php - Passing Array Using Html Form Hidden Element -

i trying post array in hidden field , want retrieve array after submitting form in php.

$postvalue=array("a","b","c"); <input type="hidden" name="result" value="<?php echo $postvalue; ?>"> 

but getting array string after printting posted value. how can solve it?

$postvalue=array("a","b","c"); foreach($postvalue $value) {   echo '<input type="hidden" name="result[]" value="'. $value. '">'; } 

and got $_post['result'] array

print_r($_post['result']);