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<?php $date = strtotime('2014-01-15'); #$date = '2014-01-15'; echo date('Y-m-d',$date).PHP_EOL; $daysbefor1979 = '25568'; $start = strtotime("1900-01-01"); echo $start.PHP_EOL; $diff = ($date - $start); echo $diff.PHP_EOL; $days = ($diff / 86400); echo $days.PHP_EOL; /*echo date('Y-m-d', jdtounix(gregoriantojd(12, 31, 1899) + 41603)).PHP_EOL;*/ $erg = round(($daysbefor1979+$days), 0); echo $erg.PHP_EOL; $days1 = round(($days-$daysbefor1979), 0); echo $days1.PHP_EOL; $diff1 = ($days1*86400); echo $diff1.PHP_EOL;
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33, 8.0.0 - 8.0.12, 8.0.14 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
2014-01-15 -2208989972 3598730372 41651.971898148 67220 16084 1389657600
Output for 7.3.32 - 7.3.33, 8.0.13
2014-01-15 -2208988800 3598732800 41652 67220 16084 1389657600

preferences:
173.39 ms | 401 KiB | 249 Q