PHP shows today is the day of the week with the code for each day of the year

PHP shows today is the day of the week with the code for each day of the year

Public Function Getpart ($part) {
$source = $this->timestamp;
Switch ($part)
{
Case ' yy ': $result = intval (Date ("Y", $source)); Break Years
Case ' mm ': $result = intval (Date ("M", $source)); Break Month
Case ' dd ': $result = intval (Date ("D", $source)); Break Day
Case ' W ': $result = intval (Date ("N", $source)); Break Week [1-7] "1" Expression Monday
Case ' CW ': $index = Date ("N", $source); Chinese Week
$week _array = Array (' 1 ' => ' one ', ' 2 ' => ' II ', ' 3 ' => ' III ', ' 4 ' => ' IV ', ' 5 ' => ' V ', ' 6 ' => ' Six ', ' 7 ' => ' Day ');
$result = ' Week '. $week _array[$index];

Break
Case ' h ': $result = intval (Date ("H", $source)); Break When
Case ' m ': $result = intval (Date ("I", $source)); Break Part
Case ' s ': $result = intval (Date ("s", $source)); Break Seconds
Case ' yw ': $result = intval (Date ("W", $source)); Break The first few weeks of the year
Case ' yd ': $result = intval (Date ("Z", $source)); Break The first day of the year
Default://All
$week _array = Array (' 1 ' => ' one ', ' 2 ' => ' II ', ' 3 ' => ' III ', ' 4 ' => ' IV ', ' 5 ' => ' V ', ' 6 ' => ' Six ', ' 7 ' => ' Day ');
$result = Array (
' yy ' => intval (date ("Y", $source)),//year
' mm ' => intval (date ("M", $source)),//month
' DD ' => intval (date ("D", $source)),//day
' W ' => intval (date ("N", $source)),//week [1-7] "1" means Monday
' CW ' => ' Week '. $week _array[date ("N", $source)],//Chinese week
' H ' => intval (date ("H", $source)),//
' m ' => intval (date ("I", $source)),//min
' s ' => intval (date ("s", $source)),//sec
);
Break
}