upgrader_clear_destination filter-hook . WP 2.8.0

Filters whether the upgrader cleared the destination.

Usage

add_filter( 'upgrader_clear_destination', 'filter_function_name_5182', 10, 4 );
function filter_function_name_5182( $removed, $local_destination, $remote_destination, $hook_extra ){
	// filter...

	return $removed;
}

$removed(mixed): Whether the destination was cleared. true on success, WP_Error on failure
$local_destination(string): The local package destination.
$remote_destination(string): The remote package destination.
$hook_extra(array): Extra arguments passed to hooked filters.

Where the hook is called

WP_Upgrader::install_package()

wp-admin/includes/class-wp-upgrader.php 547

$removed = apply_filters( 'upgrader_clear_destination', $removed, $local_destination, $remote_destination, $args['hook_extra'] );

Where the hook is used (in WP core)

wp-admin/includes/class-theme-upgrader.php 268

add_filter('upgrader_clear_destination', array($this, 'delete_old_theme'), 10, 4);

wp-admin/includes/class-theme-upgrader.php 289

remove_filter('upgrader_clear_destination', array($this, 'delete_old_theme'));

wp-admin/includes/class-theme-upgrader.php 329

add_filter('upgrader_clear_destination', array($this, 'delete_old_theme'), 10, 4);

wp-admin/includes/class-theme-upgrader.php 411

remove_filter('upgrader_clear_destination', array($this, 'delete_old_theme'));

wp-admin/includes/class-plugin-upgrader.php 167

add_filter('upgrader_clear_destination', array($this, 'delete_old_plugin'), 10, 4);

wp-admin/includes/class-plugin-upgrader.php 189

remove_filter('upgrader_clear_destination', array($this, 'delete_old_plugin'));

wp-admin/includes/class-plugin-upgrader.php 228

add_filter('upgrader_clear_destination', array($this, 'delete_old_plugin'), 10, 4);

wp-admin/includes/class-plugin-upgrader.php 311

remove_filter('upgrader_clear_destination', array($this, 'delete_old_plugin'));