WP-Database-Helper/bootstrap.php

<?php
// Define Helpers
function genericDeepCopy(mixed $data): mixed {
    if (is_array($data)) {
        $copy = [];
        foreach ($data as $key => $value)
            $copy[$key] = genericDeepCopy($value);
        return $copy;
    }
    elseif (is_object($data)) {
        // If the object supports a copy method.
        if (method_exists($data, 'copy'))
            return $data->copy();
        // Use PHP's clone as fallback.
        return clone $data;
    }
    else {
        // Scalar variables.
        return $data;
    }
}

// Require all enums
require 'enums/Propagation.php';
require 'enums/Aggregation.php';
require 'enums/Operator.php';
require 'enums/Order.php';
require 'enums/Charset.php';
require 'enums/Collation.php';
require 'enums/Type.php';
require 'enums/Engine.php';
require 'enums/Join.php';

// Require all classes
require 'Database.php';
require 'Conditionable.php';
require 'Deletion.php';
require 'Insertion.php';
require 'Migration.php';
require 'Query.php';
require 'Schema.php';
require 'Table.php';
require 'Update.php';