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@ 2014-01-29T18:55:34Z

<?php

function days_in_month($year, $month) { 
    return( date( "t", mktime( 0, 0, 0, $month, 1, $year) ) ); 
}

Output
Performance
VLD
References
Branches

mktime: documentation ( source)
date: documentation ( source)

preferences:dark modelive preview

34.15 ms | 402 KiB | 5 Q