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                <?php
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                use SKien\XFPDF\XPDF;
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                /**
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                 * example to use the XPDF - class:
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                 * first, define own class extending XPDF to define table coloumns und to handle
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                 * the output of dynamic content.
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                 *
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                 * @author Stefanius
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                 */
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                class ExampleXPDF extends XPDF
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                {
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                    /** const for own column ID's */
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                    const MY_GRP_COL = 1;
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                    const MY_IMAGE_COL = 2;
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                    const MY_CALC_COL = 3;
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                    /** @var string remember month and year of the previous row */
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                    19
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                    protected string $strMonth = '';
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                    /**
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                     * define table columns
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                     * @param string $orientation
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                     */
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                    public function __construct(string $orientation = 'P')
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                    {
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                        // first call parent constructor for general initialization
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                        parent::__construct($orientation);
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                        // next we can specify the fonts and colors to use
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                        // This can be done by using the various font and color functions.
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                        // - SetXXXFont()
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                        // - SetXXXColors()
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                        //
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                        // However, it is faster and easier if all settings are made in a JSON file.
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                        // (and above reusable for multiple reports).
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                    37
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                        // The file name have to be passed to the InitGrid() method.
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                        //
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                    39
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                        // The structure of the JSON file is self-explanatory and can be seen in the example file
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                        // used here.
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                        $this->initGrid('xfpdf-sample.json');
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                        // set Logo printed in the page header
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                        $this->setLogo('images/elephpant.png');
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                        $this->setLogoHeight(9.0);
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                        $this->setPageFooter("Page: {PN}/{NP}\tAuthor: S.Kien\t{D} {T}");
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                        // now we define the columns of our report
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                        $this->addCol('Row', 10, 'R', XPDF::COL_ROW_NR, XPDF::FLAG_TOTALS_TEXT);
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                        $this->addCol('Date/Time', 40, 'C', 'date', XPDF::FLAG_DATE_TIME);
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                        $this->addCol('Text', -1, 'L', 'text', XPDF::FLAG_ELIPSIS);
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                        $this->addCol('Grp.', 12, 'C', self::MY_GRP_COL);
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                        $this->addCol('Weight', 20, 'R', 'weight', XPDF::FLAG_TOTALS_CALC | XPDF::FLAG_NUMBER);
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                        $iImgCol = $this->addCol(-1, 8, 'C', self::MY_IMAGE_COL, XPDF::FLAG_IMAGE | XPDF::FLAG_TOTALS_EMPTY);
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                        $this->addCol('Price', 25, 'R', 'price', XPDF::FLAG_TOTALS_CALC | XPDF::FLAG_CUR_SYMBOL);
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                        $this->addCol('Cost per kg', 25, 'R', self::MY_CALC_COL, XPDF::FLAG_TOTALS_EMPTY);
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                        // enable the totals/pagetotals and carry-over functionality
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                        $this->enableTotals(XPDF::TOTALS | XPDF::PAGE_TOTALS | XPDF::CARRY_OVER);
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                        $this->setTotalsText(
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                            "My Totals over all:",
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                            "Subtotal on Page {PN}:",
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                            "Carry over from Page {PN-1}:");
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                        // set number formating.
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                        $this->setNumberFormat(1, '', ' kg');
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                        // and set meassuring for the image col
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                        $this->setColImageInfo($iImgCol, 1.5, 2.5, 3);
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                    }
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                    /**
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                     * handle special content of cell
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                     * - any calculation
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                     * - formating
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                     * - ...
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                     * not included in raw data
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                     *
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                     * !! Important !!
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                     * dont't forget to call parent::col($iCol, $row, $bFill) if data not processed...
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                     *
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                     * (non-PHPdoc)
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                     * @see XPDF::col()
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                     */
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                    protected function col(int $iCol, array $row, bool &$bFill) : string
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                    86
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                    {
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                    87
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                        $strCol = '';
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                    88
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                        switch ($iCol) {
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                    89
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                            case self::MY_GRP_COL:
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                    90
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                                $aValues = array('', 'Grp. A', 'Grp. B', 'Grp. C', 'Grp. D');
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                    91
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                                if ($row['grp_id'] > 0 && $row['grp_id'] <= 4) {
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                    92
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                                    $strCol = $aValues[$row['grp_id']];
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                    93
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                                }
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                                break;
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                    95
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                            case self::MY_IMAGE_COL:
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                    96
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                                $strCol = 'images/';
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                    97
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                                $fltWeight = floatval($row['weight']);
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                    98
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                                if ($fltWeight > 35.0) {
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                    99
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                                    // ... to heavy
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                    100
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                                    $strCol .= 'red.png';
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                    101
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                                } else if ($fltWeight > 20.0) {
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                    102
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                                    // ... just in the limit
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                    103
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                                    $strCol .= 'yellow.png';
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                    104
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                                } else {
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                    105
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                                    $strCol .= 'green.png';
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                    106
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                                }
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                    107
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                                break;
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                    108
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                            case self::MY_CALC_COL:
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                    109
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                                $fltPricePerKg = 0.0;
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                    110
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                                if (floatval($row['weight']) != 0) {
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                    111
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                                    $fltPricePerKg = floatval($row['price']) / floatval($row['weight']);
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                    112
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                                }
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                    113
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                                $strCol = $this->formatCurrency($fltPricePerKg, true);
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                    114
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                                break;
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                    115
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                            default:
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                    116
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                                // very important to call parent class !!
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                    117
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                                $strCol = parent::col($iCol, $row, $bFill);
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                    118
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                                break;
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                    119
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                        }
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                    120
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                        return $strCol;
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                    121
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                    }
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                    122
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                    123
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                    /**
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                    124
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                     * the preRow() method may be used to
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                    125
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                     * - process internal state or properties
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                    126
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                                                     | 
                
                 | 
                     * - start of grouping
  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    127
                 | 
                                    
                                                     | 
                
                 | 
                     * - manipulate data of next row
  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    128
                 | 
                                    
                                                     | 
                
                 | 
                     * - insert some separator or subtitle within the grid
  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    129
                 | 
                                    
                                                     | 
                
                 | 
                     *
  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    130
                 | 
                                    
                                                     | 
                
                 | 
                     * pay attention on $row param is passed as reference so any changes affects
  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    131
                 | 
                                    
                                                     | 
                
                 | 
                     * further output.
  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    132
                 | 
                                    
                                                     | 
                
                 | 
                     *
  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    133
                 | 
                                    
                                                     | 
                
                 | 
                     * (non-PHPdoc)
  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    134
                 | 
                                    
                                                     | 
                
                 | 
                     * @see XPDF::preRow()
  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    135
                 | 
                                    
                                                     | 
                
                 | 
                     */
  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    136
                 | 
                                    
                                                     | 
                
                 | 
                    protected function preRow(array &$row) : string
  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    137
                 | 
                                    
                                                     | 
                
                 | 
                    {
 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    138
                 | 
                                    
                                                     | 
                
                 | 
                        // for grouping
  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    139
                 | 
                                    
                                                     | 
                
                 | 
                        $date = strtotime($row['date']);
  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    140
                 | 
                                    
                                                     | 
                
                 | 
                        $strMonth = date('Y-m', $date);
 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    141
                 | 
                                    
                                                     | 
                
                 | 
                        if ($this->strMonth != $strMonth) {
 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    142
                 | 
                                    
                                                     | 
                
                 | 
                            // first row we have no subtotals...
  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    143
                 | 
                                    
                                                     | 
                
                 | 
                            if ($this->strMonth != '') {
 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    144
                 | 
                                    
                                                     | 
                
                 | 
                                $this->endGroup();
  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    145
                 | 
                                    
                                                     | 
                
                 | 
                            }
  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    146
                 | 
                                    
                                                     | 
                
                 | 
                            $dt = new DateTime();
  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    147
                 | 
                                    
                                                     | 
                
                 | 
                            $dt->setTimestamp($date);
  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    148
                 | 
                                    
                                                     | 
                
                 | 
                            $oDateFormatter = new IntlDateFormatter($this->strLocale, 0, 0, null, null, 'MMMM Y');
  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    149
                 | 
                                    
                                                     | 
                
                 | 
                            $strDate = $oDateFormatter->format($dt);
  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    150
                 | 
                                    
                                                     | 
                
                 | 
                            $this->startGroup('Totals ' . $strDate . ':', $strDate);
 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    151
                 | 
                                    
                                                     | 
                
                 | 
                            $this->strMonth = $strMonth;
  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    152
                 | 
                                    
                                                     | 
                
                 | 
                        }
  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    153
                 | 
                                    
                                                     | 
                
                 | 
                        $strSubRow = '';
  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    154
                 | 
                                    
                                                     | 
                
                 | 
                        if ($this->iRow == 47) {
 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    155
                 | 
                                    
                                                     | 
                
                 | 
                            $strSubRow = '... next Row have been manipulated in ExampleXPDF::preRow(array &$row)!';
  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    156
                 | 
                                    
                                                     | 
                
                 | 
                            $row['text'] = 'manipulated Rowdata!';
  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    157
                 | 
                                    
                                                     | 
                
                 | 
                        }
  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    158
                 | 
                                    
                                                     | 
                
                 | 
                        if ($this->iRow == 56) {
 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    159
                 | 
                                    
                                                     | 
                
                 | 
                            $row['text'] = 'manipulated Rowdata without Subrow!';
  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    160
                 | 
                                    
                                                     | 
                
                 | 
                        }
  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    161
                 | 
                                    
                                                     | 
                
                 | 
                        return $strSubRow;
  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    162
                 | 
                                    
                                                     | 
                
                 | 
                    }
  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    163
                 | 
                                    
                                                     | 
                
                 | 
                
  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    164
                 | 
                                    
                                                     | 
                
                 | 
                    /**
  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    165
                 | 
                                    
                                                     | 
                
                 | 
                     * Overwrite the endGrid() method to close the last group.
  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    166
                 | 
                                    
                                                     | 
                
                 | 
                     * {@inheritDoc}
 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    167
                 | 
                                    
                                                     | 
                
                 | 
                     * @see \SKien\XFPDF\XPDF::endGrid()
  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
                | 
                    168
                 | 
                                    
                                                     | 
                
                 | 
                     */
  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    169
                 | 
                                    
                                                     | 
                
                 | 
                    public function endGrid() : void
  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    170
                 | 
                                    
                                                     | 
                
                 | 
                    {
 | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    171
                 | 
                                    
                                                     | 
                
                 | 
                        // end last group for subtotals before we call the parent (!!! don't forget that!!)
  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    172
                 | 
                                    
                                                     | 
                
                 | 
                        $this->endGroup();
  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    173
                 | 
                                    
                                                     | 
                
                 | 
                        parent::endGrid();
  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    174
                 | 
                                    
                                                     | 
                
                 | 
                    }
  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
                | 
                    175
                 | 
                                    
                                                     | 
                
                 | 
                }
  | 
            
            
                                                        
            
                                    
            
            
                | 
                    176
                 | 
                                    
                                                     | 
                
                 | 
                 |