php background&get

test.php:
<?
        // Put to environment variable "query string"
        putenv("QUERY_STRING=arg1=".urlencode("val1&&AAaaQAA")."&arg2=".urlencode("val2&&11AAAA"));
        // Run php script from shell in background, where we parse query string from env to GET array and then include file we want to exec
        exec("/usr/local/bin/php -e -r 'parse_str(\$_SERVER[\"QUERY_STRING\"], \$_GET); include \"xyest.php\";' > /dev/null 2> /dev/null &");
?>


xyest.php:
<?
        // Here we just test GET variable content by writing it to file and then sleep to check if script really runs in background
        $f = fopen("siska", "w+");
        fwrite($f, print_r($_GET, true));
        sleep(10);
?>