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<?php
namespace Automattic\WooCommerce\StoreApi\Utilities;
/**
* ValidationUtils class.
* Helper class which validates and update customer info.
*/
class ValidationUtils {
/**
* Get list of states for a country.
*
* @param string $country Country code.
* @return array Array of state names indexed by state keys.
*/
public function get_states_for_country( $country ) {
return $country ? array_filter( (array) \wc()->countries->get_states( $country ) ) : [];
}
/**
* Validate provided state against a countries list of defined states.
*
* If there are no defined states for a country, any given state is valid.
*
* @param string $state State name or code (sanitized).
* @param string $country Country code.
* @return boolean Valid or not valid.
*/
public function validate_state( $state, $country ) {
$states = $this->get_states_for_country( $country );
if ( count( $states ) && ! in_array( \wc_strtoupper( $state ), array_map( '\wc_strtoupper', array_keys( $states ) ), true ) ) {
return false;
}
return true;
}
/**
* Format a state based on the country. If country has defined states, will return a valid upper case state code.
*
* @param string $state State name or code (sanitized).
* @param string $country Country code.
* @return string
*/
public function format_state( $state, $country ) {
$states = $this->get_states_for_country( $country );
if ( count( $states ) ) {
$state = \wc_strtoupper( $state );
$state_values = array_map( '\wc_strtoupper', array_flip( array_map( '\wc_strtoupper', $states ) ) );
if ( isset( $state_values[ $state ] ) ) {
// Convert to state code if a state name was provided.
return $state_values[ $state ];
}
}
return $state;
}
}