How does php calculate the difference of several months between the specified days

This article mainly explains "how php calculates the difference between the specified days by several months". Interested friends may wish to take a look. The method introduced in this paper is simple, fast and practical. Let's let the editor take you to learn "how php calculates the difference of a few months during a specified day."

Php calculates the difference of several months: 1, use the strtotime () function to convert the two specified dates into a timestamp form; 2, use the "date ('masking, timestamp)" statement to get the months of the two specified dates; 3, subtract the two months obtained and calculate the difference of several months.

Operating environment of this tutorial: windows7 system, PHP7.1 version, DELL G3 computer

Php calculates a difference of several months between the specified day period

The specific implementation methods are as follows:

Output result:

Description:

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 PHP date () function formats the timestamp into a more readable date and time.

Four-digit representation of Y-year

The number of m-month (from 01 to 12)

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