restrict_manage_posts │ action-hook │ WP 2.1.0

Fires before the Filter button on the Posts and Pages list tables.

The Filter button allows sorting by date and/or category on the Posts list table, and sorting by date on the Pages list table.

Usage

add_action( 'restrict_manage_posts', 'wp_kama_restrict_manage_posts_action', 10, 2 );

/**
 * Function for `restrict_manage_posts` action-hook.
 * 
 * @param string $post_type The post type slug.
 * @param string $which     The location of the extra table nav markup: 'top' or 'bottom' for WP_Posts_List_Table, 'bar' for WP_Media_List_Table.
 *
 * @return void
 */
function wp_kama_restrict_manage_posts_action( $post_type, $which ){

	// action...
}

$post_type(string)

The post type slug.

$which(string)

The location of the extra table nav markup: 'top' or 'bottom' for WP_Posts_List_Table, 'bar' for WP_Media_List_Table.

Changelog

Where the hook is called

do_action( 'restrict_manage_posts', $this->screen->post_type, $which );

do_action( 'restrict_manage_posts', $this->screen->post_type, $which );

Where the hook is used in WordPress