What is the use of date (z) in php

This article mainly introduces what is the use of date (z) in php, it has a certain reference value, interested friends can refer to, I hope you can learn a lot after reading this article, let the editor take you to understand it.

In php, "date (z)" means to format the current local time, which is calculated as the day ordinal of the year (from 0 to 365). If the date () function sets the second parameter, the syntax "date (" z ", timestamp)", the specified timestamp can be calculated as the day of the year.

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

In PHP, the date () function formats the local date and time and returns the formatted date string.

Syntax:

Date (format,timestamp)

Format: specifies the format of the output date string. When the value is "z", it represents the day of the year (from 0 to 365).

Timestamp: specifies the Unix timestamp of the integer. The default is the current local time (time ()).

Example:

Because the number of days starts at 0, you can add 1 to it.

The output is as follows:

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