[20, 02, 1900] // (int) -> macht die variable in ein zahl $tag = (int) $datum_array[0]; $monat = (int) $datum_array[1]; // bsp 02 => 2 $jahr = (int) $datum_array[2]; $cq = ceil($monat / 3); echo "(CEIL) Quartal: ". $cq ."
"; echo "--------------------
"; switch ($monat) { case 1: case 2: case 3: $scc = 1; break; case 4: case 5: case 6: $scc = 2; break; case 7: case 8: case 9: $scc = 3; break; case 10: case 11: case 12: $scc = 4; break; default: echo "Ungültiger Monat"; exit; } echo "(SC) QURTAL: ". $scc . "
"; ?>