Set Duration for Password Reset Link

password-reset-link-duration.php

<?php

if ( ! defined( 'ABSPATH' ) ) exit; // Exit if accessed directly

/**
 * password-reset-link-duration.php
 */

add_filter( 'password_reset_expiration', 'cf_password_reset_link_expiration', 99, 1 );
function cf_password_reset_link_expiration($seconds){

	$iDays = 7; // Set number of days
	$iExpiration = $iDays*24*60*60; 
	return $iExpiration;
}