What are the calculation time functions of php?
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First, function realization
Example 1:
The copy code is as follows:
Function time_tran ($the_time) {
$now_time = date ("Y-m-d H:i:s", time () + 8 / 60 / 60)
$now_time = strtotime ($now_time)
$show_time = strtotime ($the_time)
$dur = $now_time-$show_time
If ($dur
< 0){ return $the_time; }else{ if($dur < 60){ return $dur.'秒前'; }else{ if($dur < 3600){ return floor($dur/60).'分钟前'; }else{ if($dur < 86400){ return floor($dur/3600).'小时前'; }else{ if($dur < 259200){//3天内 return floor($dur/86400).'天前'; }else{ return $the_time; } } } 实例2： 复制代码 代码如下: 实例3： 复制代码 代码如下: function formatTime($date) { $str = ''; $timer = strtotime($date); $diff = $_SERVER['REQUEST_TIME'] - $timer; $day = floor($diff / 86400); $free = $diff % 86400; if($day >0) {
Return $day. "days ago"
} else {
If ($free > 0) {
$hour = floor ($free / 3600)
$free = $free% 3600
If ($hour > 0) {
Return $hour. "hours ago"
} else {
If ($free > 0) {
$min = floor ($free / 60)
$free = $free 60
If ($min > 0) {
Return $min. "minutes ago"
} else {
If ($free > 0) {
Return $free. "seconds ago"
} else {
Return 'just'
}
}
} else {
Return 'just'
}
}
} else {
Return 'just'
}
}
}
Example 4:
The copy code is as follows:
Function time_tran ($the_time) {
$now_time = date ("Y-m-d H:i:s", time () + 8 / 60 / 60)
$now_time = strtotime ($now_time)
$show_time = strtotime ($the_time)
$dur = $now_time-$show_time
If ($dur < 0) {
Return $the_time
} else {
If ($dur < 60) {
Return $dur.' Seconds ago.
} else {
If ($dur < 3600) {
Return floor ($dur/60).' Minutes ago.
} else {
If ($dur < 86400) {
Return floor ($dur/3600).' An hour ago.
} else {
If ($dur < 259200) {/ / within 3 days
Return floor ($dur/86400).' Days ago.
} else {
Return $the_time
}
}
}
}
}
}
Second, the realization of the class
The copy code is as follows:
