wp-includes/deprecated.php:2649Sanitize every user field.
$userobject|array$contextstringoptional'display'object|arrayfunction sanitize_user_object($user, $context = 'display') { _deprecated_function( __FUNCTION__, '3.3.0' ); if ( is_object($user) ) { if ( !isset($user->ID) ) $user->ID = 0; if ( ! ( $user instanceof WP_User ) ) { $vars = get_object_vars($user); foreach ( array_keys($vars) as $field ) { if ( is_string($user->$field) || is_numeric($user->$field) ) $user->$field = sanitize_user_field($field, $user->$field, $user->ID, $context); } } $user->filter = $context; } else { if ( !isset($user['ID']) ) $user['ID'] = 0; foreach ( array_keys($user) as $field ) $user[$field] = sanitize_user_field($field, $user[$field], $user['ID'], $context); $user['filter'] = $context; } return $user;}Introduced in 2.3.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/deprecated.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.