php determine day of week

PHP determines what day of the week it is today

php’s date() function is very powerful, and you can use it rationally Various parameters can meet various needs in our daily development. Today I will talk about how to use PHP to determine what day of the week it is today.

PHP date() parameter description

The w parameter is mainly used here. The explanation of this parameter is: w represents the day of the week, and the number represents 0 (meaning Sunday) to 6 (meaning Saturday), with this everything is very simple.

Example:

//php获取今天是星期几
function getWeek($unixTime=''){
$unixTime=is_numeric($unixTime)?$unixTime:time();
$weekarray=array('日','一','二','三','四','五','六');
return '星期'.$weekarray[date('w',$unixTime)];
 
echo getWeek();

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