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The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )apply_filters( "hook_name", "what_to_filter" ).Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
| Line | Code |
|---|---|
| 839 | * - `edit_category_per_page` |
| 840 | * - `edit_{$taxonomy}_per_page` |
| 841 | * - `site_users_network_per_page` |
| 842 | * - `users_per_page` |
| 843 | * |
| 844 | * @since 2.9.0 |
| 845 | * |
| 846 | * @param int $per_page Number of items to be displayed. Default 20. |
| 847 | */ |
| 848 | return (int) apply_filters( "{$option}", $per_page ); |
| 849 | } |
| 850 | |
| 851 | /** |
| 852 | * Displays the pagination. |
| 853 | * |
| 854 | * @since 3.1.0 |
| 855 | * |
| 856 | * @param string $which |
| 857 | */ |