Code Examples -> Automatic generation of HTML code for a table. OO interface. Can define colspan, rowspan, table style, cell style, and data style. Simple, but effective.

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PHP Code Examples

Title :	Automatic generation of HTML code for a table. OO interface. Can define colspan, rowspan, table style, cell style, and data style. Simple, but effective.
Categories :	PHP, PHP Classes, HTML, HTML and PHP	Herman Veluwenkamp
Date :	Jan 19th 2000
Grade :	3 of 5 (graded 8 times)
Viewed :	14467
File :	No file for this code example.
Images :	No Images for this code example.

Search :	More code by Herman Veluwenkamp
Action :	Grade This Code Example
Tools :	My Examples List

Code

<html>
<head>
<title>Table</title>

<style type="text/css">
        .header { background: yellow; text-align: center; }
</style>

</head>
<body>

<?
class html_table {
        var $cols = 0;
        var $rows = 0;
        var $cell = array();
        var $html = '';
        var $cell_content = ' '; //default cell content.
        var $content_style = ''; //default content style. content is surrounded by <SPAN> tag.

        var $cell_style = ''; //default cell style
        var $table_style = ''; //default table style.

function cell_init() {
        return array(
                'content'=>$this->cell_content,                        // data to be inserted between <TD> tags.
                'style'=>$this->content_style,                        // if this is defined and not empty then "content" (defined above)

                                        // is encapsulated by a <SPAN STYLE='style'> tag.
                'cell_style'=>$this->cell_style);                // if this is defined and not empty then the <TD> tag that encapsulates

                                        // "content" has its "$cell_style" replaced by this variable.
}

function init($parameters) {
        if (isset($parameters['cols'])) $this->cols = $parameters['cols'];
        if (isset($parameters['rows']))$this->rows = $parameters['rows'];
        for ($row = 1; $row <= $this->rows; $row++) {
                for ($col = 1; $col <= $this->cols; $col++) {
                        $this->cell[$row][$col] = $this->cell_init();
                }
        }
}

function add_rows($num_rows) {
        for ($row = 1; $row <= $num_rows; $row++) {
                for ($col = 1; $col <= $this->cols; $col++) {
                        $this->cell[$row + $this->rows][$col] = $this->cell_init();
                }
        }
        $this->rows += $num_rows;
}

function add_cols($num_cols) {
        for ($row = 1; $row <= $this->rows; $row++) {
                for ($col = 1; $col <= $num_cols; $col++) {
                        $this->cell[$row][$col+$this->cols] = $this->cell_init();
                }
        }
        $this->cols += $num_cols;
}

function code() {
        if (!empty($this->html)) return 1;
        $this->html = '<TABLE '.$this->table_style.'>'."\n";
        for ($row = 1; $row <= $this->rows; $row++) {
                $this->html .= '<TR>'."\n";
                for ($col = 1; $col <= $this->cols; $col++) {
                        $extra = '';
                        //check if "colspan" defined. if so then hide cells that get merged.
                        if (isset($this->cell[$row][$col]['colspan'])) {
                                $extra .= 'COLSPAN="'.$this->cell[$row][$col]['colspan'].'"';
                                for ($hidden_col = 1; $hidden_col < $this->cell[$row][$col]['colspan']; $hidden_col++) {
                                        $this->cell[$row][$col+$hidden_col]["hide"] = true;
                                        //check if "rowspan" defined. if so then propogate "colspan" into merged rows.
                                        if (isset($this->cell[$row][$col]["rowspan"])) {
                                                for ($hidden_row = 1; $hidden_row < $this->cell[$row][$col]['rowspan']; $hidden_row++) {
                                                        $this->cell[$row+$hidden_row][$col]["colspan"] = $this->cell[$row][$col]['colspan'];
                                                }
                                        }
                                }
                        }
                        //check if "rowspan" defined. if so then hide cells that get merged.
                        if (isset($this->cell[$row][$col]["rowspan"])) {
                                $extra .= 'ROWSPAN="'.$this->cell[$row][$col]['rowspan'].'"';
                                for ($hidden_row = 1; $hidden_row < $this->cell[$row][$col]['rowspan']; $hidden_row++) {
                                        $this->cell[$row+$hidden_row][$col]["hide"] = true;
                                }
                        }
                        // code to draw cell html...
                        if (isset($this->cell[$row][$col]['hide'])) continue; // if hide then skip this cell.

                        // otherwise draw cell with style...
                        if (!empty($this->cell[$row][$col]['cell_style']))
                                $this->html .= '<TD '.$this->cell[$row][$col]['cell_style'].' '.$extra.'>';
                        else
                                $this->html .= '<TD '.$this->cell_style.' '.$extra.'>';

                        // draw content of cell with style...
                        if (!empty($this->cell[$row][$col]['style'])) $this->html .= '<SPAN STYLE="'.$this->cell[$row][$col]['style'].'">';
                        else if (!empty($this->content_style)) $this->html .= '<SPAN STYLE="'.$this->content_style.'">';

                        $this->html .= $this->cell[$row][$col]['content'];

                        if (!empty($this->cell[$row][$col]['style']) or !empty($this->content_style)) $this->html .= '</SPAN>';

                        $this->html .= '</TD>'."\n";

                }
                $this->html .= '</TR>'."\n";
        }
        $this->html .= '</TABLE>'."\n";
}

function display() {
        print $this->html;
}

}

/*
example below...
*/

$data = new html_table;

// define table size.
$data->init(array("cols"=>3, "rows"=>"3"));

// default styles.
$data->table_style = 'BORDER="1" CELLPADDING="2" CELLSPACING="2"';
$data->cell_style = 'WIDTH="100" ALIGN="center" BGCOLOR="white"';
$data->content_style = 'font: bold 9pt monospace;';

// define table content.
$data->cell[1][1]["content"]="apple";
$data->cell[2][2]["content"]="orange";
$data->cell[2][3]["content"]="pear";
$data->cell[3][1]["content"]="plum";
$data->cell[2][1]["content"]="grape";
$data->cell[1][1]["colspan"]=3;
$data->cell[2][3]["rowspan"]=2;
$data->cell[3][1]["colspan"]=2;

// define fancy styles for individual cells.
$data->cell[2][2]["style"] ='font: 18pt monospace;';
$data->cell[2][3]["style"] ='background: red';
$data->cell[1][1]["style"] ='color: red; font: italic 18pt sans-serif;';
$data->cell[3][1]["style"] ='color: white; font: bold 18pt serif;';
$data->cell[1][1]["cell_style"] = 'CLASS="header"';
$data->cell[3][1]["cell_style"] = 'ALIGN="right" bgcolor="blue"';

// code and display.
$data->code();
$data->display();
?>
</body>
</html>

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