function ahah_example_simplest_callback in Examples for Developers 6

This callback has nothing to do with the form itself, so just returns a bit of HTML that will replace the existing markup in $form['box'].

1 string reference to 'ahah_example_simplest_callback'

ahah_example_menu in ahah_example/ahah_example.module

Implement hook_menu().

File

ahah_example/ahah_example_simplest_ahah.inc, line 44

A Hello-world AHAH. Just swaps out a markup section on submit.

Code

function ahah_example_simplest_callback() {
  $colors = preg_split('/[ ,]+/', "aqua, black, blue, fuchsia, gray, green, lime, maroon, navy, olive, purple, red, silver, teal, white, yellow");
  $color = $colors[array_rand($colors)];
  $output = '<div style="background-color:' . $color . '; width: 150px; height: 150px; border: 1px solid black;">This is ' . $color . ' box</div>';
  drupal_json(array(
    'status' => TRUE,
    'data' => $output,
  ));
  exit;
}