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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 |
|---|---|
| 1472 | |
| 1473 | /** |
| 1474 | * Filters the list of available language codes. |
| 1475 | * |
| 1476 | * @since 4.7.0 |
| 1477 | * |
| 1478 | * @param string[] $languages An array of available language codes. |
| 1479 | * @param string $dir The directory where the language files were found. |
| 1480 | */ |
| 1481 | return apply_filters( 'get_available_languages', array_unique( $languages ), $dir ); |
| 1482 | } |
| 1483 | |
| 1484 | /** |
| 1485 | * Gets installed translations. |
| 1486 | * |
| 1487 | * Looks in the wp-content/languages directory for translations of |
| 1488 | * plugins or themes. |
| 1489 | * |
| 1490 | * @since 3.7.0 |