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CREATE TABLE gugus ( ID int NOT NULL, fk_untersuchungen int NULL ); INSERT INTO gugus (id, fk_untersuchungen) VALUES (1, NULL); SELECT id, fk_untersuchungen FROM gugus WHERE id = 1;
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<?php // Run query using mysqli $query = "SELECT id, fk_untersuchungen FROM gugus WHERE id = 1;"; $result = $mysqli->query($query); $obj = $result->fetch_object(); print_r($obj); //echo $obj->id; //echo $obj->fk_untersuchungen; //$minuten_vorher = 0; $minuten_vorher += $obj->fk_untersuchungen; //$minuten_vorher += 10; $minuten_vorher = $minuten_vorher * 60; $start = "2023-03-23 10:00:00"; echo "\n".date('Y-m-d\TH:i:s', strtotime($start) - $minuten_vorher); echo "\n".$minuten_vorher;
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