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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 |
|---|---|
| 827 | /** |
| 828 | * Fires before the text domain is unloaded. |
| 829 | * |
| 830 | * @since 3.0.0 |
| 831 | * @since 6.1.0 Added the `$reloadable` parameter. |
| 832 | * |
| 833 | * @param string $domain Text domain. Unique identifier for retrieving translated strings. |
| 834 | * @param bool $reloadable Whether the text domain can be loaded just-in-time again. |
| 835 | */ |
| 836 | do_action( 'unload_textdomain', $domain, $reloadable ); |
| 837 | |
| 838 | if ( isset( $l10n[ $domain ] ) ) { |
| 839 | unset( $l10n[ $domain ] ); |
| 840 | |
| 841 | if ( ! $reloadable ) { |
| 842 | $l10n_unloaded[ $domain ] = true; |
| 843 | } |
| 844 | |
| 845 | return true; |