skeleton/qry_u_todo_item_done.php

<?php

function qry_u_todo_item_done($datafile, $item_id, $value)
{
    debug("Loading data from $datafile", __FILE__, __LINE__);    
    $items = require($datafile);
    debug(count($items) . " items found", __FILE__, __LINE__);

    for ($i=0; $i<count($items); $i++)
    {
        if ($items[$i]['id'] == $item_id)
        {
            break;
        }
    }

    debug("Found item at array index $i", __FILE__, __LINE__);
    
    $items[$i]['done'] = $value;
        
    debug("Writing out new $datafile", __FILE__, __LINE__);
    $fh = fopen($datafile, 'w');
    fputs($fh, "<?php return(" . var_export($items, true) . ");\n");
    fclose($fh);
}