// Contact Form7のお問い合せフォーム項目にひらがなが無ければ送信不可
add_filter('wpcf7_validate_textarea', 'wpcf7_validation_textarea_hiragana', 10, 2);
add_filter('wpcf7_validate_textarea*', 'wpcf7_validation_textarea_hiragana', 10, 2);
function wpcf7_validation_textarea_hiragana($result, $tag)
{
  $name = $tag['name'];
  $value = (isset($_POST[$name])) ? (string) $_POST[$name] : '';
  if ($value !== '' && !preg_match('/[ぁ-ん]/u', $value)) {
    $result['valid'] = false;
    $result['reason'] = array($name => 'エラー：こちらの内容は送信できません。');
  }
  return $result;
}<?xml version="1.0" encoding="UTF-8"?><rss version="2.0"
	xmlns:content="http://purl.org/rss/1.0/modules/content/"
	xmlns:dc="http://purl.org/dc/elements/1.1/"
	xmlns:atom="http://www.w3.org/2005/Atom"
	xmlns:sy="http://purl.org/rss/1.0/modules/syndication/"
	
	>
<channel>
	<title>
	CARESS（カレス） / お台場 へのコメント	</title>
	<atom:link href="https://one-foodie.com/1608/feed/" rel="self" type="application/rss+xml" />
	<link>https://one-foodie.com/1608/?utm_source=rss&#038;utm_medium=rss&#038;utm_campaign=caress%25ef%25bc%2588%25e3%2582%25ab%25e3%2583%25ac%25e3%2582%25b9%25ef%25bc%2589-%25e3%2581%258a%25e5%258f%25b0%25e5%25a0%25b4</link>
	<description>愛犬といけるおしゃれごはんメディア</description>
	<lastBuildDate>Sat, 11 Jun 2022 11:02:42 +0000</lastBuildDate>
	<sy:updatePeriod>
	hourly	</sy:updatePeriod>
	<sy:updateFrequency>
	1	</sy:updateFrequency>
	<generator>https://wordpress.org/?v=6.5.2</generator>
</channel>
</rss>