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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 |
|---|---|
| 559 | * @since 2.7.0 |
| 560 | * @since 4.1.0 Added `$post_type` argument. |
| 561 | * @since 4.3.1 Added `$public_only` argument. |
| 562 | * |
| 563 | * @param int $count The user's post count. |
| 564 | * @param int $userid User ID. |
| 565 | * @param string|array $post_type Single post type or array of post types to count the number of posts for. |
| 566 | * @param bool $public_only Whether to limit counted posts to public posts. |
| 567 | */ |
| 568 | return apply_filters( 'get_usernumposts', $count, $userid, $post_type, $public_only ); |
| 569 | } |
| 570 | |
| 571 | /** |
| 572 | * Number of posts written by a list of users. |
| 573 | * |
| 574 | * @since 3.0.0 |
| 575 | * |
| 576 | * @global wpdb $wpdb WordPress database abstraction object. |
| 577 | * |