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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 |
|---|---|
| 1020 | |
| 1021 | /** |
| 1022 | * Filters the list of available language codes. |
| 1023 | * |
| 1024 | * @since 4.7.0 |
| 1025 | * |
| 1026 | * @param array $languages An array of available language codes. |
| 1027 | * @param string $dir The directory where the language files were found. |
| 1028 | */ |
| 1029 | return apply_filters( 'get_available_languages', $languages, $dir ); |
| 1030 | } |
| 1031 | |
| 1032 | /** |
| 1033 | * Get installed translations. |
| 1034 | * |
| 1035 | * Looks in the wp-content/languages directory for translations of |
| 1036 | * plugins or themes. |
| 1037 | * |
| 1038 | * @since 3.7.0 |