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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 |
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1382 |
|
1383 | /** |
1384 | * Filters the list of available language codes. |
1385 | * |
1386 | * @since 4.7.0 |
1387 | * |
1388 | * @param string[] $languages An array of available language codes. |
1389 | * @param string $dir The directory where the language files were found. |
1390 | */ |
1391 | return apply_filters( 'get_available_languages', $languages, $dir ); |
1392 | } |
1393 |
|
1394 | /** |
1395 | * Gets installed translations. |
1396 | * |
1397 | * Looks in the wp-content/languages directory for translations of |
1398 | * plugins or themes. |
1399 | * |
1400 | * @since 3.7.0 |