Contact Form 7 подмена тела письма собственным шаблоном

snippet-cf7.php

add_action( 'wpcf7_before_send_mail', 'replace_email_body', 10, 3 );

/**
 * @param WPCF7_ContactForm $contact_form
 * @param bool $abort
 * @param WPCF7_Submission $submission
 *
 * @return void
 */
function replace_email_body( $contact_form, $abort, $submission ): void {

	$mail_body = $submission->get_posted_data();

	$product_id  = $mail_body['product_id'];
	$product_qty = $mail_body['product_qty'];

	$product = wc_get_product($product_id);

	$text = ! empty( $mail_body['text'] ) ? sanitize_text_field( wp_unslash( $mail_body['text'] ) ) : '';
	$email = ! empty( $mail_body['email'] ) ? sanitize_text_field( wp_unslash( $mail_body['email'] ) ) : '';
	$tel = ! empty( $mail_body['tel'] ) ? sanitize_text_field( wp_unslash( $mail_body['tel'] ) ) : '';

	$mail = $contact_form->prop( 'mail' );

	ob_start();

	load_template(
		dirname( __FILE__ ) . '/templates/email.php',
		true,
		[
			'mail'    => [
				'name' => $text,
				'email'=>$email,
				'phone'=>$tel,
			],
			'product' => $product,
		]
	);

	$mail['body'] = ob_get_clean();

	$contact_form->set_properties( [ 'mail' => $mail ] );

}