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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 |
|---|---|
| 772 | if ( current_user_can( 'update_languages' ) ) { |
| 773 | list_translation_updates(); |
| 774 | } |
| 775 | |
| 776 | /** |
| 777 | * Fires after the core, plugin, and theme update tables. |
| 778 | * |
| 779 | * @since 2.9.0 |
| 780 | */ |
| 781 | do_action( 'core_upgrade_preamble' ); |
| 782 | echo '</div>'; |
| 783 | |
| 784 | wp_localize_script( |
| 785 | 'updates', |
| 786 | '_wpUpdatesItemCounts', |
| 787 | array( |
| 788 | 'totals' => wp_get_update_data(), |
| 789 | ) |
| 790 | ); |