How can PHP developers efficiently process and store checkbox and multiselect values from a form submission into a database based on specific criteria like EG_ID and EZ_ID?

To efficiently process and store checkbox and multiselect values from a form submission into a database based on specific criteria like EG_ID and EZ_ID, you can use PHP to iterate through the values submitted, check if they are selected, and then insert them into the database table accordingly. 

// Assuming form submission data is stored in variables $EG_ID, $EZ_ID, and $checkbox_values

// Connect to your database
$mysqli = new mysqli("localhost", "username", "password", "database");

// Loop through the checkbox values and insert them into the database
foreach ($checkbox_values as $value) {
    $selected = isset($_POST[$value]) ? 1 : 0; // Check if the checkbox is selected
    $sql = "INSERT INTO your_table_name (EG_ID, EZ_ID, checkbox_value, selected) VALUES ('$EG_ID', '$EZ_ID', '$value', '$selected')";
    $mysqli->query($sql);
}

// Close the database connection
$mysqli->close();

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