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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 |
|---|---|
| 509 | * The dynamic hook name, $option, refers to the per page option depending |
| 510 | * on the type of list table in use. Possible values may include: |
| 511 | * 'edit_comments_per_page', 'sites_network_per_page', 'site_themes_network_per_page', |
| 512 | * 'themes_netework_per_page', 'users_network_per_page', 'edit_{$post_type}', etc. |
| 513 | * |
| 514 | * @since 2.9.0 |
| 515 | * |
| 516 | * @param int $per_page Number of items to be displayed. Default 20. |
| 517 | */ |
| 518 | return (int) apply_filters( $option, $per_page ); |
| 519 | } |
| 520 | |
| 521 | /** |
| 522 | * Display the pagination. |
| 523 | * |
| 524 | * @since 3.1.0 |
| 525 | * @access protected |
| 526 | */ |
| 527 | function pagination( $which ) { |