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<?php
/**
* WooCommerce Message Functions
*
* Functions for error/message handling and display.
*
* @author WooThemes
* @category Core
* @package WooCommerce/Functions
* @version 2.1.0
*/
if ( ! defined( 'ABSPATH' ) ) {
exit; // Exit if accessed directly
}
/**
* 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 The name of the notice type - either error, success or notice. [optional]
* @return int
*/
function wc_notice_count( $notice_type = '' ) {
$notice_count = 0;
$all_notices = WC()->session->get( 'wc_notices', array() );
if ( isset( $all_notices[$notice_type] ) ) {
$notice_count = absint( sizeof( $all_notices[$notice_type] ) );
} elseif ( empty( $notice_type ) ) {
foreach ( $all_notices as $notices ) {
$notice_count += absint( sizeof( $all_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 The singular name of the notice type - either error, success or notice. [optional]
* @return bool
*/
function wc_has_notice( $message, $notice_type = 'success' ) {
$notices = WC()->session->get( 'wc_notices', array() );
$notices = isset( $notices[ $notice_type ] ) ? $notices[ $notice_type ] : array();
return array_search( $message, $notices ) !== false;
}
/**
* Add and store a notice
*
* @since 2.1
* @param string $message The text to display in the notice.
* @param string $notice_type The singular name of the notice type - either error, success or notice. [optional]
*/
function wc_add_notice( $message, $notice_type = 'success' ) {
$notices = WC()->session->get( 'wc_notices', array() );
// Backward compatibility
if ( 'success' === $notice_type ) {
$message = apply_filters( 'woocommerce_add_message', $message );
}
$notices[$notice_type][] = apply_filters( 'woocommerce_add_' . $notice_type, $message );
WC()->session->set( 'wc_notices', $notices );
}
/**
* Unset all notices
*
* @since 2.1
*/
function wc_clear_notices() {
WC()->session->set( 'wc_notices', null );
}
/**
* Prints messages and errors which are stored in the session, then clears them.
*
* @since 2.1
*/
function wc_print_notices() {
$all_notices = WC()->session->get( 'wc_notices', array() );
$notice_types = apply_filters( 'woocommerce_notice_types', array( 'error', 'success', 'notice' ) );
foreach ( $notice_types as $notice_type ) {
if ( wc_notice_count( $notice_type ) > 0 ) {
wc_get_template( "notices/{$notice_type}.php", array(
'messages' => $all_notices[$notice_type]
) );
}
}
wc_clear_notices();
}
add_action( 'woocommerce_before_shop_loop', 'wc_print_notices', 10 );
add_action( 'woocommerce_before_single_product', 'wc_print_notices', 10 );
/**
* Print a single notice immediately
*
* @since 2.1
* @param string $message The text to display in the notice.
* @param string $notice_type The singular name of the notice type - either error, success or notice. [optional]
*/
function wc_print_notice( $message, $notice_type = 'success' ) {
if ( 'success' === $notice_type ) {
$message = apply_filters( 'woocommerce_add_message', $message );
}
wc_get_template( "notices/{$notice_type}.php", array(
'messages' => array( apply_filters( 'woocommerce_add_' . $notice_type, $message ) )
) );
}
/**
* Returns all queued notices, optionally filtered by a notice type.
*
* @since 2.1
* @param string $notice_type The singular name of the notice type - either error, success or notice. [optional]
* @return array|mixed
*/
function wc_get_notices( $notice_type = '' ) {
$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;
}
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