apply_filters( 'core_version_check_query_args', array $query )

Filter the query arguments sent as part of the core version check.


WARNING: Changing this data may result in your site not receiving security updates. Please exercise extreme caution.



Version check query arguments.

  • 'version'
    (string) ClassicPress version number.
  • 'php'
    (string) PHP version number.
  • 'locale'
    (string) The locale to retrieve updates for.
  • 'mysql'
    (string) MySQL version number.
  • 'local_package'
    (string) The value of the $wp_local_package global, when set.
  • 'blogs'
    (int) Number of sites on this ClassicPress installation.
  • 'users'
    (int) Number of users on this ClassicPress installation.
  • 'multisite_enabled'
    (int) Whether this ClassicPress installation uses Multisite.
  • 'initial_db_version'
    (int) Database version of ClassicPress at time of installation.
  • 'extra_stats'
    (array) Failure data from the current update, if any.
  • 'failure_data'
    (array) Failure data from a previous update, if any.
  • 'translations'
    (array) Core translations installed on this site.


File: wp-includes/update.php

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Version Description
1.0.0 Added extra_stats, failure_data, and translations parameters to query (in WP these are passed in a POST body).
WP-4.9.0 Introduced.