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This article is about how php calculates what day it is this year. The editor thinks it is very practical, so share it with you as a reference and follow the editor to have a look.

Methods: 1, use the "time ()" function to obtain the timestamp of the current time; 2, use the date () function and z character to format the obtained timestamp into the day of the year, and the syntax is "date (" z ", timestamp)"; 3, use the echo statement to output the number of days obtained.

Operating environment of this tutorial: windows10 system, PHP7.1 version, DELL G3 computer

How does php calculate what day today is this year?

The time () function returns the number of seconds in the current time since the Unix era (January 1 1970 00:00:00 GMT).

The syntax is:

Time ()

The PHP date () function is used to format the time / date.

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

The syntax is:

String date (string $format [, int $timestamp])

The first required parameter of the date () function, format, specifies how the date / time is formatted.

Z represents the day ordinal of the year

Examples are as follows:

Output result:

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