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In your template.php, use hook_theme() API function to override the output of the theme. As an example, we use the code below in template.php: <?php/**** In this case, we are overriding user_login functions*/function yourtheme_theme() {  return array(    'user_login' => array(      'template' => 'user-login',      'arguments' => array('form' => NULL),    ),  );}?>

Here, I would mention top 3 Drupal Modules without which all Drupal development is waste and which makes Drupal development for most kind of applications a breeze without writing much of code. Writing lesser code also means lesser chances that your code would crash or not work. The list to useful Drupal modules is almost endless and it is very difficult to find out important drupal modules, but there are 3 giants command on whom is must for every Drupal developer: Drupal CCK:

<?php$node = node_load(10);print theme_uc_product_add_to_cart($node);?>

I was getting the following error:[Wed Feb 04 08:09:30 2009] [error] [client xxx.xxx.xxxx.xxx] PHP Parse error: syntax error, unexpected '<' in /sites/all/modules/views/views.module(542) : eval()'d code on line 1 I wrote this code in view.module line 542 to debug: $result = eval($view->view_args_php);global $user;if ($user->uid== 1){

How do you invoke or embed a content type node form in Drupal 6? Following code shows how to: <?php global $user; $type = 'garden'; $node = array('uid' => $user->uid, 'name' => $user->name, 'type' => $type); module_load_include('inc', 'node', 'node.pages');  $form = drupal_get_form($type .'_node_form',  $node); print_r($form);?>

<?php if ($messages): ?>   <div id="TB_overlay" class="TB_overlayBG" onclick="tb_remove()"/>      <div id="TB_window" style="margin-left: -165px; width: 330px; margin-top: -97px; display: block;">

<?php$view = views_get_view('view_name'); // fetch the view$display_id = 'default'; // chose the display type$view->set_display($display_id);$view->is_cacheable = FALSE;

function hook_block($op = 'list', $delta = 0, $edit = array()) {    switch ($op) {        case 'list':            $blocks[0]['info'] = t('Example Block');            return $blocks;        case 'view':        default:            $view = views_get_view('view_name');             $view->set_display('default');

Load a view: <?php$view = views_get_view('view_name');?> Initalize it and add arguments. Fiddle with options as needed: