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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 |
|---|---|
| 1419 | } |
| 1420 | |
| 1421 | /** |
| 1422 | * Filters the array of themes allowed on the network. |
| 1423 | * |
| 1424 | * @since MU (3.0.0) |
| 1425 | * |
| 1426 | * @param string[] $allowed_themes An array of theme stylesheet names. |
| 1427 | */ |
| 1428 | $allowed_themes = apply_filters( 'allowed_themes', $allowed_themes ); |
| 1429 | |
| 1430 | return $allowed_themes; |
| 1431 | } |
| 1432 | |
| 1433 | /** |
| 1434 | * Returns array of stylesheet names of themes allowed on the site. |
| 1435 | * |
| 1436 | * @since 3.4.0 |
| 1437 | * |