wordpress stdClass 对象元素访问

Question

I want to fetch the term_taxonomy_id from the array below but every time it gives me the following error.

Catchable fatal error: Object of class WP_Error could not be converted to string in C.....

 Array
 (
   [0] => stdClass Object
    (
        [term_id] => 5
        [name] => fonts
        [slug] => fonts
        [term_group] => 0
        [term_taxonomy_id] => 5
        [taxonomy] => category
        [description] => 
        [parent] => 0
        [count] => 2
        [object_id] => 96
        [cat_ID] => 5
        [category_count] => 2
        [category_description] => 
        [cat_name] => fonts
        [category_nicename] => fonts
        [category_parent] => 0
    )
)

Answer 1

What have you tried to get that error? Try this:

foreach($yourarray as $term){
  echo $term->term_taxonomy_id;
}

Answer 2

最好最简单的方法

$array = json_decode(json_encode($object), true);