/**
* WooCommerce Message Functions
*
* Functions for error/message handling and display.
*
* @package WooCommerce\Functions
* @version 2.1.0
*/
if ( ! defined( 'ABSPATH' ) ) {
exit;
}
/**
* Get the count of notices added, either for all notices (default) or for one.
* particular notice type specified by $notice_type.
*
* @since 2.1
* @param string $notice_type Optional. The name of the notice type - either error, success or notice.
* @return int
*/
function wc_notice_count( $notice_type = '' ) {
if ( ! did_action( 'woocommerce_init' ) ) {
wc_doing_it_wrong( __FUNCTION__, __( 'This function should not be called before woocommerce_init.', 'woocommerce' ), '2.3' );
return;
}
$notice_count = 0;
$all_notices = WC()->session->get( 'wc_notices', array() );
if ( isset( $all_notices[ $notice_type ] ) && is_array( $all_notices[ $notice_type ] ) ) {
$notice_count = count( $all_notices[ $notice_type ] );
} elseif ( empty( $notice_type ) ) {
foreach ( $all_notices as $notices ) {
if ( is_countable( $notices ) ) {
$notice_count += count( $notices );
}
}
}
return $notice_count;
}
/**
* Check if a notice has already been added.
*
* @since 2.1
* @param string $message The text to display in the notice.
* @param string $notice_type Optional. The name of the notice type - either error, success or notice.
* @return bool
*/
function wc_has_notice( $message, $notice_type = 'success' ) {
if ( ! did_action( 'woocommerce_init' ) ) {
wc_doing_it_wrong( __FUNCTION__, __( 'This function should not be called before woocommerce_init.', 'woocommerce' ), '2.3' );
return false;
}
$notices = WC()->session->get( 'wc_notices', array() );
$notices = isset( $notices[ $notice_type ] ) ? $notices[ $notice_type ] : array();
return array_search( $message, wp_list_pluck( $notices, 'notice' ), true ) !== false;
}
/**
* Add and store a notice.
*
* @since 2.1
* @version 3.9.0
* @param string $message The text to display in the notice.
* @param string $notice_type Optional. The name of the notice type - either error, success or notice.
* @param array $data Optional notice data.
*/
function wc_add_notice( $message, $notice_type = 'success', $data = array() ) {
if ( ! did_action( 'woocommerce_init' ) ) {
wc_doing_it_wrong( __FUNCTION__, __( 'This function should not be called before woocommerce_init.', 'woocommerce' ), '2.3' );
return;
}
$notices = WC()->session->get( 'wc_notices', array() );
// Backward compatibility.
if ( 'success' === $notice_type ) {
$message = apply_filters( 'woocommerce_add_message', $message );
}
$message = apply_filters( 'woocommerce_add_' . $notice_type, $message );
if ( ! empty( $message ) ) {
$notices[ $notice_type ][] = array(
'notice' => $message,
'data' => $data,
);
}
WC()->session->set( 'wc_notices', $notices );
}
/**
* Set all notices at once.
*
* @since 2.6.0
* @param array[] $notices Array of notices.
*/
function wc_set_notices( $notices ) {
if ( ! did_action( 'woocommerce_init' ) ) {
wc_doing_it_wrong( __FUNCTION__, __( 'This function should not be called before woocommerce_init.', 'woocommerce' ), '2.6' );
return;
}
WC()->session->set( 'wc_notices', $notices );
}
/**
* Unset all notices.
*
* @since 2.1
*/
function wc_clear_notices() {
if ( ! did_action( 'woocommerce_init' ) ) {
wc_doing_it_wrong( __FUNCTION__, __( 'This function should not be called before woocommerce_init.', 'woocommerce' ), '2.3' );
return;
}
WC()->session->set( 'wc_notices', null );
}
/**
* Prints messages and errors which are stored in the session, then clears them.
*
* @since 2.1
* @param bool $return true to return rather than echo. @since 3.5.0.
* @return string|void
*/
function wc_print_notices( $return = false ) {
if ( ! did_action( 'woocommerce_init' ) ) {
wc_doing_it_wrong( __FUNCTION__, __( 'This function should not be called before woocommerce_init.', 'woocommerce' ), '2.3' );
return;
}
$session = WC()->session;
// If the session handler has not initialized, there will be no notices for us to read.
if ( null === $session ) {
return;
}
$all_notices = $session->get( 'wc_notices', array() );
$notice_types = apply_filters( 'woocommerce_notice_types', array( 'error', 'success', 'notice' ) );
// Buffer output.
ob_start();
foreach ( $notice_types as $notice_type ) {
if ( wc_notice_count( $notice_type ) > 0 ) {
$messages = array();
foreach ( $all_notices[ $notice_type ] as $notice ) {
$messages[] = isset( $notice['notice'] ) ? $notice['notice'] : $notice;
}
wc_get_template(
"notices/{$notice_type}.php",
array(
'messages' => array_filter( $messages ), // @deprecated 3.9.0
'notices' => array_filter( $all_notices[ $notice_type ] ),
)
);
}
}
wc_clear_notices();
$notices = wc_kses_notice( ob_get_clean() );
if ( $return ) {
return $notices;
}
echo $notices; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
}
/**
* Print a single notice immediately.
*
* @since 2.1
* @version 3.9.0
* @param string $message The text to display in the notice.
* @param string $notice_type Optional. The singular name of the notice type - either error, success or notice.
* @param array $data Optional notice data. @since 3.9.0.
* @param bool $return true to return rather than echo. @since 7.7.0.
*/
function wc_print_notice( $message, $notice_type = 'success', $data = array(), $return = false ) {
if ( 'success' === $notice_type ) {
$message = apply_filters( 'woocommerce_add_message', $message );
}
$message = apply_filters( 'woocommerce_add_' . $notice_type, $message );
// Buffer output.
ob_start();
wc_get_template(
"notices/{$notice_type}.php",
array(
'messages' => array( $message ), // @deprecated 3.9.0
'notices' => array(
array(
'notice' => $message,
'data' => $data,
),
),
)
);
$notice = wc_kses_notice( ob_get_clean() );
if ( $return ) {
return $notice;
}
echo $notice; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
}
/**
* Returns all queued notices, optionally filtered by a notice type.
*
* @since 2.1
* @version 3.9.0
* @param string $notice_type Optional. The singular name of the notice type - either error, success or notice.
* @return array[]
*/
function wc_get_notices( $notice_type = '' ) {
if ( ! did_action( 'woocommerce_init' ) ) {
wc_doing_it_wrong( __FUNCTION__, __( 'This function should not be called before woocommerce_init.', 'woocommerce' ), '2.3' );
return;
}
$all_notices = WC()->session->get( 'wc_notices', array() );
if ( empty( $notice_type ) ) {
$notices = $all_notices;
} elseif ( isset( $all_notices[ $notice_type ] ) ) {
$notices = $all_notices[ $notice_type ];
} else {
$notices = array();
}
return $notices;
}
/**
* Add notices for WP Errors.
*
* @param WP_Error $errors Errors.
*/
function wc_add_wp_error_notices( $errors ) {
if ( is_wp_error( $errors ) && $errors->get_error_messages() ) {
foreach ( $errors->get_error_messages() as $error ) {
wc_add_notice( $error, 'error' );
}
}
}
/**
* Filters out the same tags as wp_kses_post, but allows tabindex for element.
*
* @since 3.5.0
* @param string $message Content to filter through kses.
* @return string
*/
function wc_kses_notice( $message ) {
$allowed_tags = array_replace_recursive(
wp_kses_allowed_html( 'post' ),
array(
'a' => array(
'tabindex' => true,
),
)
);
/**
* Kses notice allowed tags.
*
* @since 3.9.0
* @param array[]|string $allowed_tags An array of allowed HTML elements and attributes, or a context name such as 'post'.
*/
return wp_kses( $message, apply_filters( 'woocommerce_kses_notice_allowed_tags', $allowed_tags ) );
}
/**
* Get notice data attribute.
*
* @since 3.9.0
* @param array $notice Notice data.
* @return string
*/
function wc_get_notice_data_attr( $notice ) {
if ( empty( $notice['data'] ) ) {
return;
}
$attr = '';
foreach ( $notice['data'] as $key => $value ) {
$attr .= sprintf(
' data-%1$s="%2$s"',
sanitize_title( $key ),
esc_attr( $value )
);
}
return $attr;
}
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