choices ) ) {
$this->choices = array();
}
}
/**
* Render the control's content.
*/
protected function render_content() {}
/**
* Sets the $sanitize_callback
*/
protected function sanitize_callback() {
// If a custom sanitize_callback has been defined,
// then we don't need to proceed any further.
if ( ! empty( $this->sanitize_callback ) ) {
return;
}
$this->sanitize_callback = array( $this, 'sanitize' );
}
/**
* The sanitize method that will be used as a falback
*
* @param string|array $value The control's value.
*/
public function sanitize( $value ) {
$value = ( ! is_array( $value ) ) ? explode( ',', $value ) : $value;
return ( ! empty( $value ) ) ? array_map( 'sanitize_text_field', $value ) : array();
}
/**
* Refresh the parameters passed to the JavaScript via JSON.
*
* @see WP_Customize_Control::to_json()
*/
public function to_json() {
parent::to_json();
// Value.
$this->json['value'] = $this->value();
// The link.
$this->json['link'] = $this->get_link();
// Choices.
$this->json['choices'] = $this->choices;
// The ID.
$this->json['id'] = $this->id;
}
/**
* An Underscore (JS) template for this control's content (but not its container).
*
* Class variables for this control class are available in the `data` JS object;
* export custom variables by overriding {@see WP_Customize_Control::to_json()}.
*
* @see WP_Customize_Control::print_template()
*/
protected function content_template() {
?>
<# if ( ! data.choices ) { return; } #>
<# if ( data.label ) { #>{{{ data.label }}}<# } #>
<# if ( data.description ) { #>{{{ data.description }}}<# } #>