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<?php
/**
* Preview renderer for radio fields.
*
* @since 1.9.1
*/
final class WPCF_Field_Renderer_Preview_Radio extends WPCF_Field_Renderer_Preview_Base {
/**
* @param mixed $value Single field value in the intermediate format (see data mappers for details)
*
* @return string Rendered HTML
*/
protected function render_single( $value ) {
$option = $this->get_option_for_value( $value );
if( null == $option ) {
return '';
}
$output = $option->get_display_value( true );
return sanitize_text_field( $output );
}
/**
* Get radio field option definition from field value.
*
* @param string $value Value stored in the database.
* @return WPCF_Field_Option_Radio Corresponding option definition.
*/
private function get_option_for_value( $value ) {
$options = $this->field->get_definition()->get_field_options();
foreach( $options as $option ) {
if( $value == $option->get_value_to_store() ) {
return $option;
}
}
return null;
}
}