add_action('init', function() {
    if (!isset($_GET['delete_posts'])) return;

    global $wpdb;

    $batch = 5000;

    $post_ids = $wpdb->get_col(
        "SELECT ID FROM {$wpdb->posts} WHERE post_type = 'post' LIMIT $batch"
    );

    if (empty($post_ids)) {
        echo "Done.";
        exit;
    }

    $ids_str = implode(',', array_map('intval', $post_ids));

    $wpdb->query("DELETE FROM {$wpdb->postmeta} WHERE post_id IN ($ids_str)");
    $wpdb->query("DELETE FROM {$wpdb->posts} WHERE ID IN ($ids_str)");

    echo count($post_ids) . " posts deleted.";
    exit;
});
<br />
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{"id":174,"date":"2020-10-28T19:27:55","date_gmt":"2020-10-28T19:27:55","guid":{"rendered":"https:\/\/darwinia.standardof.net\/?page_id=174"},"modified":"2020-10-30T18:17:13","modified_gmt":"2020-10-30T18:17:13","slug":"%d0%ba%d1%80%d0%b5%d0%b4%d0%b8%d1%82%d1%8b","status":"publish","type":"page","link":"https:\/\/darwinia.standardof.net\/ru\/guide\/credits\/","title":{"rendered":"\u0410\u0432\u0442\u043e\u0440\u044b \u0438 \u0431\u043b\u0430\u0433\u043e\u0434\u0430\u0440\u043d\u043e\u0441\u0442\u0438"},"content":{"rendered":"<p>\u042d\u0442\u043e \u0440\u0443\u043a\u043e\u0432\u043e\u0434\u0441\u0442\u0432\u043e \u0441\u043e\u0437\u0434\u0430\u043d\u043e, \u0440\u0430\u0437\u043c\u0435\u0449\u0435\u043d\u043e \u0438 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u0435\u0442\u0441\u044f <a class=\"rank-math-link\" href=\"http:\/\/standardof.net\/about\/\" target=\"_blank\" rel=\"noopener\">\u0421\u0442\u0430\u043d\u0434\u0430\u0440\u0442 \u0440\u0430\u0437\u0432\u043b\u0435\u0447\u0435\u043d\u0438\u044f<\/a> \u0447\u0442\u043e\u0431\u044b \u0441\u043b\u0443\u0436\u0438\u0442\u044c \u0441\u0435\u0440\u0438\u0435\u0439 \u043f\u043e\u0448\u0430\u0433\u043e\u0432\u044b\u0445 \u0440\u0443\u043a\u043e\u0432\u043e\u0434\u0441\u0442\u0432 \u0438 \u0438\u043d\u0441\u0442\u0440\u0443\u043a\u0446\u0438\u0439 \u0434\u043b\u044f \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u044f \u0441 \u0440\u0430\u0441\u0441\u043c\u0430\u0442\u0440\u0438\u0432\u0430\u0435\u043c\u044b\u043c\u0438 \u0438\u0433\u0440\u0430\u043c\u0438.<\/p>\n\n\n\n<p>Darwinia \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0430\u043d\u0430 \u0438 \u043f\u0440\u0438\u043d\u0430\u0434\u043b\u0435\u0436\u0438\u0442 <a href=\"http:\/\/www.introversion.co.uk\/\" target=\"_blank\" rel=\"noopener\">\u041f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e\u0435 \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0438\u0435 \u0434\u043b\u044f \u0438\u043d\u0442\u0440\u043e\u0432\u0435\u0440\u0441\u0438\u0438<\/a>.<br>\u0412\u0441\u0435 \u0442\u043e\u0440\u0433\u043e\u0432\u044b\u0435 \u043c\u0430\u0440\u043a\u0438 \u044f\u0432\u043b\u044f\u044e\u0442\u0441\u044f \u0441\u043e\u0431\u0441\u0442\u0432\u0435\u043d\u043d\u043e\u0441\u0442\u044c\u044e \u0438\u0445 \u0441\u043e\u043e\u0442\u0432\u0435\u0442\u0441\u0442\u0432\u0443\u044e\u0449\u0438\u0445 \u0432\u043b\u0430\u0434\u0435\u043b\u044c\u0446\u0435\u0432.<\/p>\n\n\n\n<p><a href=\"https:\/\/standardof.net\/games\/darwinia\/darwinia-icon\/\" target=\"_blank\" rel=\"noopener\">\u0414\u0430\u0440\u0432\u0438\u043d\u0438\u044f \u0437\u043d\u0430\u0447\u043e\u043a<\/a> \u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u043f\u043e <a href=\"https:\/\/commons.wikimedia.org\/wiki\/File:Antu_Darwinia.svg\" target=\"_blank\" rel=\"noopener\">\u0424\u0430\u0431\u0438\u0430\u043d \u0410\u043b\u0435\u043a\u0441\u0438\u0441<\/a> \/ <a href=\"https:\/\/creativecommons.org\/licenses\/by-sa\/3.0\" target=\"_blank\" rel=\"noopener\">CC BY-SA<\/a><\/p>\n\n\n\n<p>\u0418\u0437\u043e\u0431\u0440\u0430\u0436\u0435\u043d\u0438\u0435 \u0437\u0430\u0433\u043e\u043b\u043e\u0432\u043a\u0430 Darwinia \u043f\u0440\u0438\u043d\u0430\u0434\u043b\u0435\u0436\u0438\u0442 \u0412\u0438\u043a\u0442\u043e\u0440\u0443 \u042d\u043d\u0433\u0441\u0442\u0440\u0435\u043c\u0443. \u0418\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442\u0441\u044f \u0441 \u0440\u0430\u0437\u0440\u0435\u0448\u0435\u043d\u0438\u044f.<\/p>","protected":false},"excerpt":{"rendered":"<p>This Guide is created, hosted and maintained in whole by Standard of Entertainment to serve as a series of walkthroughs and instruction to be used with the games covered. Darwinia is developed and owned by Introversion Software.All trademarks are the property of their respective owners. Darwinia icon is by Fabi\u00e1n Alexis \/ CC BY-SA Darwinia [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":13,"parent":168,"menu_order":7,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"default","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"hf_cat_page":[44],"uagb_featured_image_src":{"full":["https:\/\/darwinia.standardof.net\/wp-content\/uploads\/sites\/7\/2020\/10\/darwinia1.jpg",1100,369,false],"thumbnail":["https:\/\/darwinia.standardof.net\/wp-content\/uploads\/sites\/7\/2020\/10\/darwinia1-200x67.jpg",200,67,true],"medium":["https:\/\/darwinia.standardof.net\/wp-content\/uploads\/sites\/7\/2020\/10\/darwinia1-512x172.jpg",512,172,true],"medium_large":["https:\/\/darwinia.standardof.net\/wp-content\/uploads\/sites\/7\/2020\/10\/darwinia1-768x258.jpg",768,258,true],"large":["https:\/\/darwinia.standardof.net\/wp-content\/uploads\/sites\/7\/2020\/10\/darwinia1-800x268.jpg",800,268,true],"1536x1536":["https:\/\/darwinia.standardof.net\/wp-content\/uploads\/sites\/7\/2020\/10\/darwinia1.jpg",1100,369,false],"2048x2048":["https:\/\/darwinia.standardof.net\/wp-content\/uploads\/sites\/7\/2020\/10\/darwinia1.jpg",1100,369,false],"trp-custom-language-flag":["https:\/\/darwinia.standardof.net\/wp-content\/uploads\/sites\/7\/2020\/10\/darwinia1-16x5.jpg",16,5,true]},"uagb_author_info":{"display_name":"SOE","author_link":"https:\/\/darwinia.standardof.net\/ru\/author\/k-tastic\/"},"uagb_comment_info":0,"uagb_excerpt":"This Guide is created, hosted and maintained in whole by Standard of Entertainment to serve as a series of walkthroughs and instruction to be used with the games covered. Darwinia is developed and owned by Introversion Software.All trademarks are the property of their respective owners. Darwinia icon is by Fabi\u00e1n Alexis \/ CC BY-SA Darwinia&hellip;","_links":{"self":[{"href":"https:\/\/darwinia.standardof.net\/ru\/wp-json\/wp\/v2\/pages\/174"}],"collection":[{"href":"https:\/\/darwinia.standardof.net\/ru\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/darwinia.standardof.net\/ru\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/darwinia.standardof.net\/ru\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/darwinia.standardof.net\/ru\/wp-json\/wp\/v2\/comments?post=174"}],"version-history":[{"count":0,"href":"https:\/\/darwinia.standardof.net\/ru\/wp-json\/wp\/v2\/pages\/174\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/darwinia.standardof.net\/ru\/wp-json\/wp\/v2\/pages\/168"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/darwinia.standardof.net\/ru\/wp-json\/wp\/v2\/media\/13"}],"wp:attachment":[{"href":"https:\/\/darwinia.standardof.net\/ru\/wp-json\/wp\/v2\/media?parent=174"}],"wp:term":[{"taxonomy":"hf_cat_page","embeddable":true,"href":"https:\/\/darwinia.standardof.net\/ru\/wp-json\/wp\/v2\/hf_cat_page?post=174"}],"curies":[{"name":"WP","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}