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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 |
|---|---|
| 457 | * @param WP_Theme $theme The WP_Theme object. |
| 458 | * @param array $r { |
| 459 | * An array of metadata about the available theme update. |
| 460 | * |
| 461 | * @type string $new_version New theme version. |
| 462 | * @type string $url Theme URL. |
| 463 | * @type string $package Theme update package URL. |
| 464 | * } |
| 465 | */ |
| 466 | do_action( "in_theme_update_message-{$theme_key}", $theme, $r ); |
| 467 | |
| 468 | echo '</div></td></tr>'; |
| 469 | } |
| 470 | |
| 471 | /** |
| 472 | * |
| 473 | * @global int $upgrading |
| 474 | * @return false|void |
| 475 | */ |