<?php
/**
 * Sanitize Functions
 *
 */


/**
 * Checkbox sanitization callback
 *
 * @param bool $checked Whether the checkbox is checked.
 * @return bool Whether the checkbox is checked.
 */
function tsoft_sanitize_checkbox( $checked ) {

	// Boolean check.
	return ( ( isset( $checked ) && true == $checked ) ? true : false );
	
}


/**
 * Select & Radio Button sanitization callback
 *
 * @param string               $input   Slug to sanitize.
 * @param WP_Customize_Setting $setting Setting instance.
 * @return string Sanitized slug if it is a valid choice; otherwise, the setting default.
 */
function tsoft_sanitize_select( $input, $setting ) {
	
	// Ensure input is a slug.
	$input = sanitize_key( $input );
	
	// Get list of choices from the control associated with the setting.
	$choices = $setting->manager->get_control( $setting->id )->choices;
	
	// If the input is a valid key, return it; otherwise, return the default.
	return ( array_key_exists( $input, $choices ) ? $input : $setting->default );
}