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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 |
|---|---|
| 468 | * Should be a date in the `YYYY-MM-DD HH:MM:SS` format. |
| 469 | * @type string $package The ZIP location containing the translation update. |
| 470 | * @type string $autoupdate Whether the translation should be automatically installed. |
| 471 | * } |
| 472 | * } |
| 473 | * @param array $plugin_data Plugin headers. |
| 474 | * @param string $plugin_file Plugin filename. |
| 475 | * @param array $locales Installed locales to look translations for. |
| 476 | */ |
| 477 | $update = apply_filters( "update_plugins_{$hostname}", false, $plugin_data, $plugin_file, $locales ); |
| 478 | |
| 479 | if ( ! $update ) { |
| 480 | continue; |
| 481 | } |
| 482 | |
| 483 | $update = (object) $update; |
| 484 | |
| 485 | // Is it valid? We require at least a version. |
| 486 | if ( ! isset( $update->version ) ) { |