In the provided PHP code, what modifications can be made to ensure that data is properly inserted into the database fields, such as the "Bearbeiter" field not being left blank or displaying as "0"?

The issue can be solved by checking if the "Bearbeiter" field is not empty before inserting it into the database. If it is empty, a default value can be assigned to ensure that it is not inserted as "0". This can be achieved by using a conditional statement to set a default value if the field is empty. 

// Check if the Bearbeiter field is empty, if so, assign a default value
if(empty($bearbeiter)) {
    $bearbeiter = "Unknown";
}

// Insert data into the database
$sql = "INSERT INTO table_name (Bearbeiter, other_field1, other_field2) VALUES ('$bearbeiter', '$other_field1', '$other_field2')";
$result = mysqli_query($conn, $sql);

if($result) {
    echo "Data inserted successfully";
} else {
    echo "Error: " . $sql . "<br>" . mysqli_error($conn);
}

Keywords

PHP database insertion data validation empty field zero value

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