Description:
------------
throw an error ‘
Fatal error: Uncaught exception 'Exception' with message 'Serialization of 'Closure' is not allowed' in /mnt/hgfs/www/test2.php:5 Stack trace: #0 /mnt/hgfs/www/test2.php(5): test::map() #1 /mnt/hgfs/www/test2.php(12): test->map(Array) #2 {main} thrown in /mnt/hgfs/www/test2.php on line 5’ when the class extends class

Test script:
---------------
class test extends Worker {
    public function map($t)
    {
        $this->a = $t;var_dump($this->a);exit;
    }
}
$map = new test;
$function = function($i){
    return $i;
};
$c = 1000000;$map->map(array($function, array($c)));

Expected result:
----------------
array(2) { [0]=> object(Closure)#2 (1) { ["parameter"]=> array(1) { ["$i"]=> string(10) "" } } [1]=> array(1) { [0]=> int(1000000) } } 

Actual result:
--------------
Fatal error: Uncaught exception 'Exception' with message 'Serialization of 'Closure' is not allowed' in /mnt/hgfs/www/lib/MapReduce.php:15 Stack trace: #0 /mnt/hgfs/www/lib/MapReduce.php(15): MapReduce::map() #1 /mnt/hgfs/www/lib/MapReduce.php(39): MapReduce->map(Array) #2 {main} thrown in /mnt/hgfs/www/lib/MapReduce.php on line 15