Question

How to use cal_days_in_month() function to return the number of days in a month for a specified year in PHP

Answer 1

$num_days = cal_days_in_month(CAL_GREGORIAN, 2, 2016); // CAL_GREGORIAN

echo "$num_days days in February 2016";


/*
run:

29 days in February 2016  
   
*/

 

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Answer 2

$num_days = cal_days_in_month(CAL_JEWISH, 2, 2016);  // CAL_JEWISH

echo "$num_days days in February 2016";


/*
run:

29 days in February 2016  
   
*/

 

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Answer 3

$num_days = cal_days_in_month(CAL_JULIAN, 2, 2016);  // CAL_JULIAN

echo "$num_days days in February 2016";


/*
run:

29 days in February 2016  
   
*/

 

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