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How to determine what day of the week a specified date is in php?

青灯夜游
青灯夜游Original
2020-11-05 16:56:113611browse

Method: First define the array of "array("日","一","二","三","四","五","六")"; then use "date( "w",strtotime("specified date"))" converts the date into a number representing the week; finally, use the number as a subscript and retrieve the corresponding week value from the array.

How to determine what day of the week a specified date is in php?

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php method to determine the day of the week for a specified date

<?php
header(&#39;content-type:text/html;charset=utf-8&#39;);
$weekarray=array("日","一","二","三","四","五","六");
echo "星期".$weekarray[date("w",strtotime("2020-11-4"))]."<br>";
echo "星期".$weekarray[date("w",strtotime("2020-10-1"))];
?>

Output:

星期三
星期四

w format of date() function: Use numbers to represent the day of the week, 0 (representing Sunday) to 6 (representing Saturday)

php determines what day of the week it is today:

<?php
header(&#39;content-type:text/html;charset=utf-8&#39;);
$weekarray=array("日","一","二","三","四","五","六");
echo "今天是星期".$weekarray[date("w")];
?>

Output:

今天是星期四

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