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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 |
|---|---|
| 504 | * Should be a date in the `YYYY-MM-DD HH:MM:SS` format. |
| 505 | * @type string $package The ZIP location containing the translation update. |
| 506 | * @type string $autoupdate Whether the translation should be automatically installed. |
| 507 | * } |
| 508 | * } |
| 509 | * @param array $plugin_data Plugin headers. |
| 510 | * @param string $plugin_file Plugin filename. |
| 511 | * @param string[] $locales Installed locales to look up translations for. |
| 512 | */ |
| 513 | $update = apply_filters( "update_plugins_{$hostname}", false, $plugin_data, $plugin_file, $locales ); |
| 514 | |
| 515 | if ( ! $update ) { |
| 516 | continue; |
| 517 | } |
| 518 | |
| 519 | $update = (object) $update; |
| 520 | |
| 521 | // Is it valid? We require at least a version. |
| 522 | if ( ! isset( $update->version ) ) { |