PHP determines the day of the week based on a specified date.

You can use PHP. date Function with parameters "l" Get the day of the week for a specified date.

Here is an example code that determines a specified date. '2023-07-24' What day of the week is it?:

$date = '2023-07-24'; 
$dayOfWeek = date('l', strtotime($date)); 
echo $dayOfWeek; // 输出：Sunday

First, we assign the specified date to a variable. $dateThen, use it. strtotime The function converts a date string into a Unix timestamp. Then, this timestamp is passed as the second argument to date Function with specified parameters "l"We can obtain the full name of the day of the week. Finally, display the result on the screen.

For Your Attention,strtotime The function is highly sensitive to date formatting; therefore, ensure that the dates provided comply with the standard date format.