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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 |
|---|---|
| 613 | * |
| 614 | * @param array $update_data { |
| 615 | * Fetched update data. |
| 616 | * |
| 617 | * @type array $counts An array of counts for available plugin, theme, and WordPress updates. |
| 618 | * @type string $update_title Titles of available updates. |
| 619 | * } |
| 620 | * @param array $titles An array of update counts and UI strings for available updates. |
| 621 | */ |
| 622 | return apply_filters( 'wp_get_update_data', $update_data, $titles ); |
| 623 | } |
| 624 | |
| 625 | /** |
| 626 | * Determines whether core should be updated. |
| 627 | * |
| 628 | * @since 2.8.0 |
| 629 | * |
| 630 | * @global string $wp_version |
| 631 | */ |