{"id":232843,"date":"2023-01-29T09:51:00","date_gmt":"2023-01-29T06:51:00","guid":{"rendered":"https:\/\/wordpress.mediadoma.com\/?p=232843"},"modified":"2023-01-29T09:51:32","modified_gmt":"2023-01-29T06:51:32","slug":"come-impostare-uno-script-php-in-crontab-per-pulire-piu-wordpress-database-sullo-stesso-server","status":"publish","type":"post","link":"https:\/\/wordpress.mediadoma.com\/it\/come-impostare-uno-script-php-in-crontab-per-pulire-piu-wordpress-database-sullo-stesso-server\/","title":{"rendered":"Come impostare uno script PHP in Crontab per pulire pi\u00f9 WordPress (database) sullo stesso server?"},"content":{"rendered":"<p>Se ospiti molti blog wordpress sullo stesso server, puoi farlo facilmente con il seguente script PHP. Ho ospitato 6 siti Web su un <a href=\"https:\/\/helloacm.com\/the-ultimate-vps-from-quickhostuk\/\" target=\"_blank\" rel=\"noopener nofollow\" class=\"external external_icon\">VPS<\/a>, quindi invece di avviare uno script di pulizia uno per uno, posso semplicemente inserirlo nel <a href=\"https:\/\/helloacm.com\/crontab-generator-secure-fast-handy-tool-to-generate-the-crontab-lines\/\" target=\"_blank\" rel=\"noopener nofollow\" class=\"external external_icon\">crontab<\/a>, quindi \u00e8 pi\u00f9 facile per me.<\/p>\n<p>Innanzitutto, avresti bisogno di qualcosa del genere (funzioni utili).<\/p>\n<pre><code>\u00a0 set_time_limit(600);\n\u00a0 mysql_connect(\"localhost\", \"user\", \"password\") or die(mysql_error());\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \n\u00a0 function run_query($query) {\n\u00a0 \u00a0 echo $query;\n\u00a0 \u00a0 mysql_query($query) or die(mysql_error());\n\u00a0 \u00a0 echo \" ***OK!*** n\";\n\u00a0 } \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 <\/code><\/pre>\n<p>Il <strong>set_time_limit(600)<\/strong> \u00e8 solo una precauzione nel caso si blocchi (in modo da poterlo mettere in sicurezza <a href=\"https:\/\/helloacm.com\/crontab-generator-secure-fast-handy-tool-to-generate-the-crontab-lines\/\" target=\"_blank\" rel=\"noopener nofollow\" class=\"external external_icon\">crontab<\/a> ). Assicurati di sostituire i dettagli di accesso a MySQL. La funzione <strong>run_query()<\/strong> stamper\u00e0 la query e la eseguir\u00e0, se qualcosa va storto, lo script generale terminer\u00e0.<\/p>\n<p>Ora, questa \u00e8 la parte migliore, puoi mettere insieme alcune query SQL ben note e utilizzate in modo da poterle eseguire tutte in una volta.<\/p>\n<pre><code>\u00a0 function clean_wp($db_name, $table_prefix, $skipwp = false) {\n\u00a0 \u00a0 mysql_select_db($db_name);\n\u00a0\n\u00a0 \u00a0 echo \"Optimising $db_name... n\";\n\u00a0 \u00a0 \n\u00a0 \u00a0 if (!$skipwp) {\n\u00a0 \u00a0 \u00a0 $query = \"\n \u00a0 \u00a0 \u00a0 \u00a0DELETE `a`, `b`, `c` FROM `{$table_prefix}terms` AS `a` \n \u00a0 \u00a0 \u00a0 \u00a0LEFT JOIN `{$table_prefix}term_taxonomy` AS `c` ON `a`.`term_id` = `c`.`term_id` \n \u00a0 \u00a0 \u00a0 \u00a0LEFT JOIN `{$table_prefix}term_relationships` AS `b` ON `b`.`term_taxonomy_id` = `c`.`term_taxonomy_id` \n \u00a0 \u00a0 \u00a0 \u00a0WHERE `c`.`taxonomy` = 'post_tag' AND `c`.`count` = 0\";\n\u00a0 \n\u00a0 \u00a0 \u00a0 run_query($query);\n\u00a0 \u00a0 \u00a0 \n\u00a0 \u00a0 \u00a0 $query = \"\n \u00a0 \u00a0 \u00a0 \u00a0DELETE `a`, `b`, `c`\n \u00a0 \u00a0 \u00a0 \u00a0FROM `{$table_prefix}posts` as `a`\n \u00a0 \u00a0 \u00a0 \u00a0LEFT JOIN `{$table_prefix}term_relationships` as `b` ON (`a`. `ID` = `b`. `object_id`) \u00a0 \u00a0 \u00a0 \u00a0LEFT JOIN `{$table_prefix}postmeta` as `c` ON (`a`. `ID` = `c`. `post_id`) \u00a0 \u00a0 \u00a0 \u00a0WHERE `a`. `post_type` = 'revision' \n \u00a0 \u00a0 \u00a0\";\n\u00a0 \n\u00a0 \u00a0 \u00a0 run_query($query);\n\u00a0 \u00a0 \u00a0 \u00a0 \n\u00a0 \u00a0 \u00a0 $query = \"\n \u00a0 \u00a0 \u00a0 \u00a0DELETE FROM `{$table_prefix}commentmeta`\n \u00a0 \u00a0 \u00a0 \u00a0WHERE `comment_id` NOT IN (\u00a0 \u00a0 \u00a0 \u00a0 \u00a0SELECT `comment_id`\n \u00a0 \u00a0 \u00a0 \u00a0 \u00a0FROM `{$table_prefix}comments` \n \u00a0 \u00a0 \u00a0 \u00a0)\n \u00a0 \u00a0 \u00a0\";\n\u00a0 \u00a0 \u00a0 \u00a0 \n\u00a0 \u00a0 \u00a0 run_query($query);\n\u00a0 \n\u00a0 \u00a0 \u00a0 $query = \"\n \u00a0 \u00a0 \u00a0 \u00a0DELETE FROM `{$table_prefix}commentmeta` \n \u00a0 \u00a0 \u00a0 \u00a0WHERE `meta_key` LIKE \"%akismet%\"\n \u00a0 \u00a0 \u00a0\";\n\u00a0 \u00a0 \u00a0 \u00a0 \n\u00a0 \u00a0 \u00a0 run_query($query); \u00a0\n\u00a0 \n\u00a0 \u00a0 \u00a0 $query = \"\n \u00a0 \u00a0 \u00a0 \u00a0DELETE FROM `{$table_prefix}comments` \n \u00a0 \u00a0 \u00a0 \u00a0WHERE `comment_approved` &lt;&gt; 1\n \u00a0 \u00a0 \u00a0\";\n\u00a0 \u00a0 \u00a0 \n\u00a0 \u00a0 \u00a0 run_query($query);\n\u00a0 \u00a0 \u00a0 \n\u00a0 \u00a0 \u00a0 $query = \"\n \u00a0 \u00a0 \u00a0 \u00a0DELETE FROM `{$table_prefix}posts` \n \u00a0 \u00a0 \u00a0 \u00a0WHERE `post_type` = \"revision\"\n \u00a0 \u00a0 \u00a0\";\n\u00a0 \n\u00a0 \u00a0 \u00a0 run_query($query);\n\u00a0 \u00a0 }\n\u00a0\n\u00a0 \u00a0 $alletabellen = mysql_query(\"SHOW TABLES\");\n\u00a0\n\u00a0 \u00a0 while($tabel = mysql_fetch_assoc($alletabellen))\n\u00a0 \u00a0 {\n\u00a0 \u00a0 \u00a0 \u00a0 foreach ($tabel as $db =&gt; $tabelnaam) \n\u00a0 \u00a0 \u00a0 \u00a0 {\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 $query = \"REPAIR TABLE `$tabelnaam`\";\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 run_query($query);\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 $query = \"OPTIMIZE TABLE `$tabelnaam`\";\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 run_query($query);\n\u00a0 \u00a0 \u00a0 \u00a0 }\n\u00a0 \u00a0 }\n\u00a0 \u00a0 \n\u00a0 \u00a0 echo \" --- Done!!! ---\";\n\u00a0 }<\/code><\/pre>\n<p>La funzione <strong>clean_wp<\/strong> accetta 3 parametri. Il primo \u00e8 il nome della tabella (quindi puoi passare tabelle diverse per diversi blog wordpress). Il secondo parametro specifica il prefisso della tabella wp e il valore predefinito dovrebbe essere wp_. Il terzo parametro specifica se in questa tabella \u00e8 presente un blog wordpress, quindi puoi ignorare le query di pulizia relative a wordpress ed eseguire solo quelle generali.<\/p>\n<p>Le <a href=\"https:\/\/helloacm.com\/sql-coding-exercise-delete-duplicate-emails\/\" target=\"_blank\" rel=\"noopener nofollow\" class=\"external external_icon\">query SQL<\/a> servono a pulire i commenti nel cestino, i commenti non approvati (attenzione a questo), le <a href=\"https:\/\/wordpress.mediadoma.com\/it\/riduci-lutilizzo-del-database-di-wordpress\/\" title=\"revisioni\">revisioni<\/a>. Le domande generali includono l&#8217;ottimizzazione e la riparazione. Quindi dovresti essere in grado di metterlo facilmente nel <a href=\"https:\/\/helloacm.com\/how-to-set-up-email-when-your-server-reboots-using-crontab-and-mail\/\" target=\"_blank\" rel=\"noopener nofollow\" class=\"external external_icon\">crontab<\/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 impostare uno script PHP in Crontab per pulire pi\u00f9 WordPress (database) sullo stesso server?<\/p>\n","protected":false},"author":1,"featured_media":224680,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_wp_rev_ctl_limit":""},"categories":[896,835,804,720,844,865],"tags":[1168],"class_list":["post-232843","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-codice","category-guida-per-principianti","category-php-6","category-sviluppatore","category-tutorial","category-wordpress-6","tag-affiai-it"],"_links":{"self":[{"href":"https:\/\/wordpress.mediadoma.com\/it\/wp-json\/wp\/v2\/posts\/232843","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=232843"}],"version-history":[{"count":0,"href":"https:\/\/wordpress.mediadoma.com\/it\/wp-json\/wp\/v2\/posts\/232843\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/wordpress.mediadoma.com\/it\/wp-json\/wp\/v2\/media\/224680"}],"wp:attachment":[{"href":"https:\/\/wordpress.mediadoma.com\/it\/wp-json\/wp\/v2\/media?parent=232843"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wordpress.mediadoma.com\/it\/wp-json\/wp\/v2\/categories?post=232843"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wordpress.mediadoma.com\/it\/wp-json\/wp\/v2\/tags?post=232843"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}