<?php

/**
 * Class HtmlTable
 */
class HtmlTable
{

    /**
     * Table data array
     *
     * @var
     */
    private $_table = [];

    /**
     * Overall header rows count
     *
     * @var int
     */
    private $_headerRowsCount = 0;

    /**
     * @var array
     */
    private $_currentRowCells = [];

    /**
     * HtmlTable constructor.
     * @param string $w
     * @param bool $class
     */
    public function __construct($w = '100%', $class = false)
    {
        $this->_table[] = "<table style='min-width:{$w};'" . ($class ? " class=\"{$class}\"" : '') . ">";
    }

    /**
     * @param array $headerRows
     * @return $this
     */
    public function writeTableHeader($headerRows = [])
    {
        if ($headerRows) {
            $this->_headerRowsCount = count($headerRows);
            array_push($this->_table, "\t<thead>\r\n\t\t<tr>");

            foreach ($headerRows as $row) {
                array_push($this->_table, "\t\t\t<th>{$row}</th>");
            }
            array_push($this->_table, "\t\t</tr>\n\t</thead>");
        }

        return $this;
    }

    /**
     * @return $this
     */
    public function writeRow()
    {
        if ($this->_currentRowCells != []) {
            $this->closeRow();
        }

        $this->_currentRowCells[] = "\t<tr>";
        return $this;
    }

    /**
     *
     */
    private function closeRow()
    {
        array_push($this->_currentRowCells, "\t</tr>");
        array_push($this->_table, implode("\r\n", $this->_currentRowCells));
        $this->_currentRowCells = [];
    }

    /**
     * @param null $data
     * @return $this
     * @throws Exception
     */
    public function writeCell($data = null)
    {
        if (in_array(count($this->_currentRowCells), range(0, $this->_headerRowsCount)) || $this->_headerRowsCount == 0) {
            $this->_currentRowCells[] = "\t\t<td>$data\n\t\t</td>";
            return $this;
        }

        throw new Exception('Cell is out of bounds');
    }

    /**
     * @return string
     */
    public function getTable()
    {
        $this->closeRow();
        array_push($this->_table, '</table>');
        return implode("\r\n", $this->_table);
    }
}


$htmlTableBuilder = (new HtmlTable('100%', 'table table-responsive'))
    ->writeTableHeader(['id', 'name', 'surname', 'salary']);

$htmlTableBuilder
    ->writeRow()
    ->writeCell(1)
    ->writeCell('Data 1')
    ->writeCell('Data 2')
    ->writeCell('$ 450');

$htmlTableBuilder
    ->writeRow()
    ->writeCell(2)
    ->writeCell('Data 1')
    ->writeCell('Data 2')
    ->writeCell('$ 275');

file_put_contents('./html_table.html', $htmlTableBuilder->getTable());