PHP计算时间差,并返回什么时间之前发表的内容
<?php header("Content-type: text/html; charset=utf-8"); function time2Units ($time){ $year = floor($time / 60 / 60 / 24 / 365); $time -= $year * 60 * 60 * 24 * 365; $month = floor($time / 60 / 60 / 24 / 30); $time -= $month * 60 * 60 * 24 * 30; $week = floor($time / 60 / 60 / 24 / 7); $time -= $week * 60 * 60 * 24 * 7; $day = floor($time / 60 / 60 / 24); $time -= $day * 60 * 60 * 24; $hour = floor($time / 60 / 60); $time -= $hour * 60 * 60; $minute = floor($time / 60); $time -= $minute * 60; $second = $time; $elapse = ''; $unitArr = array('年' =>'year', '个月'=>'month', '周'=>'week', '天'=>'day', '小时'=>'hour', '分钟'=>'minute', '秒'=>'second' ); foreach ( $unitArr as $cn => $u ){ if ( $$u > 0 ){ $elapse = $$u . $cn; break; } } return $elapse;
} $past = strtotime("2015-01-12 21:49:00"); // Some timestamp in the past $now = time(); // Current timestamp $diff = $now - $past; echo '发表于' . time2Units($diff) . '前'; ?>
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