How does php judge what day of the week according to the time stamp?

This article is about how php determines what day of the week it is based on timestamps. The editor thinks it is very practical, so share it with you as a reference and follow the editor to have a look.

In PHP, you can use the date () function to determine the day of the week based on the timestamp, which formats the timestamp into a readable date-time string; the syntax format "date (" w ", timestamp);", "w" specifies that the timestamp is formatted as a number representing the week, 0 for Sunday and 6 for Saturday.

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

In PHP, the date () function can be used to determine the day of the week based on the timestamp.

The date () function formats the local date and time and returns the formatted date string.

Syntax:

Date (format,timestamp)

When format is set to "w", you can specify that the timestamp be formatted as a number representing the week, (0 for Sunday [Sunday], 6 for Saturday [Saturday]).

Output:

six

Let's optimize the code:

Output:

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