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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 |
|---|---|
| 1683 | } |
| 1684 | |
| 1685 | /** |
| 1686 | * Filters the array of themes allowed on the network. |
| 1687 | * |
| 1688 | * @since MU (3.0.0) |
| 1689 | * |
| 1690 | * @param string[] $allowed_themes An array of theme stylesheet names. |
| 1691 | */ |
| 1692 | $allowed_themes = apply_filters( 'allowed_themes', $allowed_themes ); |
| 1693 | |
| 1694 | return $allowed_themes; |
| 1695 | } |
| 1696 | |
| 1697 | /** |
| 1698 | * Returns array of stylesheet names of themes allowed on the site. |
| 1699 | * |
| 1700 | * @since 3.4.0 |
| 1701 | * |