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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 |
|---|---|
| 711 | * |
| 712 | * @param array $update_data { |
| 713 | * Fetched update data. |
| 714 | * |
| 715 | * @type array $counts An array of counts for available plugin, theme, and WordPress updates. |
| 716 | * @type string $update_title Titles of available updates. |
| 717 | * } |
| 718 | * @param array $titles An array of update counts and UI strings for available updates. |
| 719 | */ |
| 720 | return apply_filters( 'wp_get_update_data', $update_data, $titles ); |
| 721 | } |
| 722 | |
| 723 | /** |
| 724 | * Determines whether core should be updated. |
| 725 | * |
| 726 | * @since 2.8.0 |
| 727 | * |
| 728 | * @global string $wp_version |
| 729 | */ |