Using WordPress ‘core_version_check_query_args’ PHP filter

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The core_version_check_query_args WordPress PHP filter allows you to modify the query arguments sent during the core version check.

Usage

add_filter('core_version_check_query_args', 'your_custom_function');
function your_custom_function($query) {
  // your custom code here
  return $query;
}

Parameters

  • $query (array): Version check query arguments including:
    • version (string): WordPress 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 WordPress installation.
    • users (int): Number of users on this WordPress installation.
    • multisite_enabled (int): Whether this WordPress installation uses Multisite.
    • initial_db_version (int): Database version of WordPress at time of installation.

More information

See WordPress Developer Resources: core_version_check_query_args

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

Examples

Change the locale of core updates

Modify the locale of the core updates to retrieve updates for a different language.

add_filter('core_version_check_query_args', 'change_core_update_locale');
function change_core_update_locale($query) {
  $query['locale'] = 'es_ES'; // Change the locale to Spanish
  return $query;
}

Change the PHP version number

Update the PHP version number sent during the core version check.

add_filter('core_version_check_query_args', 'change_php_version_number');
function change_php_version_number($query) {
  $query['php'] = '7.4.0'; // Change the PHP version number
  return $query;
}

Modify the MySQL version number

Update the MySQL version number sent during the core version check.

add_filter('core_version_check_query_args', 'change_mysql_version_number');
function change_mysql_version_number($query) {
  $query['mysql'] = '5.7.0'; // Change the MySQL version number
  return $query;
}

Change the initial database version

Update the initial database version sent during the core version check.

add_filter('core_version_check_query_args', 'change_initial_db_version');
function change_initial_db_version($query) {
  $query['initial_db_version'] = '12345'; // Change the initial database version
  return $query;
}

Change the number of users

Update the number of users sent during the core version check.

add_filter('core_version_check_query_args', 'change_number_of_users');
function change_number_of_users($query) {
  $query['users'] = '1500'; // Change the number of users
  return $query;
}