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How to use "hook_theme" and "hook_preprocess" function in drupal7 custom module?

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mymodule.module
<?php
  /**
   * Implementation of hook_menu().
   */
  function mymodule_menu() {
    $items['products'] = array(
      'title' => 'Products',
      'page callback' => 'products_by_categories',
      'access callback' => TRUE,
      'type' => MENU_CALLBACK,
    );
    return $items;
  }

  /**
   * Products By Categories Function
   */
  function products_by_categories() {
    return theme('products');
  }


  /**
   * Implements hook_theme().
   */
  function mymodule_theme() {
    return array(
      'products' => array(
        'variables' => array(),
        'template' => 'templates/products-template',
      ),              
    );
  }


/**
 * Implementation of hook_preprocess().
 */
function mymodule_preprocess(&$variables, $hook) {
  if($hook == 'products') {
    $products = db_select('product_with_categories', 'pwc')
                  ->fields('pwc')
                  ->execute()
                  ->fetchAll();
    $variables['results'] = $products;
  }
}
?>

templates/products-template.tpl.php
<?php
  //write any things and you get all info in $results variable which are defined in hook_preprocess function in .module file.
  foreach ($results as $key => $value) {

  }

?>

Comments

  1. Ravi Varma25 June 2021 at 00:32

    Only MNC & established companies are using DFP(doubleclick for publishers) at this point. so learn doubleclick for publishers to get hired in these companies.

    ReplyDelete

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