/**
* Determines how to handle this field's creation
* either calls a callback function or runs this class' course of action
* logs an error if it fails
*
* @return void
*/
public function doField()
{
if ($this->conditional) {
if ($this->display_callback && is_callable($this->display_callback)) {
// if there's a callback, run it
call_user_func($this->display_callback);
} elseif (in_array($this->type, $this->valid_field_types)) {
// the specified type exists, run the appropriate method
$field = call_user_func(array($this, $this->type));
// filter the output
$field = apply_filters('tribe_field_output_' . $this->type, $field, $this->id, $this);
echo apply_filters('tribe_field_output_' . $this->type . '_' . $this->id, $field, $this->id, $this);
} else {
// fail, log the error
Tribe__Events__Main::debug(__('Invalid field type specified', 'the-events-calendar'), $this->type, 'notice');
}
}
}