process users in WordPress; delete user with a specific criteria

process-salesforce-user.php

add_filter( 'object_sync_for_salesforce_pull_object_allowed', 'process_user', 10, 5 );
function process_user( $pull_allowed, $object_type, $object, $sf_sync_trigger, $salesforce_mapping ) {
	if ( 'Contact' === $object_type && 'deletion' === $object['LastName'] ) {
		$pull_allowed = false;
		if ( ! function_exists( 'is_plugin_active' ) ) {
			require_once( ABSPATH . '/wp-admin/includes/plugin.php' );
		}
		if ( is_plugin_active( 'object-sync-for-salesforce/object-sync-for-salesforce.php' ) ) {
			$salesforce     = Object_Sync_Salesforce::get_instance();
			$mapping_object = $salesforce->mappings->get_object_maps(
				array(
					'salesforce_id' => $object['Id'],
				)
			);
			$wordpress_id   = $mapping_object['wordpress_id'];
			$wordpress_type = $mapping_object['wordpress_object'];
			$delete_user    = wp_delete_user( $wordpress_id );
		}
	}
	return $pull_allowed;
}