Notice: Undefined variable: paginationInfo in C:xampphtdocstable.php on line 187

Notice: Undefined variable: paginationCtrls in C:xampphtdocstable.php on line 188

<?php
class Table {
    public $connect;
    public $dbHost;
    public $dbUsername;
    public $dbPassword;
    public $dbName;

    public function __construct() {
        $this->dbHost = "localhost";
        $this->dbUsername = "root";
        $this->dbPassword = "";
        $this->dbName = "44tem";
        $this->connect = mysqli_connect(
            $this->dbHost,
            $this->dbUsername,
            $this->dbPassword,
            $this->dbName
        ) or die("Não foi possível estabelecer uma conexão ao banco de dados!");
    }

    public function generateTable(array $parameters) {
        if (array_key_exists("tableName", $parameters) && !empty($parameters["tableName"])) {
            $tableName = mysqli_real_escape_string($this->connect, $parameters["tableName"]);
            try {
                if (!mysqli_query($this->connect, "DESCRIBE $tableName")) {
                    throw new Exception("Erro: a tabela informada não existe!");
                }
            } catch (Exception $e) {
                die($e->getMessage());
            }
        } else {
            die("Erro: é necessário informar o nome da tabela a ser gerada!");
        }
        if (array_key_exists("tableId", $parameters)) {
            $tableId = $parameters["tableId"];
        } else {
            die("Erro: é necessário informar o ID da tabela a ser gerada!");
        }
        if (array_key_exists("displayRows", $parameters) && !empty($parameters["displayRows"])) {
            $displayRows = $parameters["displayRows"];
            $getColumnNames = mysqli_query($this->connect, "DESCRIBE $tableName");
            $tableColumnNames = [];
            while ($column = mysqli_fetch_array($getColumnNames)) {
                if (array_key_exists($column["Field"], $displayRows)) {
                    array_push($tableColumnNames, $displayRows[$column["Field"]]);
                } else if (in_array($column["Field"], $displayRows)) {
                    array_push($tableColumnNames, $column["Field"]);
                }
            }
            if (empty($tableColumnNames)) {
                echo "Erro: nenhuma coluna válida foi informada!";
            }
        } else {
            die("Erro: é necessário informar no mínimo uma coluna a ser mostrada!");
        }
        if (array_key_exists("searchTerm", $parameters) && !empty($parameters["searchTerm"])) {
            $searchTerm = mysqli_real_escape_string($this->connect, $parameters["searchTerm"]);
            if (array_key_exists("searchColumn", $parameters)) {
                $searchColumn = mysqli_real_escape_string($this->connect, $parameters["searchColumn"]);
                $sql = "SELECT * FROM $tableName WHERE $searchColumn LIKE '%".$searchTerm."%'";
            } else {
                die("Erro: é necessário informar o nome da coluna de referência para buscas!");
            }
        } else {
            $sql = "SELECT * FROM $tableName";
        }
        $query = mysqli_query($this->connect, $sql);
        $totalRows = mysqli_num_rows($query);
        if (array_key_exists("tablePagination", $parameters) && !empty($parameters["tablePagination"])) {
            $tablePagination = $parameters["tablePagination"];
            if (array_key_exists("rowsPerPage", $tablePagination) && !empty($parameters["rowsPerPage"])) {
                $rowsPerPage = mysqli_real_escape_string($this->connect, $parameters["rowsPerPage"]);
                if ($rowsPerPage > $totalRows) {
                    $rowsPerPage = $totalRows;
                } else if ($rowsPerPage < 1) {
                    $rowsPerPage = 1;
                }
                $totalPages = ceil($totalRows / $rowsPerPage);
                if ($totalPages < 1) {
                    $totalPages = 1;
                }
                if (array_key_exists("pageNumber", $parameters)) {
                    $pageNumber = preg_replace(
                        "#[^0-9]#",
                        "",
                        mysqli_real_escape_string($this->connect, $parameters["pageNumber"])
                    );
                    if ($pageNumber < 1) {
                        $pageNumber = 1;
                    } else if ($pageNumber > $totalPages) {
                        $pageNumber = $totalPages;
                    }
                } else {
                    $pageNumber = 1;
                }
                $pageLimit = "LIMIT " . ($pageNumber - 1) * $rowsPerPage . "," . $rowsPerPage;
                if (isset($searchTerm)) {
                    $sql = "SELECT * FROM $tableName WHERE $searchColumn LIKE '%".$searchTerm."%' $pageLimit";
                } else {
                    $sql = "SELECT * FROM $tableName $pageLimit";
                }
                $query = mysqli_query($this->connect, $sql);
                $paginationInfo = "Total (<b>$totalRows</b>), Página <b>$pageNumber</b> de <b>$totalPages</b>";
                $paginationCtrls = "";
                if ($totalPages != 1) {
                    if ($pageNumber > 1) {
                        $previousPage = $pageNumber - 1;
                        // Check if we aren't on the first page, and then generate the "Previous"
                        $paginationCtrls .= '
                            <li class="page-item" data-page="'.$previousPage.'">
                                <a class="page-link">&laquo;</a>
                            </li>';
                        // Render clickable number links that should appear on the left of the actual page number
                        for ($i = $pageNumber - 4; $i < $pageNumber; $i++) {
                            if ($i > 0) {
                                $paginationCtrls .= '
                                    <li class="page-item" data-page="'.$i.'">
                                        <a class="page-link">'.$i.'</a>
                                    </li>';
                            }
                        }
                    }

                    // Render the actual page number, but without it being a link
                    $paginationCtrls .= '
                        <li class="page-item active" data-page="'.$pageNumber.'">
                            <a class="page-link">'.$pageNumber.'</a>
                        </li>';

                    // Render the clickable number links that should appear on the right of the actual page number
                    for ($i = $pageNumber + 1; $i < $totalPages; $i++) {
                        $paginationCtrls .= '
                            <li class="page-item" data-page="'.$i.'">
                                <a class="page-link">'.$i.'</a>
                            </li>';
                        if ($i >= $pageNumber + 4) {
                            break;
                        }
                    }

                    // This checks if we aren't on the last page, and then generate the "Next"
                    if ($pageNumber != $totalPages) {
                        $nextPage = $pageNumber + 1;
                        $paginationCtrls .= '
                            <li class="page-item" data-page="'.$nextPage.'">
                                <a class="page-link">&raquo;</a>
                            </li>';
                    }
                }
            } else {
                $rowsPerPage = 10;
            }
        } else {
            echo "No pagination...";
        }
        // Generate the table
        echo "<table id=".$tableId.">";
        echo "<thead>";
        echo "<tr>";
        foreach ($displayRows as $tableRow) {
            echo "<th data-scope='col'>".$tableRow."</th>";
        }
        if (array_key_exists("editRows", $parameters) && $parameters["editRows"] == true) {
            echo "<th data-scope='col'>Ações</th>";
        }
        echo "</tr>";
        echo "</thead>";
        echo "<tbody>";
        while ($row = mysqli_fetch_array($query)) {
            echo "<tr>";
            foreach (array_keys($displayRows) as $tableRow) {
                if (array_key_exists($tableRow, $row)) {
                    echo "<td data-label=".$displayRows[$tableRow].">".$row[$tableRow]."</td>";
                } else {
                    echo "<td>---</td>";
                }
            }
            if (array_key_exists("editRows", $parameters) && $parameters["editRows"] == true) {
                echo "<td data-label='Ações'>Edit</td>";
            }
            echo "</tr>";
        }
        echo "</tbody>";
        echo "</table>";
        if (isset($tablePagination)) {
            echo "<p class='mt-3 text-center'>".$paginationInfo."</p>";
            echo "<ul class='pagination justify-content-center'>".$paginationCtrls."</ul>";
        }
    }
}
?>