string(15) "match:post_type" string(4) "post" WPJAM_Meta_Option Object ( [name:protected] => external_link [_group:protected] => meta_option [_filtered:protected] => 1 [args:protected] => Array ( [fields] => Array ( [external_link] => Array ( [type] => url [class] => large-text ) ) [priority] => default [title] => 外链 [post_type] => post [meta_type] => post [order] => 10 ) [_archives:protected] => Array ( ) )