Drupal table render example

drupal_table_example.php

<?php
  // Table header
  $header = array(
    'fruit' => t('Fruit'),
    'a'     => t('Vitamin A'),
    'b1'    => t('Vitamin B1'),
    'b2'    => t('Vitamin B2'),
  );
 
  // Table rows
  $rows = array(
    // Row 1
    array(
      'fruit' => t('Apple'),
      'a'     => '98 IU',
      'b1'    => '0.031 mg',
      'b2'    => '0.047 mg',
    ),
    // Row 2
    array(
      'fruit' => t('Banana'),
      'a'     => '76 IU',
      'b1'    => '0.037 mg',
      'b2'    => '0.086 mg',
    ),
    // Row 3
    array(
      'fruit' => t('Orange'),
      'a'     => '295 IU',
      'b1'    => '0.114 mg',
      'b2'    => '0.052 mg',
    ),
  );
 
$build['form'] = drupal_get_form('my_form_function');
$build['table'] = array(
 '#theme' => 'table',
  '#header' => $header,
  '#rows' => $rows,
  '#attributes' => array('id' => 'custom-id','style' => 'width:100%;', 'class' => array('custom-class')),
  '#empty' => t('No data to display.'),
);
return $build;