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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 |
|---|---|
| 1576 | } |
| 1577 | |
| 1578 | /** |
| 1579 | * Filters the array of themes allowed on the network. |
| 1580 | * |
| 1581 | * @since MU (3.0.0) |
| 1582 | * |
| 1583 | * @param string[] $allowed_themes An array of theme stylesheet names. |
| 1584 | */ |
| 1585 | $allowed_themes = apply_filters( 'allowed_themes', $allowed_themes ); |
| 1586 | |
| 1587 | return $allowed_themes; |
| 1588 | } |
| 1589 | |
| 1590 | /** |
| 1591 | * Returns array of stylesheet names of themes allowed on the site. |
| 1592 | * |
| 1593 | * @since 3.4.0 |
| 1594 | * |