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This article introduces the relevant knowledge of "how to calculate the difference between two times by a few days". In the operation of actual cases, many people will encounter such a dilemma, so let the editor lead you to learn how to deal with these situations. I hope you can read it carefully and be able to achieve something!

Methods: 1, using strtotime () function to format two specified times as time stamps, syntax is "strtotime (specified time)"; 2, subtract two time stamps to obtain the time difference of two seconds; 3, convert the time difference of seconds into the time difference of days, and the syntax is "time difference of seconds / 86400".

This article operating environment: Windows10 system, PHP7.1 version, Dell G3 computer

How does php calculate the difference between two times by a few days

1. Use strtotime function to format time into timestamp.

The strtotime () function parses the date or time description of any English text into an Unix timestamp (seconds since January 1 1970 00:00:00 GMT).

The syntax is:

Strtotime ('year-month-day hours: minutes: seconds')

Examples are as follows:

Output result:

2. Subtract the two timestamps to get the time difference between the two times

3. Dividing the acquired time difference by 86400 is the number of days between the two times.

Examples are as follows:

Output result:

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