wpcf7_mail_html_body хук-фильтрCF7 1.0

Использование

add_filter( 'wpcf7_mail_html_body', 'wp_kama_wpcf7_mail_html_body_filter', 10, 2 );

/**
 * Function for `wpcf7_mail_html_body` filter-hook.
 * 
 * @param  $body 
 * @param  $that 
 *
 * @return 
 */
function wp_kama_wpcf7_mail_html_body_filter( $body, $that ){

	// filter...
	return $body;
}
$body
-
$that
-

Где вызывается хук

WPCF7_Mail::htmlize()
wpcf7_mail_html_body
contact-form-7/includes/mail.php 213
$body = apply_filters( 'wpcf7_mail_html_body', $body, $this );

Где используется хук в Contact Form 7

contact-form-7/includes/mail.php 3
add_filter( 'wpcf7_mail_html_body', 'wpcf7_mail_html_body_autop', 10, 1 );