gregoriantojd()

 int gregoriantojd ( int $month , int $day , int $year )

<?Php
echo gregoriantojd(12,22,2021); // Output is 2459571
echo "<br>";
echo gregoriantojd(13,22,2021); // Output is 0
echo "<br>";
echo gregoriantojd(11,32,2019); // Output is 0
echo "<br>";
echo gregoriantojd(2,30,2019); // Output is 2458545
?>

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