{"id":23393,"date":"2022-09-04T05:28:00","date_gmt":"2022-09-03T20:28:00","guid":{"rendered":"https:\/\/motoki-design.co.jp\/wordpress\/?p=23393"},"modified":"2026-10-03T09:54:04","modified_gmt":"2026-10-03T00:54:04","slug":"wordpress-save-custom-fields","status":"publish","type":"post","link":"https:\/\/motoki-design.co.jp\/wordpress\/wordpress-save-custom-fields\/","title":{"rendered":"WordPress\u2502\u30ab\u30b9\u30bf\u30e0\u30d5\u30a3\u30fc\u30eb\u30c9\u5024\u3092\u81ea\u52d5\u4fdd\u5b58\u3059\u308b\u30ab\u30b9\u30bf\u30de\u30a4\u30ba"},"content":{"rendered":"

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<?php\nfunction waza_read_minutes($content) {\n    $text = html_entity_decode(wp_strip_all_tags(strip_shortcodes($content)), ENT_QUOTES, 'UTF-8');\n    $text = preg_replace('\/\\s+\/u', '', $text);\n    return (int) ceil(mb_strlen($text, 'UTF-8') \/ 600);\n}\nfunction waza_save_read_minutes($id, $post) {\n    if ((defined('DOING_AUTOSAVE') && DOING_AUTOSAVE) || wp_is_post_revision($id) || wp_is_post_autosave($id)) return;\n    if ($post->post_type !== 'post' || $post->post_status === 'auto-draft' || !current_user_can('edit_post', $id)) return;\n    update_post_meta($id, 'readtime', waza_read_minutes($post->post_content));\n}\nadd_action('save_post_post', 'waza_save_read_minutes', 20, 2);\n<\/code><\/pre><\/div>\n
600\u6587\u5b57\u306e\u5883\u754c\u3092\u78ba\u8a8d\u3059\u308b<\/h2>\n
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\"600\u6587\u5b57\u306e\u672c\u6587\u66f4\u65b0\u5f8c\u306b\u8aad\u3080\u76ee\u5b891\u5206\u306b\u306a\u3063\u305f\u5b9f\u753b\u9762\"<\/a>
600\u6587\u5b57\u3078\u66f4\u65b0\u3057\u305f\u5f8c\u306e\u8aad\u3080\u76ee\u5b891\u5206\u306e\u8868\u793a\u30022026\u5e7410\u67083\u65e5\u3001\u9694\u96e2\u3057\u305fWordPress 7.1.2 \/ SWELL 2.19.0\u3067\u64ae\u5f71\u3002<\/figcaption><\/figure>\n
HTML\u3092\u542b\u3080600\u6587\u5b57\u306e\u672c\u6587\u3067\u4fdd\u5b58\u5024\u3092\u78ba\u304b\u3081\u308b<\/h2>\n
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<?php\n$minutes = get_post_meta(get_the_ID(), 'readtime', true);\nif (is_numeric($minutes) && (int) $minutes > 0) {\n    echo '<p>\u8aad\u3080\u76ee\u5b89: ' . esc_html((string) (int) $minutes) . '\u5206<\/p>';\n}<\/code><\/pre><\/div>\n
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\n