* @uses $wp_version Used to check against the newest WordPress version.
*
* @param array $extra_stats Extra statistics to report to the WordPress.org API.
+ * @param bool $force_check Whether to bypass the transient cache and force a fresh update check. Defaults to false, true if $extra_stats is set.
* @return mixed Returns null if update is unsupported. Returns false if check is too soon.
*/
-function wp_version_check( $extra_stats = array() ) {
+function wp_version_check( $extra_stats = array(), $force_check = false ) {
if ( defined('WP_INSTALLING') )
return;
$current = get_site_transient( 'update_core' );
$translations = wp_get_installed_translations( 'core' );
+ // Invalidate the transient when $wp_version changes
+ if ( is_object( $current ) && $wp_version != $current->version_checked )
+ $current = false;
+
if ( ! is_object($current) ) {
$current = new stdClass;
$current->updates = array();
$current->version_checked = $wp_version;
}
+ if ( ! empty( $extra_stats ) )
+ $force_check = true;
+
// Wait 60 seconds between multiple version check requests
$timeout = 60;
$time_not_changed = isset( $current->last_checked ) && $timeout > ( time() - $current->last_checked );
- if ( $time_not_changed && empty( $extra_stats ) )
+ if ( ! $force_check && $time_not_changed )
return false;
$locale = get_locale();
'translations' => json_encode( $translations ),
);
- if ( $extra_stats )
+ if ( is_array( $extra_stats ) )
$post_body = array_merge( $post_body, $extra_stats );
$url = $http_url = 'http://api.wordpress.org/core/version-check/1.7/?' . http_build_query( $query, null, '&' );
return $updates;
}
-/*
+/**
* Collect counts and UI strings for available updates
*
* @since 3.3.0
$next += 12 * HOUR_IN_SECONDS;
}
$next = $next - get_option( 'gmt_offset' ) * HOUR_IN_SECONDS;
+ // Add a random number of minutes, so we don't have all sites trying to update exactly on the hour
+ $next = $next + rand( 0, 59 ) * MINUTE_IN_SECONDS;
wp_schedule_event( $next, 'twicedaily', 'wp_maybe_auto_update' );
}
}