wpcf7_file_mail_tag() │ CF7 1.0

Хуков нет.

Возвращает

null. Ничего (null).

Использование

wpcf7_file_mail_tag( $replaced, $submitted, $html, $mail_tag );
$replaced (обязательный)
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$submitted (обязательный)
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$html (обязательный)
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$mail_tag (обязательный)
-

Код wpcf7_file_mail_tag() CF7 5.9.8

contact-form-7/modules/file.php 
function wpcf7_file_mail_tag( $replaced, $submitted, $html, $mail_tag ) {
	$submission = WPCF7_Submission::get_instance();
	$uploaded_files = $submission->uploaded_files();
	$name = $mail_tag->field_name();

	if ( ! empty( $uploaded_files[$name] ) ) {
		$paths = (array) $uploaded_files[$name];
		$paths = array_map( 'wp_basename', $paths );

		$replaced = wpcf7_flat_join( $paths, array(
			'separator' => wp_get_list_item_separator(),
		) );
	}

	return $replaced;
}