| 标题 | php计算给定时间之前的函数用法实例 |
| 范文 | 这里给定一个时间，计算这个时间在多久前，比如：2天前，1年前 <?php function prettyDate($date){ $time = strtotime($date); $now = time(); $ago = $now - $time; if($ago < 60){ $when = round($ago); $s = ($when == 1)?"second":"seconds"; return "$when $s ago"; }elseif($ago < 3600){ $when = round($ago / 60); $m = ($when == 1)?"minute":"minutes"; return "$when $m ago"; }elseif($ago >= 3600 && $ago < 86400){ $when = round($ago / 60 / 60); $h = ($when == 1)?"hour":"hours"; return "$when $h ago"; }elseif($ago >= 86400 && $ago < 2629743.83){ $when = round($ago / 60 / 60 / 24); $d = ($when == 1)?"day":"days"; return "$when $d ago"; }elseif($ago >= 2629743.83 && $ago < 31556926){ $when = round($ago / 60 / 60 / 24 / 30.4375); $m = ($when == 1)?"month":"months"; return "$when $m ago"; }else{ $when = round($ago / 60 / 60 / 24 / 365); $y = ($when == 1)?"year":"years"; return "$when $y ago"; } } echo prettyDate("2012-07-22 12:23:45")."<br />"; echo prettyDate("2010-11-12 22:25:45")."<br />"; echo prettyDate("2012-01-01 01:00:00")."<br />"; echo prettyDate("2001-05-30 00:00:00")."<br />"; |
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