How to convert time type in php

php method for time type conversion: 1. Use the function [strtotime()] to convert [Y-m-d] to a timestamp, such as [strtotime ('2017-08-22')]; 2. Use the function [date()] converts the timestamp into [Y-m-d H:i:s].

php method for time type conversion:

php time format conversion function is date( ),strtotime() function, PHP’s native time class can also convert time format.

1. Convert Y-m-d to timestamp Example:

2017-08-22 转化为时间戳    
strtotime（‘2017-08-22’）；

2. Convert timestamp to Y-m-d H:i:s

date("Y-m-d H:i:s",strtotime('2017-08-22'));

3. Time Ymd format is converted to Y-m-d

date（“Y-m-d”，strtotime("20170822")）；

You can also directly convert using the native php class

var_dum(\DateTime::createFromFormat('Ymd','20170822')->format('Y-m-d'));

4. Get the current timestamp: 1. time(); 2. date('U');

5. Tomorrow's time format

date("Y-m-d H:i:s",strtotime(+1 day));

Get the date for a period of time Search the code

$end = new \DateTime($end);
$end = $end->modify( '+1 day' );
$interval = new \DateInterval('P1D');// yii中引用原生的php类加\,因为有命名空间
$daterange = new \DatePeriod($start, $interval ,$end);//查询这个时间段内所有的日期
foreach($daterange as $date){
    $single_date = $date->format("Ymd");//每个日期都改成20170022的格式
    $this->run_curl($url,$post_data,$project,$flow,$single_date,$timeBegin,$timeEnd);
}

$datarange is the date within the time period.

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