Calculate Number of Days in a Month using PHP

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PHP cal_days_in_month()

The cal_days_in_month() it function to return the number of days in a month of a specified year and calendar.

This is the form of this function:


calendar (required) Specifies the calendar to use
month (required) Specifies the month
year (required) Specifies the year

The following example shows the basic on how to use the cal_days_in_month() function.

  1. <?php
  2. $a=cal_days_in_month(CAL_GREGORIAN,10,2005);
  3. echo (“There was $a days ” . “in October 2005”);
  4. ?>

This is the output of the codes above.

There was 31 days in October 2005

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