How does php determine whether the specified date is the day before?
This article mainly introduces "php how to judge whether the specified date is the previous day". In the daily operation, I believe many people have doubts about how php judges whether the specified date is the previous day. The editor consulted all kinds of materials and sorted out simple and easy-to-use methods of operation. I hope it will be helpful for you to answer the doubt that "php how to judge the designated date is the previous day". Next, please follow the editor to study!
Judgment methods: 1, using the "strtotime" statement to convert the specified date into a time st 2, using the "time ()" statement to obtain the current time st 3, subtracting the two time stamps to get the time difference; 3, using the "floor (time difference / 86400)" to convert the time difference into the number of days apart, if the interval is one day, it is the previous day.
Operating environment of this tutorial: windows7 system, PHP7.1 version, DELL G3 computer
In php, to determine whether the specified date is the previous day, you can change it to whether the specified date is one day apart from the current date, that is, the problem of time difference.
Realize the idea:
Use the strtotime () function to convert the specified date to a timestamp
Get the current timestamp with the time () function
Subtract the two timestamps to get the time difference
Divide the time difference by the total number of seconds of the day (24,60,60,86400), round it with floor (), and change the time difference to a few days apart.
Judge whether the interval of days is 1.
Implementation code:
At this point, the study on "how to determine whether the specified date is the previous day by php" is over. I hope to be able to solve your doubts. The collocation of theory and practice can better help you learn, go and try it! If you want to continue to learn more related knowledge, please continue to follow the website, the editor will continue to work hard to bring you more practical articles!
