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PHP Reference

Quick Reference

The PHP cal_days_in_month() function returns the number of days in a month for a specified year and calendar.

				
					<?php
$d = cal_days_in_month(CAL_GREGORIAN, 2, 2023);
echo 'There were ' . $d . ' days in February 2023.';
?>
				
			

Output

				
					There were 28 days in February 2013.
				
			

Syntax

				
					cal_days_in_month(calendar, month, year)
				
			

Parameters

ParameterDescription
calendarSpecifies the calendar to use (required)

  • CAL_GREGORIAN

  • CAL_JULIAN

  • CAL_JEWISH

  • CAL_FRENCH

  • CAL_NUM_CALS

  • CAL_DOW_DAYNO

  • CAL_DOW_SHORT

  • CAL_DOW_LONG

  • CAL_MONTH_GREGORIAN_SHORT

  • CAL_MONTH_GREGORIAN_LONG

  • CAL_MONTH_JULIAN_SHORT

  • CAL_MONTH_JULIAN_LONG

  • CAL_MONTH_JEWISH

  • CAL_MONTH_FRENCH

  • CAL_EASTER_DEFAULT.3

  • CAL_EASTER_ROMAN.3

  • CAL_EASTER_ALWAYS_GREGORIAN.3

  • CAL_EASTER_ALWAYS_JULIAN.3

  • CAL_JEWISH_ADD_ALAFIM_GERESH

  • CAL_JEWISH_ADD_ALAFIM

  • CAL_JEWISH_ADD_GERESHAYIM

monthSpecifies the month in the selected calendar (required)
yearSpecifies the year in the selected calendar (required)

We’d like to acknowledge that we learned a great deal of our coding from W3Schools and TutorialsPoint, borrowing heavily from their teaching process and excellent code examples. We highly recommend both sites to deepen your experience, and further your coding journey. We’re just hitting the basics here at 1SMARTchicken.

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