Create an array of holidays for any given year!

Code Snippets
#1

I wrote a small Class that gives the major holidays in an array using OOP obviously, for I am developing an online calendar and daily appointment booking. So I thought I share this little script to save people some time, who are developing their own calendars and what have you:

[php]<?php

class Holidays {
public $holidays = [
‘new_years_day’ => NULL,
‘easter_sunday’ => NULL,
‘memorial_day’ => NULL,
‘fourth_of_july’ => NULL,
‘labor_day’ => NULL,
‘halloween’ => NULL,
‘thanksgiving_day’ => NULL,
‘christmas_day’ => NULL
];

protected $year = NULL;
    

public function __construct($year = 2015) {
    $this->holidays = $this->generate_holidays($year);
}

protected function generate_holidays($year) {
    
    $this->year = new DateTime('1-1-' . $year,  new DateTimeZone('America/Detroit')); // Set the year that is to generate the holidays:
    
    /* New Year's Day */
    $this->holidays['new_years_day'] = $this->year->format('l, F j, Y');
    /* Easter Sunday */       
    $this->holidays['easter_sunday'] = $this->year->modify('@' . easter_date($this->year->format("Y")))->format('l, F j, Y');
   /* Memorial Day */
    $this->holidays['memorial_day'] = $this->year->modify('Last monday of may')->format('l, F j, Y');
   /* Fourth of July */
   $this->holidays['fourth_of_july'] = $this->year->modify('July 4, ' . $year)->format('l, F j, Y');
   /* Labor Day */
   $this->holidays['labor_day'] = $this->year->modify('First monday of september')->format('l, F j, Y');
   /* Halloween */
   $this->holidays['halloween'] = $this->year->modify('October 31, ' . $year)->format('l, F j, Y');
   /* Thanksgiving Day */
   $this->holidays['thanksgiving_day'] = $this->year->modify('Fourth thursday of November')->format('l, F j, Y');
   /* Christmas Day */
   $this->holidays['christmas_day'] = $this->year->modify('December 25, ' . $year)->format('l, F j, Y');
   /* Return Array to Constructor */
    return $this->holidays;
}

}

/* Create a new instance of the class Holidays with the year you want for the holidays */
$myDate = new Holidays(2016);

/* Grab the array of dates of the holidays for that given year */
$holidays = $myDate->holidays;

echo ‘

’ . print_r($holidays, 1) . ‘
’;

[/php]

#2

Strider64, wasn’t there a public class somewhere where you can pull the holidays from for the US?
Seems like I remember that. I did a lot with calendars a couple years ago and seems like there was
a way to pull them in from somewhere.

Also, I remember using fullcalendar-1.5.3 which was a nice add-on library with a lot of simple code to
allow you to mark days for events and recurring items like birthdays.

You always come up with nice classes. keep them coming… Thanks, Ernie…

#3

function buildHolidayArray($year){

 $holidays = array();
 // new years day
 array_push($holidays, mktime(1,1,1, 1, 1, $year));
 // christmas day
array_push($holidays, mktime(1,1,1, 12, 25, $year));
// easter
array_push($holidays, easter_date($year));

return $holidays;
}

#4

Updated the original code to just Federal holidays. Also added check to see if the date falls on a Sunday then to declare Monday as the Holiday. There is also another rule that if the holiday falls on a Saturday then the Friday is the holiday. For what I was working on, that was not a consideration so did not include that check, but easy to add.

<?php
class Holidays {
    public $holidays = [
    ];
    protected $year = NULL;

    public function __construct($year = 2015) {
        $this->holidays = $this->generate_holidays($year);
    }

    protected function generate_holidays($year) {
        $this->year = new DateTime('1-1-' . $year,  new DateTimeZone('America/Detroit')); // Set the year that is to generate the holidays:

        /* New Year's Day */
        $dow = $this->year->format('w');
        if ($dow != '0')
            $this->holidays['new_years_day'] = $this->year->format('l, F j, Y');
        else
            $this->holidays['new_years_day'] = $this->year->modify('January 2, ' . $year)->format('l, F j, Y');
        /* MLK Day */
        $this->holidays['mlk_day'] = $this->year->modify('Third Monday of January')->format('l, F j, Y');
        /* Washington's Birthday */
        $this->holidays['wash_day'] = $this->year->modify('Third Monday of February')->format('l, F j, Y');
        /* Easter Sunday */
        $this->holidays['memorial_day'] = $this->year->modify('Last monday of may')->format('l, F j, Y');
        /* Fourth of July */
        $dow = $this->year->modify('July 4, ' . $year)->format('w');
        if ($dow != '0')
            $this->holidays['fourth_of_july'] = $this->year->modify('July 4, ' . $year)->format('l, F j, Y');
        else
            $this->holidays['fourth_of_july'] = $this->year->modify('July 5, ' . $year)->format('l, F j, Y');
        /* Labor Day */
        $this->holidays['labor_day'] = $this->year->modify('First monday of september')->format('l, F j, Y');
        /* Columbus Day */
        $this->holidays['columbus_day'] = $this->year->modify('Second Monday of October')->format('l, F j, Y');
        /* Veterans Day */
        $dow = $this->year->modify('November 11, ' . $year)->format('w');
        if ($dow != '0')
            $this->holidays['veterans_day'] = $this->year->modify('November 11, ' . $year)->format('l, F j, Y');
        else
            $this->holidays['veterans_day'] = $this->year->modify('November 12, ' . $year)->format('l, F j, Y');
        /* Thanksgiving Day */
        $this->holidays['thanksgiving_day'] = $this->year->modify('Fourth thursday of November')->format('l, F j, Y');
        /* Christmas Day */
        $dow = $this->year->modify('December 25, ' . $year)->format('w');
        if ($dow != '0')
            $this->holidays['christmas_day'] = $this->year->modify('December 25, ' . $year)->format('l, F j, Y');
        else
            $this->holidays['christmas_day'] = $this->year->modify('December 26, ' . $year)->format('l, F j, Y');
       /* Return Array to Constructor */
        return $this->holidays;
    }
}

for ($year = 2020; $year < 2030; $year++) {
    /* Create a new instance of the class Holidays with the year you want for the holidays */
    $myDate = new Holidays($year);

    /* Grab the array of dates of the holidays for that given year */
    $holidays = $myDate->holidays;

    echo "\n", '---------- ', $year, ' ------------' , "\n";
    echo print_r($holidays, 1), "\n";
}
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