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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
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