Get dumped data

functions.php

add_action( 'init', 'my_custom_init' );
function my_custom_init() {
	if ( isset( $_GET['check_lifeguard'] ) && '1' == $_GET['check_lifeguard'] ) {
		global $wpdb;

		$meta_results = $wpdb->get_results(
            "SELECT um.*
            FROM {$wpdb->usermeta} um
            WHERE um.user_id IN('1736','1251')",
			ARRAY_A
		);


		$users_results = $wpdb->get_results(
            "SELECT u.*
            FROM {$wpdb->users} u
            WHERE u.ID IN('1736','1251')",
			ARRAY_A
		);

		var_dump( $users_results );
		var_dump( $meta_results );
        exit;
	}
}