PHP把秒转换成天数，小时数和分钟

2015/08/09 39199

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function secsToStr($secs) {
    if($secs>=86400){$days=floor($secs/86400);$secs=$secs%86400;$r=$days.' day';if($days<>1){$r.='s';}if($secs>0){$r.=', ';}}
    if($secs>=3600){$hours=floor($secs/3600);$secs=$secs%3600;$r.=$hours.' hour';if($hours<>1){$r.='s';}if($secs>0){$r.=', ';}}
    if($secs>=60){$minutes=floor($secs/60);$secs=$secs%60;$r.=$minutes.' minute';if($minutes<>1){$r.='s';}if($secs>0){$r.=', ';}}
    $r.=$secs.' second';if($secs<>1){$r.='s';}
    return $r;
}

用法： 
<?php
$seconds = "56789";
$output = secsToStr($seconds);
echo $output;
?>