How to calculate the difference in days in php

php method to calculate the difference in days: first create a PHP sample file; then define two time points; then use strtotime to format the time into a timestamp; finally, directly output "$days" to obtain The difference in days.

#The operating environment of this article: Windows7 system, PHP7.1, Dell G3 computer.

php calculates the number of days difference between two dates, processing time interval

Example: Want to get the number of days difference between 2016-04-10 and 2016-06-15.

$begin_date = strtotime('2016-04-10');
$end_date = strtotime('2016-06-15');
$days = round(($end_date - $begin_date) / 3600 / 24);

Strtotime has been used to format the time into a timestamp, and $days is output directly to obtain the number of days difference.

Attached is also a method for handling time intervals. (Recommended: "PHP Video Tutorial")

/*
 * 处理时间问题
 */
public function get_time($from,$to){
    if($to > $from){
        $miao = $to - $from;
    }else{
        $miao = $from - $to;
    }
    $hour = floor($miao/3600);
    $minute = floor(($miao-$hour*3600)/60);
    $second = $miao - $hour * 3600 - $minute * 60 ;
    $str = '';
    if($hour > 0){
        $str .= $hour.'时';
    }
    if($minute > 0){
        $str .= $minute.'分';
    }
    if($second){
        $str .= $second.'秒';
    }
    return $str;
}

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