Filters the arguments for the taxonomy parent dropdown on the Post Edit page.
Parameters
$parent_dropdown_argsarray
{ Optional. Array of arguments to generate parent dropdown. @type string $taxonomy Name of the taxonomy to retrieve. @type bool $hide_if_empty True to skip generating markup if no categories are found. Default 0. @type string $name Value for the 'name' attribute of the select element. Default "new{$tax_name}_parent". @type string $orderby Which column to use for ordering terms. Default 'name'. @type bool|int $hierarchical Whether to traverse the taxonomy hierarchy. Default 1. @type string $show_option_none Text to display for the "none" option. Default "— {$parent} —", where $parent is 'parent_item' taxonomy label.}
$taxonomystring
Name of the taxonomy to retrieve.
$hide_if_emptybool
True to skip generating markup if no categories are found. Default 0.
$namestring
Value for the 'name' attribute of the select element. Default "new{$tax_name}_parent".
$orderbystring
Which column to use for ordering terms. Default 'name'.
$hierarchicalbool|int
Whether to traverse the taxonomy hierarchy. Default 1.
$show_option_nonestring
Text to display for the "none" option. Default "— {$parent} —", where $parent is 'parent_item' taxonomy label.