How does php define the membership time as seven days
Sometimes our website will have a membership system, which involves There is a question about membership time and expiration time. How to implement a function to set membership to expire after 7 days? Let’s learn together.
1. First, we can get the membership start time $start_time from the database;
2. Then get the current time from time() and subtract it;
3. If the time difference is greater than 86400, it expires.
The following program simulates the membership start time.
<?php $start_time = 1307319997; $a= $start_time - time(); if(abs($a)>86400){ echo "与当前时间差距在7天以上"; }else{ echo "与当前时间差距不超过7天"; } ?>
$date = date('Y-m-d', strtotime('-7 days')); //Keep the year-month-day
echo echo date(” Y-m-d H:i:s”,strtotime(”-7 day”)); //Keep year-month-day hour: minute: second
strtotime('-7 days') What you get is the timestamp
strtotime('now')); //Get the current timestamp
time() //Get the timestamp
More PHP related knowledge , please visit PHP Chinese website!
The above is the detailed content of How to define membership time as seven days in php. For more information, please follow other related articles on the PHP Chinese website!