WP_List_Table::get_items_per_page( string $option, int $default_value = 20 ): int

Source

protected function get_items_per_page( $option, $default_value = 20 ) {
	$per_page = (int) get_user_option( $option );
	if ( empty( $per_page ) || $per_page < 1 ) {
		$per_page = $default_value;
	}

	/**
	 * Filters the number of items to be displayed on each page of the list table.
	 *
	 * The dynamic hook name, `$option`, refers to the `per_page` option depending
	 * on the type of list table in use. Possible filter names include:
	 *
	 *  - `edit_comments_per_page`
	 *  - `sites_network_per_page`
	 *  - `site_themes_network_per_page`
	 *  - `themes_network_per_page'`
	 *  - `users_network_per_page`
	 *  - `edit_post_per_page`
	 *  - `edit_page_per_page'`
	 *  - `edit_{$post_type}_per_page`
	 *  - `edit_post_tag_per_page`
	 *  - `edit_category_per_page`
	 *  - `edit_{$taxonomy}_per_page`
	 *  - `site_users_network_per_page`
	 *  - `users_per_page`
	 *
	 * @since 2.9.0
	 *
	 * @param int $per_page Number of items to be displayed. Default 20.
	 */
	return (int) apply_filters( "{$option}", $per_page );
}

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