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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 |
|---|---|
| 1314 | |
| 1315 | /** |
| 1316 | * Filters the list of available language codes. |
| 1317 | * |
| 1318 | * @since 4.7.0 |
| 1319 | * |
| 1320 | * @param string[] $languages An array of available language codes. |
| 1321 | * @param string $dir The directory where the language files were found. |
| 1322 | */ |
| 1323 | return apply_filters( 'get_available_languages', $languages, $dir ); |
| 1324 | } |
| 1325 | |
| 1326 | /** |
| 1327 | * Get installed translations. |
| 1328 | * |
| 1329 | * Looks in the wp-content/languages directory for translations of |
| 1330 | * plugins or themes. |
| 1331 | * |
| 1332 | * @since 3.7.0 |