<?php

/* include the Block Layout wrapper file */
include_once 'includes/pnTemplate7x.php';

/* your PN API compliant module function */
function BL_user_main()
{
    // get input variables, check security, retrieve items etc.
    // ...

    // fill in the $data array with the template variables you want to use
    $data = array();
    // a simple variable
    $data['test'] = 'this is the value of variable "test"';
    // a more complex data structure you're going to use in a loop
    $data['items'] = array(
                           array('name' => 'name1', 'value' => 'value1'),
                           array('name' => 'name2', 'value' => 'value2'),
                           array('name' => 'name3', 'value' => 'value3'),
                     );
    // another variable
    $data['myval'] = 2;
    // ...

    // let Block Layout "fill in" the template and return the output
    return pnTplModule('BL','user','main',$data);

    // or if you want to use different templates, based on some decision in
    // your function code, you can specify a particular template to be used
    // if ($this == true) {
    //     $template = 'thisone';
    // } else {
    //     $template = 'thatone';
    // }
    // ...
    // return pnTplModule('BL','user','main',$data,$template);
}

/* this also works for old-style (non-PN API) modules */

include 'header.php';

echo BL_user_main();

include 'footer.php';
?>