All In One SEOを辞めて、必要なものを自作する

<?php
  // Title,Descriptionの変数設定
  if (function_exists('get_field') && is_singular()) {
    $seo_title = get_field('seo_title');
    if (!empty($seo_title)) {
      $seo_title_text = esc_html($seo_title);
    } else {
      ob_start();
      wp_title('|', true, 'right');
      bloginfo('name');
      $seo_title_text = ob_get_clean();
    }
    $seo_description = get_field('seo_description');
    if (!empty($seo_description)) {
      $seo_description_text = esc_attr($seo_description);
    } else {
      ob_start();
      bloginfo('description');
      $seo_description_text = ob_get_clean();
    }
  } else {
    ob_start();
    wp_title('|', true, 'right');
    bloginfo('name');
    $seo_title_text = ob_get_clean();
    ob_start();
    bloginfo('description');
    $seo_description_text = ob_get_clean();
  }
?>

<!-- Title -->
<title><?php echo $seo_title_text; ?></title>
<!-- Description -->
<meta name="description" content="<?php echo $seo_description_text; ?>">
<!-- Canonical -->
<link rel="canonical" href="https://<?php echo $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI']; ?>">
<!-- No Index -->
<?php
  if (function_exists('get_field') && is_singular()) {
    $seo_noindex = get_field('seo_noindex');
    if ($seo_noindex) {
      echo '<meta name="robots" content="noindex">';
    }
  }
?>

<!-- OGP -->
<meta property="og:title" content="<?php echo $seo_title_text; ?>">
<meta property="og:description" content="<?php echo $seo_description_text; ?>">
<meta property="og:type" content="<?php echo is_singular() ? 'article' : 'website'; ?>">
<meta property="og:url" content="https://<?php echo $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI']; ?>">
<meta property="og:image" content="<?php
  if (function_exists('get_field') && is_singular()) {
    $ogp_image = get_field('ogp_image');
    if (!empty($ogp_image)) {
      echo esc_url($ogp_image);
    } else {
      echo get_stylesheet_directory_uri() . '/設置したい画像ファイル';
    }
  } else {
    echo get_stylesheet_directory_uri() . '/設置したい画像ファイル';
  }
?>">
<meta property="og:site_name" content="<?php bloginfo('name'); ?>">