<?php


if (!function_exists('data_diff')) {
    /**
     * Get the active class if the condition is not falsy
     *
     * @param        $condition
     * @param string $activeClass
     * @param string $inactiveClass
     *
     * @return string
     */
    function data_diff($origin, $target) {
        $origin     =   new DateTime($origin);
        $target     =   new DateTime($target);
        $interval   =   $origin->diff($target);

        $y          =   $interval->format("%y");
        $m          =   $interval->format("%m");
        $d          =   $interval->format("%d");
        $limit      =   '';

        if (!empty($y)) {$limit .= "{$y}年";}
        if (!empty($m)) {$limit .= "{$m}个月";}
        if (!empty($d)) {$limit .= "{$d}天";}

        return $limit;
    }
}

if (!function_exists('coverData')) {
    /**
     * 字符串转换为对应值的字符串
     * @param $str
     * @param $data
     * @return string
     */
    function coverData($str, $data): string
    {
        $arr = explode(',', $str);
        $rs = [];
        foreach ($arr as $value) {
            if (isset($data[$value])) {
                $rs[] = $data[$value];
            }
        }
        return join(' ', $rs);
    }
}