Show smiley's button which will insert the smileys to the given textarea and form.
displaysmileys( string $textarea [, string $form ] ) : string
$textarea (string) (Required) The id of the textarea.
$form (string) (Optional) The form id in which the textarea is located. Default value: inputform
(string) Option for users to insert smileys in a post by displaying the smiley's button.
echo openform('testform', 'post');
echo displaysmileys('test_textarea', 'testform');
echo form_textarea('test_textarea');
echo closeform();