PHP如何查找自日期时间以来的时间?

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如何查找自日期时间戳(如2010-04-28 17:25:43,最后输出的文本应该是xx Minutes Ago/xx Days Ago

提问于
用户回答回答于

我就是这样做的:

$time = strtotime('2010-04-28 17:25:43');

echo 'event happened '.humanTiming($time).' ago';

function humanTiming ($time)
{

    $time = time() - $time; // to get the time since that moment
    $time = ($time<1)? 1 : $time;
    $tokens = array (
        31536000 => 'year',
        2592000 => 'month',
        604800 => 'week',
        86400 => 'day',
        3600 => 'hour',
        60 => 'minute',
        1 => 'second'
    );

    foreach ($tokens as $unit => $text) {
        if ($time < $unit) continue;
        $numberOfUnits = floor($time / $unit);
        return $numberOfUnits.' '.$text.(($numberOfUnits>1)?'s':'');
    }

}

我还没测试过,但应该能用。

结果会是

event happened 4 days ago

event happened 1 minute ago
用户回答回答于

例子:

echo get_time_ago(strtotime('now'));

结果:

不到1分钟前

function get_time_ago($time_stamp)
{
    $time_difference = strtotime('now') - $time_stamp;

    if ($time_difference >= 60 * 60 * 24 * 365.242199)
    {
        /*
         * 60 seconds/minute * 60 minutes/hour * 24 hours/day * 365.242199 days/year
         * This means that the time difference is 1 year or more
         */
        return get_time_ago_string($time_stamp, 60 * 60 * 24 * 365.242199, 'year');
    }
    elseif ($time_difference >= 60 * 60 * 24 * 30.4368499)
    {
        /*
         * 60 seconds/minute * 60 minutes/hour * 24 hours/day * 30.4368499 days/month
         * This means that the time difference is 1 month or more
         */
        return get_time_ago_string($time_stamp, 60 * 60 * 24 * 30.4368499, 'month');
    }
    elseif ($time_difference >= 60 * 60 * 24 * 7)
    {
        /*
         * 60 seconds/minute * 60 minutes/hour * 24 hours/day * 7 days/week
         * This means that the time difference is 1 week or more
         */
        return get_time_ago_string($time_stamp, 60 * 60 * 24 * 7, 'week');
    }
    elseif ($time_difference >= 60 * 60 * 24)
    {
        /*
         * 60 seconds/minute * 60 minutes/hour * 24 hours/day
         * This means that the time difference is 1 day or more
         */
        return get_time_ago_string($time_stamp, 60 * 60 * 24, 'day');
    }
    elseif ($time_difference >= 60 * 60)
    {
        /*
         * 60 seconds/minute * 60 minutes/hour
         * This means that the time difference is 1 hour or more
         */
        return get_time_ago_string($time_stamp, 60 * 60, 'hour');
    }
    else
    {
        /*
         * 60 seconds/minute
         * This means that the time difference is a matter of minutes
         */
        return get_time_ago_string($time_stamp, 60, 'minute');
    }
}

function get_time_ago_string($time_stamp, $divisor, $time_unit)
{
    $time_difference = strtotime("now") - $time_stamp;
    $time_units      = floor($time_difference / $divisor);

    settype($time_units, 'string');

    if ($time_units === '0')
    {
        return 'less than 1 ' . $time_unit . ' ago';
    }
    elseif ($time_units === '1')
    {
        return '1 ' . $time_unit . ' ago';
    }
    else
    {
        /*
         * More than "1" $time_unit. This is the "plural" message.
         */
        // TODO: This pluralizes the time unit, which is done by adding "s" at the end; this will not work for i18n!
        return $time_units . ' ' . $time_unit . 's ago';
    }
}

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