[admin_title]
WP_Hook Object
(
[callbacks] => Array
(
[10] => Array
(
[Yoast_Input_Validation::add_yoast_admin_document_title_errors] => Array
(
[function] => Array
(
[0] => Yoast_Input_Validation
[1] => add_yoast_admin_document_title_errors
)
[accepted_args] => 1
)
)
)
[priorities:protected] => Array
(
[0] => 10
)
[iterations:WP_Hook:private] => Array
(
)
[current_priority:WP_Hook:private] => Array
(
)
[nesting_level:WP_Hook:private] => 0
[doing_action:WP_Hook:private] =>
)
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