How to convert time to week in php

PHP method to convert time into week: 1. Get the day of the week through "date('w',$time);" method; 2. Through "date('W',$time);" Get the week number of the current year.

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1. date('w',$time); What you get is the day of the week 0-6

2, date('W',$time); What you get is the week of the year 1-53

PHP date( ) Function

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

Tip timestamp is a character sequence that represents the date/time when a certain event occurred.

Syntax

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

Parameters

format required. Specifies the format of the timestamp.

timestamp Optional. Specify timestamp. The default is the current date and time.

PHP Date() - Format date

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

Here are some of the characters available:

d - 代表月中的天 (01 - 31)
m - 代表月 (01 - 12)
Y - 代表年 (四位数)

For a list of all the characters available in the format parameter, check out our PHP Date Reference Manual, date() function.

You can insert other characters between letters, such as "/", "." or "-", so that you can add additional formatting:

<?php
echo date("Y/m/d") . "<br>";
echo date("Y.m.d") . "<br>";
echo date("Y-m-d");
?>

The output of the above code is as follows :

2016/10/21
2016.10.21
2016-10-21

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