-php\/amp\/\" target=\"_blank\" rel=\"noopener nofollow\" class=\"external external_icon\">(versione AMP)<\/a><\/p>\n<p><div id=\"PostUnique_PostSource\" style=\"padding-top: 50px\">Fonte di registrazione:  <a target=\"_blank\" rel=\"noopener nofollow\" href=\"\/\/helloacm.com\" class=\"external external_icon\">helloacm.com<\/a><\/div><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Come far scadere automaticamente i collegamenti DoFollow (funzione di gestione dei collegamenti SEO in PHP)<\/p>\n","protected":false},"author":1,"featured_media":224449,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_wp_rev_ctl_limit":""},"categories":[896,996,804,1007,844,865],"tags":[1168],"class_list":["post-232965","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-codice","category-marketing-dei-contenuti","category-php-6","category-seo-7","category-tutorial","category-wordpress-6","tag-affiai-it"],"_links":{"self":[{"href":"https:\/\/wordpress.mediadoma.com\/it\/wp-json\/wp\/v2\/posts\/232965","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wordpress.mediadoma.com\/it\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/wordpress.mediadoma.com\/it\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/wordpress.mediadoma.com\/it\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/wordpress.mediadoma.com\/it\/wp-json\/wp\/v2\/comments?post=232965"}],"version-history":[{"count":0,"href":"https:\/\/wordpress.mediadoma.com\/it\/wp-json\/wp\/v2\/posts\/232965\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/wordpress.mediadoma.com\/it\/wp-json\/wp\/v2\/media\/224449"}],"wp:attachment":[{"href":"https:\/\/wordpress.mediadoma.com\/it\/wp-json\/wp\/v2\/media?parent=232965"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wordpress.mediadoma.com\/it\/wp-json\/wp\/v2\/categories?post=232965"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wordpress.mediadoma.com\/it\/wp-json\/wp\/v2\/tags?post=232965"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}