PHP to judge how today is the day of the week

PHP's date () function is very powerful, reasonable use of the function of various parameters to achieve our day-to-day development of various requirements, today to talk about how to use PHP to determine how today is the day of the week method.

For an explanation of the PHP date () function, you can refer to this site article:

PHP date () parameter description

Here is the main use of the parameter of W, the explanation of this parameter is:

W represents the day of the week, with a number representing 0 (Sunday) to 6 (means Saturday)

With this all is very simple, the author directly put the code here, the details do not explain:

<?php
//php Get today is the week several
function getweek ($unixTime = ') {
	$unixTime =is_numeric ($unixTime)? $unixTime: Time ();
	$weekarray =array (' Day ', ' one ', ' two ', ' three ', ' four ', ' five ', ' six ');
	Return ' Week '. $weekarray [Date (' W ', $unixTime)];
}
Echo Getweek ();