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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 |
|---|---|
| 778 | * @param WP_Theme $theme The WP_Theme object. |
| 779 | * @param array $response { |
| 780 | * An array of metadata about the available theme update. |
| 781 | * |
| 782 | * @type string $new_version New theme version. |
| 783 | * @type string $url Theme URL. |
| 784 | * @type string $package Theme update package URL. |
| 785 | * } |
| 786 | */ |
| 787 | do_action( "in_theme_update_message-{$theme_key}", $theme, $response ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores |
| 788 | |
| 789 | echo '</p></div></td></tr>'; |
| 790 | } |
| 791 | |
| 792 | /** |
| 793 | * @since 2.7.0 |
| 794 | * |
| 795 | * @global int $upgrading |
| 796 | * @return void|false |