class-ld-settings-fields-custom.php
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<?php
/**
* LearnDash Custom Settings Field.
*
* @since 3.0.0
* @package LearnDash\Settings\Field
*/
if ( ! defined( 'ABSPATH' ) ) {
exit;
}
if ( ( class_exists( 'LearnDash_Settings_Fields' ) ) && ( ! class_exists( 'LearnDash_Settings_Fields_Custom' ) ) ) {
/**
* Class LearnDash Custom Settings Field.
*
* @since 3.0.0
* @uses LearnDash_Settings_Fields
*/
class LearnDash_Settings_Fields_Custom extends LearnDash_Settings_Fields {
/**
* Public constructor for class
*
* @since 3.0.0
*/
public function __construct() {
$this->field_type = 'custom';
parent::__construct();
}
/**
* Function to crete the settings field.
*
* @since 3.0.0
*
* @param array $field_args An array of field arguments used to process the output.
* @return void
*/
public function create_section_field( $field_args = array() ) {
/** This filter is documented in includes/settings/settings-fields/class-ld-settings-fields-checkbox-switch.php */
$field_args = apply_filters( 'learndash_settings_field', $field_args );
/** This filter is documented in includes/settings/settings-fields/class-ld-settings-fields-checkbox-switch.php */
$html = apply_filters( 'learndash_settings_field_html_before', '', $field_args );
if ( isset( $field_args['html'] ) ) {
$html .= $field_args['html'];
}
echo $html; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped -- Need to output HTML
}
/**
* Default validation function. Should be overridden in Field subclass.
*
* @since 3.0.0
*
* @param mixed $val Value to validate.
* @param string $key Key of value being validated.
* @param array $args Array of field args.
*
* @return mixed $val validated value.
*/
public function validate_section_field( $val, $key, $args = array() ) {
if ( ! empty( $val ) ) {
return sanitize_textarea_field( $val );
}
return $val;
}
// End of functions.
}
}
add_action(
'learndash_settings_sections_fields_init',
function() {
LearnDash_Settings_Fields_Custom::add_field_instance( 'custom' );
}
);