Pedigree/Family Tree using HTML table


For my recent project, i wanted to create a family tree structure for parent-child relationships. After a lot searches, i decided to build it using HTML table.

Lets begin…

First of all, we are going to write a render function which has an array of data to be shown.

$arrPedigree = array(
array(
'name' => 'Parent',
'children' => array(
array(
'name' => 'Child 1',
'children' => array(
array(
'name' => 'Sub Child 11',
'children' => array(
array(
'name' => 'Sub Sub Child 111',
),
array(
'name' => 'Sub Sub Child 112',
),
)
),
array(
'name' => 'Sub Child 12'
)
)
),
array(
'name' => 'Child 2',
'children' => array(
array(
'name' => 'Sub Child 21'
),
array(
'name' => 'Sub Child 22'
)
)
)
)
)
);
view raw pedigree.php hosted with ❤ by GitHub

Finally we need to loop through the array to create the structure and we’ll use some CSS classes to draw some lines for connecting parent to its children.

Pedigree/Family Tree
Pedigree/Family Tree

Download Code Here

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3 thoughts on “Pedigree/Family Tree using HTML table

  1. Hi!

    I would like something like this but in horizontal mode!

    Do you have an example of that to?

    With regards
    Marcus

    • You might have to adjust the existing logic to render them child nodes in columns instead of rows. Or you can just apply CSS transform to rotate it to horizontally.

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