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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 |
|---|---|
| 785 | * Should be a date in the `YYYY-MM-DD HH:MM:SS` format. |
| 786 | * @type string $package The ZIP location containing the translation update. |
| 787 | * @type string $autoupdate Whether the translation should be automatically installed. |
| 788 | * } |
| 789 | * } |
| 790 | * @param array $theme_data Theme headers. |
| 791 | * @param string $theme_stylesheet Theme stylesheet. |
| 792 | * @param string[] $locales Installed locales to look up translations for. |
| 793 | */ |
| 794 | $update = apply_filters( "update_themes_{$hostname}", false, $theme_data, $theme_stylesheet, $locales ); |
| 795 | |
| 796 | if ( ! $update ) { |
| 797 | continue; |
| 798 | } |
| 799 | |
| 800 | $update = (object) $update; |
| 801 | |
| 802 | // Is it valid? We require at least a version. |
| 803 | if ( ! isset( $update->version ) ) { |