get_type() . '-labels',
];
if ($this->is_vertical()) {
$classes[] = 'vertical';
}
return $classes;
}
public function render(): string
{
$elements = $this->get_elements();
if ( ! $elements) {
return '';
}
$template = '%s
';
return sprintf($template, implode(' ', $this->get_classes()), implode("\n", $elements));
}
private function get_elements(): ?array
{
if ($this->is_multiple()) {
$this->set_name($this->get_name() . '[]');
}
$options = $this->get_options();
if (empty($options)) {
return null;
}
$elements = [];
$value = (array)$this->get_value();
foreach ($options as $key => $label) {
$input = new Input($this->get_name());
$input
->set_value($key)
->set_type($this->get_type())
->set_id($this->get_id() . '-' . $key);
if (in_array($key, $value, true)) {
$input->set_attribute('checked', 'checked');
}
$attributes = $this->get_attributes();
$elements[] = sprintf(
'',
$this->get_attributes_as_string($attributes),
$input->render(),
esc_html($label)
);
}
if ($description = $this->render_description()) {
$elements[] = $description;
}
return $elements;
}
public function set_multiple(bool $multiple): self
{
$this->multiple = $multiple;
return $this;
}
public function is_multiple(): bool
{
if (empty($this->multiple)) {
return false;
}
return $this->multiple;
}
public function set_vertical(bool $vertical)
{
$this->vertical = $vertical;
return $this;
}
public function is_vertical(): bool
{
if (empty($this->vertical)) {
return false;
}
return $this->vertical;
}
}